Sunday, June 3, 2012

KBMX [032047]: Preliminary Local Storm Report

NWUS54 KBMX 032047
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
346 PM CDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0305 PM TSTM WND DMG 2 NE CEDRUM AREA 33.88N 87.42W
06/03/2012 WALKER AL BROADCAST MEDIA

TREE DOWN IN SARAGOSSA ALONG LANGSTON ROAD.

0312 PM TSTM WND DMG 5 SW JASPER 33.80N 87.34W
06/03/2012 WALKER AL FIRE DEPT/RESCUE

TREES DOWN ON HWY 69 NEAR DUTTON HILL ROAD.

0317 PM TSTM WND DMG 2 S JASPER 33.82N 87.27W
06/03/2012 WALKER AL FIRE DEPT/RESCUE

TREE AND POWER LINES DOWN ON SE 33RD STREET IN JASPER.


&&

$$

AG

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KPBZ [032040]: Preliminary Local Storm Report

NWUS51 KPBZ 032040
LSRPBZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
440 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0420 PM HAIL 1 W SAINT PETERSBURG 41.16N 79.67W
06/03/2012 M1.00 INCH CLARION PA TRAINED SPOTTER


&&

EVENT NUMBER PBZ1200505

$$

ASMITH

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MESO: Mesoscale Discussion 1033

ACUS11 KWNS 032039
SWOMCD
SPC MCD 032038
TXZ000-032215-

MESOSCALE DISCUSSION 1033
NWS STORM PREDICTION CENTER NORMAN OK
0338 PM CDT SUN JUN 03 2012

AREAS AFFECTED...PARTS OF FAR SWRN TX

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 032038Z - 032215Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...ISOLATED SVR STORMS WILL BE POSSIBLE INTO EARLY EVENING
ACROSS PARTS OF FAR SWRN TX. CONVECTION SHOULD LARGELY REMAIN
DISORGANIZED...AND THE ISSUANCE OF A WW IS UNLIKELY.

DISCUSSION...THE COMBINATION OF /1/ LOW-LEVEL ASCENT ASSOCIATED WITH
A N-S-ORIENTED DRYLINE NEAR WHICH DEEP BOUNDARY-LAYER CIRCULATIONS
EXIST...AND /2/ OROGRAPHIC ASCENT INVOF THE HIGHER TERRAIN OF FAR
SWRN TX...IS SUPPORTING HIGH-BASED...TOWERING CUMULUS AND ISOLATED
STORMS FROM NEAR THE DAVIS MOUNTAINS SWD TOWARD THE TX BIG BEND PER
VISIBLE SATELLITE/RADAR/LIGHTNING DATA. WITH CLOUD BASES BETWEEN 600
AND 550 MB ATOP A DEEP LAYER OF NEARLY DRY-ADIABATIC LAPSE
RATES...DCAPE VALUES OF 1400-1800 J/KG WILL SUPPORT A THREAT FOR SVR
WIND GUSTS WITH THE STRONGEST STORMS...WITH DOWNDRAFTS BEING
ENHANCED BY EVAPORATIVE COOLING PROCESSES GIVEN SFC
TEMPERATURE-DEWPOINT SPREADS AOA 40F. WHILE ONE OR TWO SMALL/WEAKLY
ORGANIZED STORM CLUSTERS COULD EVOLVE FROM THIS ACTIVITY...WEAK DEEP
SHEAR WILL GREATLY MITIGATE STORM ORGANIZATION AND THE OVERALL SVR
THREAT. WEAK NWLY/NLY MID-LEVEL FLOW...ATOP MODEST SLY LOW-LEVEL
INFLOW PER MIDLAND-ODESSA VWP DATA...WOULD SUPPORT SWD/SSEWD-MOVING
STORMS...REACHING THE INTERNATIONAL BORDER BY LATE AFTERNOON/EARLY
EVENING. STORMS SHOULD DECREASE IN INTENSITY THROUGH THE EVENING
OWING TO BOUNDARY-LAYER NOCTURNAL STABILIZATION.

..COHEN/CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MAF...

LAT...LON 31350376 31030293 30320270 29270282 28990340 29590450
30220481 31000438 31350376

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KPHI [032038]: Preliminary Local Storm Report...summary

NWUS51 KPHI 032038
LSRPHI

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
438 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0125 PM HAIL SPRING CITY 40.18N 75.55W
06/03/2012 M0.75 INCH CHESTER PA NWS EMPLOYEE

PEA TO DIME SIZE HAIL IN SPRING CITY

0130 PM HAIL BETHLEHEM TWP 40.67N 75.00W
06/03/2012 M0.50 INCH HUNTERDON NJ COCORAHS

0141 PM HAIL ANNANDALE 40.65N 74.89W
06/03/2012 E0.50 INCH HUNTERDON NJ PUBLIC

0146 PM HAIL LEBANON 40.64N 74.84W
06/03/2012 E0.75 INCH HUNTERDON NJ PUBLIC

0155 PM HAIL CLINTON 40.64N 74.91W
06/03/2012 M0.75 INCH HUNTERDON NJ TRAINED SPOTTER

PEA TO DIME SIZE HAIL LASTING ABOUT 5 MINUTES

0158 PM HAIL WHITEHOUSE STATION 40.62N 74.77W
06/03/2012 E0.88 INCH HUNTERDON NJ PUBLIC

NICKEL SIZE HAIL IN WHITEHOUSE STATION

0431 PM HAIL SCHNECKSVILLE 40.68N 75.62W
06/03/2012 M0.75 INCH LEHIGH PA TRAINED SPOTTER

DIME SIZE HAIL IN SCHNECKSVILLE


&&

EVENT NUMBER PHI1200133 PHI1200132 PHI1200137 PHI1200136 PHI1200134
PHI1200135 PHI1200138

$$

KLINE

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WATCHES: Tornado Watch Number 345

WWUS20 KWNS 032033
SEL5
SPC WW 032033
ARZ000-MOZ000-OKZ000-040400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 345
NWS STORM PREDICTION CENTER NORMAN OK
330 PM CDT SUN JUN 3 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

NORTHERN ARKANSAS
EXTREME SOUTHERN MISSOURI
EXTREME NORTHEAST OKLAHOMA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 330 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH SOUTHWEST OF
GROVE OKLAHOMA TO 30 MILES EAST NORTHEAST OF BATESVILLE ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 344...

DISCUSSION...LATEST GUIDANCE HAS SUGGESTED A MORE RAPID ONSET OF
DEEP CONVECTION ACROSS THE WATCH AREA IN THE NEXT 1-2 HOURS.
MAGNITUDE OF INSTABILITY /MLCAPE AROUND 3000 J PER KG/ WILL
CONTRIBUTE TO STOUT UPDRAFTS WHERE 30-40KT EFFECTIVE VERTICAL SHEAR
WILL CONTRIBUTE TO STORM ROTATION AND PERSISTENCE. THIS ENVIRONMENT
WILL CLEARLY SUPPORT VERY LARGE HAIL AND DAMAGING WINDS. TORNADO
POTENTIAL IS A BIT MORE SUBTLE BUT SUBSTANTIAL ENOUGH TO WARRANT A
TORNADO WATCH. THIS POTENTIAL MAY EVOLVE ALONG THE WARM FRONT
SITUATED WEST TO EAST ALONG THE CENTER OF THE WATCH AREA....SOUTH OF
THE MO BORDER. ENHANCED LOW LEVEL SHEAR ALONG AND IMMEDIATELY TO THE
NORTH OF THIS BOUNDARY IS SUFFICIENT TO RESULT IN STRONGER LOW LEVEL
STORM ROTATION AND THE CHANCE OF A TORNADIC SUPERCELL OR TWO INTO
THE EVENING BEFORE STORMS MERGE AND SPREAD EAST ALONG AND SOUTH OF
THE MO/AR BORDER.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.


...CARBIN

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MESO: Mesoscale Discussion 1032

ACUS11 KWNS 032026
SWOMCD
SPC MCD 032025
OKZ000-KSZ000-TXZ000-032200-

MESOSCALE DISCUSSION 1032
NWS STORM PREDICTION CENTER NORMAN OK
0325 PM CDT SUN JUN 03 2012

AREAS AFFECTED...ERN TX/OK PANHANDLE...NWRN OK...PORTIONS OF SWRN KS

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 032025Z - 032200Z

PROBABILITY OF WATCH ISSUANCE...80 PERCENT

SUMMARY...SEVERE THUNDERSTORMS WILL DEVELOP ALONG THE DRY LINE FROM
THE ERN TX PANHANDLE INTO PORTIONS OF SWRN KS OVER THE NEXT FEW
HOURS. WATCH WILL LIKELY BE WARRANTED FOR THIS ACTIVITY.

DISCUSSION...STRONG BOUNDARY LAYER HEATING ACROSS THE SRN HIGH
PLAINS HAS CONTRIBUTED TO NEAR-DRY ADIABATIC LOW LEVEL LAPSE RATES
WITH RESULTANT LOW LEVEL PARCELS NOW APPROACHING THEIR CONVECTIVE
TEMPERATURES. LATEST VIS IMAGERY SUPPORTS THIS WITH SCATTERED CU
DEVELOPING ALONG PRE-FRONTAL CONFLUENCE ZONE THAT CURRENTLY
STRETCHES FROM LIPSCOMB TO DONLEY COUNTIES IN THE ERN TX PANHANDLE.
THIS DEVELOPING CONVECTION WILL LIKELY DEEPEN OVER THE NEXT FEW
HOURS WITH MATURATION INTO ONE OR MORE SEVERE COMPLEXES ACROSS
WRN/NRN OK LATER THIS EVENING. THIS EVOLUTION IS POSSIBLE DUE TO A
WEAK SHORT-WAVE TROUGH THAT IS MIGRATING INTO THIS REGION AND
EXPECTED DIURNAL INCREASE IN LLJ THAT SHOULD FOCUS INTO CNTRL OK
AFTER DARK. INITIAL TSTM ACTIVITY IS EXPECTED TO BE HIGH BASED WITH
A THREAT FOR LARGE HAIL AND DAMAGING DOWNBURSTS...ESPECIALLY IF
SUPERCELL-LIKE STRUCTURES CAN EVOLVE. HOWEVER...MOISTURE DOWNSTREAM
ACROSS OK IS SUBSTANTIALLY HIGHER AND GIVEN THE SOMEWHAT STRONGER
LOW LEVEL SHEAR A TORNADO OR TWO CAN NOT BE RULED OUT.
REGARDLESS...VERY LARGE HAIL AND POTENTIALLY MORE WIDESPREAD
DAMAGING WINDS MAY BE NOTED WITH MCS ACTIVITY THIS EVENING.

..DARROW/CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OUN...DDC...LUB...AMA...

LAT...LON 35260112 37320036 37149926 34989994 34670075 35260112

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KBMX [032023]: Preliminary Local Storm Report

NWUS54 KBMX 032023
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
323 PM CDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0230 PM TSTM WND DMG 6 WSW HACKLEBURG 34.23N 87.92W
06/03/2012 MARION AL PUBLIC

LARGE TREE LIMBS DOWN SOUTHWEST OF HACKLEBURG. A MEDIUM
SIZED TREE WAS DOWN ACROSS COUNTY ROAD 167 NEAR HWY 43
NORTH. ALSO POWER LINES DOWN ON COUNTY ROAD 176.


&&

$$

AG

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KMEG [032016]: Preliminary Local Storm Report

NWUS54 KMEG 032016
LSRMEG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
316 PM CDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0130 PM FUNNEL CLOUD GLEN 34.87N 88.50W
06/03/2012 ALCORN MS TRAINED SPOTTER

FUNNEL CLOUDS REPORTED NEAR GLEN AND CORINTH. POSSIBLE
TORNADO NEAR GLEN.


&&

$$

MRM

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KGYX [032009]: Preliminary Local Storm Report

NWUS51 KGYX 032009
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
409 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0300 PM FLOOD CUMBERLAND 43.80N 70.26W
06/03/2012 CUMBERLAND ME DEPT OF HIGHWAYS

TUTTLE ROAD TO MIDDLE ROAD CLOSED


&&

EVENT NUMBER GYX1200048

$$

MC

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KGYX [032008]: Preliminary Local Storm Report

NWUS51 KGYX 032008
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
408 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0900 AM FLOOD FALMOUTH 43.73N 70.24W
06/03/2012 CUMBERLAND ME NWS EMPLOYEE

BLACKSTRAP RD CLOSED


&&

EVENT NUMBER GYX1200047

$$

MC

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KGYX [032007]: Preliminary Local Storm Report

NWUS51 KGYX 032007
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
407 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 PM FLOOD WILTON 44.59N 70.23W
06/03/2012 FRANKLIN ME DEPT OF HIGHWAYS

POND RD AT RT2 CLOSED


&&

EVENT NUMBER GYX1200046

$$

MC

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KGYX [032003]: Preliminary Local Storm Report

NWUS51 KGYX 032003
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
403 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0403 PM FLOOD WILTON 44.59N 70.23W
06/03/2012 FRANKLIN ME DEPT OF HIGHWAYS

POND RD CLOSED AT RT 2


&&

EVENT NUMBER GYX1200045

$$

MC

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KGYX [032003]: Preliminary Local Storm Report

NWUS51 KGYX 032003
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
403 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0402 PM FLOOD FARMINGTON 44.67N 70.15W
06/03/2012 FRANKLIN ME DEPT OF HIGHWAYS

MULTIPLE ROAD CLOSURES


&&

EVENT NUMBER GYX1200044

$$

MC

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KGYX [032002]: Preliminary Local Storm Report

NWUS51 KGYX 032002
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
402 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0401 PM FLOOD GREENE 44.19N 70.14W
06/03/2012 ANDROSCOGGIN ME DEPT OF HIGHWAYS

MULTIPLE ROAD CLOSURES IN GREENE


&&

EVENT NUMBER GYX1200043

$$

MC

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KGYX [032001]: Preliminary Local Storm Report

NWUS51 KGYX 032001
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
401 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 PM FLOOD MINOT 44.09N 70.32W
06/03/2012 ANDROSCOGGIN ME DEPT OF HIGHWAYS

DEATH VALLEY RD CLOSED


&&

EVENT NUMBER GYX1200042

$$

MC

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 032000
SWODY1
SPC AC 031958

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0258 PM CDT SUN JUN 03 2012

VALID 032000Z - 041200Z

...THERE IS A SLGT RISK OF SVR TSTMS EXTENDS FROM THE SRN PLAINS
ESEWD THROUGH SRN MO/MUCH OF AR TO THE GULF COAST STATES....

...AL/GA...
THE SLIGHT RISK HAS BEEN EXTENDED ESEWD ACROSS THE REST OF CENTRAL
AL INTO PARTS OF WEST CENTRAL GA. WLY LOW LEVEL WINDS ARE SPREADING
MOISTURE EWD...AND COMBINED WITH SURFACE HEATING HAVE SUPPORTED
GREATER DESTABILIZATION E OF THE 1630Z SLIGHT RISK AREA. IN
ADDITION...AN ONGOING CLUSTER OF TSTMS...SOME SEVERE...OVER FAR NERN
MS AND NWRN AL ARE BEING SUPPORTED BY AN MCV TRACKING ESEWD AND AN
ATTENDANT WARM AIR ADVECTION REGIME. TRENDS IN REGIONAL RADAR
IMAGERY INDICATED STORMS WERE BEGINNING TO BACK BUILD ON THE SWRN
PERIPHERY OF THIS COMPLEX IN MONROE COUNTY MS TO LAMAR COUNTY AL.
THESE RECENT TRENDS...AND STRENGTH OF INSTABILITY /MLCAPE 2000-3000
J PER KG/ WITHIN WSWLY INFLOW REGIME SUPPORT ADDITIONAL STORM
DEVELOPMENT WITH THIS COMPLEX. GIVEN DEGREE OF DCAPE /GREATER THAN
1000 J PER KG/ EXTENDING SEWD FROM THE ONGOING NWRN AL CLUSTER INTO
CENTRAL AL SUGGESTS AN INCREASING POTENTIAL FOR DAMAGING WINDS.
THUS...A 30 PERCENT SVR WIND PROBABILITY HAS BEEN INCLUDED WITH THIS
OUTLOOK FOR PARTS OF CENTRAL AL.

...ERN OK/NRN AR...
GIVEN DEGREE OF INSTABILITY AND LOW LEVEL AND DEEP LAYER SHEAR
RESIDING INVOF A WARM FRONT EXTENDING FROM NERN OK INTO NRN
AR...THIS OUTLOOK HAS EXTENDED THE 5 PERCENT TORNADO PROBABILITY AND
SIG HAIL POTENTIAL EWD INTO N CENTRAL AR. ADDITIONAL MESOSCALE
DETAILS FOR THIS REGION CAN BE FOUND IN MESOSCALE DISCUSSION 1030.

...REST OF THE OUTLOOK...
1630Z FORECAST REMAINS ON TRACK FOR THE REST OF THE CONUS.

..PETERS.. 06/03/2012

.PREV DISCUSSION... /ISSUED 1129 AM CDT SUN JUN 03 2012/

...SYNOPSIS...
A DEEP UPPER CYCLONE OVER SRN ONTARIO WILL BEGIN TO TRANSITION INTO
MORE OF AN OPEN WAVE TROUGH WHILE SPREADING SEWD ACROSS THE ERN
GREAT LAKES. A BROAD BELT OF MODERATE TO STRONG NWLY MID LEVEL FLOW
EXISTS ON THE SWRN FLANK OF THIS LARGE SCALE TROUGH WITH 40-70KT
500MB WINDS EXTENDING FROM UPPER MS VALLEY TO THE SOUTHEAST. WHILE A
LARGE SCALE RIDGE AXIS EXISTS ACROSS MUCH OF THE CNTRL U.S. EAST OF
THE ROCKIES...MINOR PERTURBATIONS...SOME CONVECTIVELY INDUCED AND
MAINTAINED...ARE EMBEDDED WITHIN THE ARC OF ANTICYCLONIC LARGE SCALE
FLOW OVER THIS REGION OF THE COUNTRY. A COMPLEX OF THESE SMALLER
SCALE IMPULSES...ACCOMPANIED BY SLIGHTLY STRONGER MID LEVEL FLOW
ACROSS THE PLAINS THIS MORNING...WILL CONTINUE TO PLAY SOME ROLE IN
TSTM DEVELOPMENT AND COVERAGE LATER TODAY FROM THE SRN PLAINS ACROSS
THE MS VALLEY TO THE SOUTHEAST.

UPPER RIDGING IS FORECAST TO STRENGTHEN OVER THE FOUR CORNERS AREA
THROUGH THE PERIOD AS A STRONG TROUGH MOVES TOWARD THE WEST COAST BY
EARLY MONDAY.

...MO/AR TO MS/AL...
OVERALL FORECAST UNCERTAINTY REMAINS RATHER HIGH OVER THE ENTIRE
COUNTRY THIS PERIOD AS SHOWN IN THE WIDE RANGE OF CHANGES TO THE
OUTLOOK OVER THE PAST 72 HOURS. THIS IS DUE IN PART TO STORM SCALE
AND MESOSCALE INFLUENCES ON BOTH THE BOUNDARY LAYER AND UPPER LEVELS
THAT ARE NOT ALWAYS WELL DEPICTED OR HANDLED BY TRADITIONAL
NUMERICAL MODELS.

LATEST UA AND SURFACE ANALYSIS REVEAL A SHORT WAVE TROUGH/MCV
DRIVING A SMALL CLUSTER OF CONVECTION ACROSS NERN AR. AIRMASS
UPSTREAM FROM THESE WEAK TSTMS WILL CONTINUE TO DESTABILIZE BENEATH
CAPPING INVERSION THAT WEAKENS WITH EWD EXTENT. VERY WARM BOUNDARY
LAYER AND WEAK BUT PERSISTENT ISENTROPIC ASCENT FROM THE MS RIVER
EAST ACROSS MS AND AL MAY CONTRIBUTE TO AN INCREASING CHANCE FOR
SURFACE-BASED TSTM DEVELOPMENT LATER THIS AFTERNOON. THESE AREAS
RESIDE ON THE SWRN FLANK OF STRONGER WNWLY FLOW ALOFT AND BENEATH
THE RIGHT ENTRANCE REGION OF MID LEVEL JET SITUATED ACROSS THE CNTRL
APPALACHIANS AND EAST COAST. ANY DEEP CONVECTION DEVELOPING IN THIS
REGIME WILL EXIST AMIDST SUFFICIENT SHEAR AND FLOW TO SUPPORT AN
INCREASING CHANCE FOR MULTICELLS AND PERHAPS EVEN SUPERCELLS WITH
ATTENDANT THREATS OF HAIL/WIND INTO THE EVENING.

IN ADDITION TO THE POSSIBILITY OF THE ABOVE SCENARIO...LATEST NAM
SUGGESTS ANOTHER UPSTREAM MCS DEVELOPING FROM THE MO BOOTHEEL ACROSS
THE MS RIVER LATE TONIGHT. THIS COMPLEX IS FORECAST TO SPREAD SEWD
ACROSS PARTS OF THE TN VALLEY THROUGH EARLY MONDAY AND COULD ALSO
BRING WITH IT ANOTHER ROUND OF STRONG WINDS AND PERHAPS SOME HAIL
EVENTS.

GIVEN THESE PROSPECTS FOR STRONG TO SEVERE STORMS THROUGHOUT THE
REST OF THIS FORECAST PERIOD...THE SLGT RISK AREA HAS BEEN EXPANDED
EAST ACROSS THE MS RIVER AND INTO THE TN VALLEY.

...SRN PLAINS...
REMNANTS OF OVERNIGHT MCS WAS DISSIPATING WHILE SPREADING INTO MO/AR
LATE THIS MORNING. IN THE WAKE OF THIS DECAYING CONVECTIVE SYSTEM
THERE IS A WEAK SHORT-WAVE TROUGH OBSERVED ACROSS THE HIGH PLAINS OF
ERN CO/NERN NM THAT IS EXPECTED TO PROGRESS ESEWD TOWARD WRN OK BY
04/00Z. CONSIDERABLE LEFT-OVER MID LEVEL CONVECTIVE DEBRIS IS NOTED
LATE THIS MORNING ACROSS MUCH OF KS AND EVEN ACROSS PARTS OF NRN OK.
HOWEVER...STRONG BOUNDARY LAYER HEATING IS UNDERWAY ACROSS THE HIGH
PLAINS FROM SERN CO INTO THE TX PANHANDLE. ALTHOUGH A SUBSTANTIAL
EML HAS OVERSPREAD THE SRN HIGH PLAINS...IT APPEARS BOUNDARY LAYER
HEATING WILL BE INTENSE ENOUGH THAT CONVECTIVE TEMPERATURES WILL BE
BREACHED ALONG THE DRY LINE ACROSS THE ERN OK/TX PANHANDLE INTO
PORTIONS OF NWRN TX LATER THIS AFTERNOON.

THERE IS INCREASING CONFIDENCE THAT A CLUSTER OF STRONG TO SEVERE
THUNDERSTORMS WILL EVOLVE ALONG THE SRN INFLUENCE OF THE
AFOREMENTIONED CLOUDINESS ACROSS KS SUCH THAT AN MCS MAY EVOLVE OVER
NWRN OK THIS EVENING. LATEST MODEL GUIDANCE SUGGESTS THIS ACTIVITY
WILL DEVELOP WITHIN AN INCREASINGLY UNSTABLE AIR MASS CHARACTERIZED
BY SBCAPE IN EXCESS OF 3000 J/KG AND DEEP LAYER SHEAR MORE THAN
ADEQUATE TO SUPPORT AN UPSCALE EVOLVING MCS AFTER DARK. FOR THIS
REASON HAVE INCREASED THE PROBABILITY FOR SEVERE HAIL/WIND...AND
INCLUDE THE RISK OF SIG HAIL /2 INCHES OR GREATER/ ACROSS NWRN/CNRTL
OK WITH BOTH INITIAL SUPERCELL STRUCTURES AND STORM MERGERS. HAVE
ALSO SHIFTED 5 PCT TOR PROBS SWD TO BETTER REFLECT THE MOST LIKELY
POSITION OF WEAK SFC BOUNDARY THAT COULD AID IN THE DEVELOPMENT OF A
COUPLE OF TORNADOES. LATEST THINKING IS SEVERE MCS MAY SPREAD ESEWD
ACROSS MUCH OF NRN OK THIS EVENING...POSSIBLY EXTENDING INTO
PORTIONS OF CNTRL OK AS LLJ INCREASES INTO THIS PART OF THE STATE
AFTER DARK.

...CNTRL/NRN ROCKIES AND THE ADJACENT HIGH PLAINS...
MID/UPPER FLOW WILL CONTINUE TO BUCKLE AS A RIDGE AMPLIFIES OVER THE
NRN ROCKIES/HIGH PLAINS IN RESPONSE TO A DIGGING ERN PACIFIC TROUGH.
WHILE THIS LARGE-SCALE PATTERN WILL NOT BE AS FAVORABLE FOR SVR
STORMS TODAY AS IT WAS YESTERDAY...SUFFICIENTLY COOL MID-LEVEL
TEMPERATURES WILL SUPPORT A BROAD AREA OF STEEP LAPSE RATES ATOP THE
WRN FRINGES OF THE GULF OF MEXICO LOW-LEVEL MOISTURE PLUME. THIS
WILL YIELD MARGINAL DESTABILIZATION FROM SWRN/S-CNTRL MT SWD ACROSS
THE CNTRL ROCKIES/HIGH PLAINS.

WITH OROGRAPHIC ASCENT INCREASING THIS AFTERNOON DUE TO DIABATIC
HEATING...ISOLATED TO SCATTERED STORMS SHOULD DEVELOP OVER THE
ROCKIES AND BE STEERED EWD/SEWD OVER THE ADJACENT HIGH PLAINS.
ISOLATED INSTANCES OF SVR HAIL WILL BE THE GREATEST CONCERN WITH
THESE STORMS...PARTICULARLY ACROSS PARTS OF SWRN/S-CNTRL MT WHICH
WILL BE IN CLOSER PROXIMITY TO THE ZONE OF STRONGER DEEP SHEAR
ATTENDANT TO THE POLAR STREAM OVER THE NRN FRINGES OF THE AMPLIFYING
UPPER RIDGE. ONE OR TWO STORM CLUSTERS COULD EVOLVE FROM THE MT
ACTIVITY AND SHIFT EWD INTO THE EARLY EVENING. THE OVERALL SVR
THREAT IS EXPECTED TO DIMINISH ACROSS THE ENTIRE AREA THROUGH THE
EVENING GIVEN BOUNDARY LAYER STABILIZATION AND THE LACK OF STRONGER
DEEP FORCING FOR ASCENT.

...NORTHEAST/MID ATLANTIC...
COLD POOL ALOFT ASSOCIATED WITH THE DEEP LOW/TROUGH OVER ERN GREAT
LAKES WILL CONTRIBUTE TO AN INCREASE IN LOW TOPPED SHOWER AND TSTM
DEVELOPMENT FROM SERN NY ACROSS PA/NJ AND PARTS OF THE MID ATLANTIC
THROUGH THE AFTERNOON. WHILE BOUNDARY LAYER WARMING SHOULD
CONTRIBUTE TO WEAK DESTABILIZATION...MEAGER LOW LEVEL MOISTURE AND
LACK OF STRONGER LOW LEVEL CONVERGENCE ARE EXPECTED TO LIMIT OVERALL
CONVECTIVE VIGOR. NONETHELESS...SHOWERS/STORMS COULD PRODUCE LOCALLY
GUSTY WINDS AND A ISOLATED STRONGER CELLS COULD GENERATE COPIOUS
AMOUNTS OF SMALL HAIL.

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KGYX [032000]: Preliminary Local Storm Report

NWUS51 KGYX 032000
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
400 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 PM FLOOD TURNER 44.26N 70.26W
06/03/2012 ANDROSCOGGIN ME BROADCAST MEDIA

WILSON HILL RD WASHED OUT


&&

EVENT NUMBER GYX1200041

$$

MC

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KGYX [032000]: Preliminary Local Storm Report

NWUS51 KGYX 032000
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
400 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0359 PM FLOOD WATERFORD 44.18N 70.72W
06/03/2012 OXFORD ME BROADCAST MEDIA

BRIDGE CLOSED AT RT 118


&&

EVENT NUMBER GYX1200040

$$

MC

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MESO: Mesoscale Discussion 1031

ACUS11 KWNS 031942
SWOMCD
SPC MCD 031942
WYZ000-MTZ000-IDZ000-032145-

MESOSCALE DISCUSSION 1031
NWS STORM PREDICTION CENTER NORMAN OK
0242 PM CDT SUN JUN 03 2012

AREAS AFFECTED...PARTS OF SRN MT...NRN WY...FAR ERN ID

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 031942Z - 032145Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...A FEW STORMS MAY CONTAIN SMALL HAIL AND GUSTY WINDS THIS
AFTERNOON. A MARGINALLY SVR STORM OR TWO WILL BE POSSIBLE...AND THE
ISSUANCE OF A WW IS UNLIKELY.

DISCUSSION...VISIBLE SATELLITE IMAGERY OVER THE NRN ROCKIES
INDICATES A GENERALLY FLAT CUMULUS FIELD DEVELOPING THUS FAR THIS
AFTERNOON...AS MID-LEVEL HEIGHT RISES OCCUR IN ASSOCIATION WITH AN
AMPLIFYING RIDGE ALOFT. HOWEVER...CONTINUED INSOLATION/DIABATIC
HEATING DURING THE NEXT COUPLE OF HOURS SHOULD AID IN THE REMOVAL OF
ANTECEDENT CONVECTIVE INHIBITION SUCH THAT OROGRAPHIC ASCENT COULD
AID IN THE GENERATION OF ISOLATED TO PERHAPS SCATTERED THUNDERSTORMS
BETWEEN 2030Z AND 2200Z. CONVECTIVE INITIATION WOULD BE MOST LIKELY
OVER THE MOUNTAINS OF SW MT SWD INTO WRN WY AND ADJACENT SECTIONS OF
FAR ERN ID INCLUDING THE TETON AND WIND RIVER MOUNTAINS. ONCE STORMS
FORM...THEY WILL BE STEERED EWD/ESEWD BY A ZONE OF ENHANCED
MID/UPPER FLOW ACCOMPANYING THE POLAR JET. STORMS MAY SHIFT
EWD/ESEWD ACROSS THE LOWER ELEVATIONS OF SRN MT AND NRN WY INTO THE
EARLY EVENING.

DESPITE THE ANTICIPATION OF ONLY MARGINAL INSTABILITY...THE PRESENCE
OF 35-45 KT OF EFFECTIVE BULK SHEAR WILL SUPPORT OCCASIONALLY
ORGANIZED STORM STRUCTURES INCLUDING PERHAPS ONE OR TWO WEAK
SUPERCELLS. SMALL HAIL AND STRONG WIND GUSTS WILL BE POSSIBLE...AND
ONE OR TWO MARGINALLY SVR STORMS CANNOT BE RULED OUT. A GREATER SVR
THREAT WILL BE MITIGATED BY THE ABSENCE OF RICHER LOW-LEVEL
MOISTURE/GREATER BUOYANCY. THE OVERALL SVR THREAT IS EXPECTED TO
DIMINISH THROUGH THE EVENING GIVEN BOUNDARY LAYER STABILIZATION AND
THE LACK OF DEEP FORCING FOR ASCENT.

..COHEN/CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...UNR...CYS...BYZ...RIW...TFX...PIH...

LAT...LON 44810556 43730501 43220539 42820678 42610822 42840977
43741094 44311120 44471164 44701213 44961229 45531210
46261125 46690961 46520799 46150692 44810556

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KGSP [031936]: Preliminary Local Storm Report

NWUS52 KGSP 031936
LSRGSP

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
336 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0540 PM HAIL 4 NNW BANNER ELK 36.22N 81.91W
04/30/2012 E0.75 INCH AVERY NC CO-OP OBSERVER

DIME SIZED HAIL REPORTED BY COOP OBSERVER AT BEECH
MOUNTAIN. TIME BASED ON RADAR.


&&

$$

OUTLAW

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MESO: Mesoscale Discussion 1030

ACUS11 KWNS 031927
SWOMCD
SPC MCD 031927
ARZ000-MSZ000-OKZ000-032130-

MESOSCALE DISCUSSION 1030
NWS STORM PREDICTION CENTER NORMAN OK
0227 PM CDT SUN JUN 03 2012

AREAS AFFECTED...OK...AR

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 031927Z - 032130Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...AREAS FROM EXTREME NERN OK ACROSS NRN AR WILL CONTINUE TO
BE MONITORED FOR TSTM DEVELOPMENT THIS AFTERNOON. A WATCH MAY BE
NEEDED IN THESE AREAS IN THE NEXT 1-2 HOURS.

DISCUSSION...ABUNDANT SURFACE HEATING OF A VERY MOIST AIRMASS ACROSS
ERN OK AND MUCH OF AR HAS RESULTED IN THE DEVELOPMENT OF STRONG TO
LOCALLY EXTREME INSTABILITY THIS AFTERNOON. THIS WARM SECTOR AIRMASS
IS CHARACTERIZED BY MLCAPE OF AT LEAST 3000 J/KG ALONG AND SOUTH OF
A WARM FRONT APPROXIMATELY SITUATED FROM MKO TO FVY TO S OF MEM. THE
WARM FRONT HAS BEEN LOCALLY REINFORCED ACROSS NRN AR BY DIFFERENTIAL
HEATING ALONG SRN EDGE OF CONVECTIVE DEBRIS IN THE WAKE OF MORNING
MCS OVER SRN MO. DESPITE PERSISTENT LIFT ACROSS THE FRONTAL
ZONE...AND THE POSSIBILITY OF SOME LARGER SCALE/DEEP-LAYER ASCENT
BRUSHING THIS AREA FROM THE MCV ACROSS MO...MID LEVEL WARMING NEAR
AND SOUTH OF THE WARM FRONT MAY CONTINUE TO INHIBIT MORE WIDESPREAD
STORM INITIATION THIS AFTERNOON. MIXED SIGNALS IN MODEL GUIDANCE
ALSO INTRODUCE UNCERTAINTY REGARDING TSTM DEVELOPMENT AND COVERAGE.

IF DEEP CONVECTION CAN TAKE HOLD WITHIN THE WARM SECTOR...MAGNITUDE
OF AVAILABLE INSTABILITY COULD ALLOW FOR POTENTIALLY EXPLOSIVE
DEVELOPMENT/GROWTH WITH SUBSEQUENT INCREASE IN DOWNBURST WIND AND
LARGE HAIL THREATS. ANY STORMS DEVELOPING NEAR AND NORTH OF THE WARM
FRONT MAY BE SOMEWHAT REMOVED FROM STRONGER INSTABILITY BUT WILL
DEVELOP ON THE EDGE OF DEEP-LAYER SHEAR SUPPORTIVE OF UPDRAFT
PERSISTENCE AND ROTATION. IN BETWEEN THESE TWO REGIMES...IMMEDIATELY
ALONG THE FRONTAL ZONE...STORM SCALE ENVIRONMENT COULD EVOLVE TO
SUPPORT STRONGER LOW LEVEL SHEAR. ANY STORMS/CELLS THAT CAN TRACK
PREFERENTIALLY ALONG THE BOUNDARY COULD DEVELOP STRONGER
ROTATION/MESOCYCLONES WITH THE CHANCE FOR AN EVOLVING TORNADO THREAT
WITH TIME.

..CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MEG...LZK...TSA...

LAT...LON 34509104 35019241 35149364 35739542 36069516 36399402
36419217 36369164 36049094 35699051 35269039 34739051
34509104

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KGYX [031921]: Preliminary Local Storm Report

NWUS51 KGYX 031921
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
321 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1034 AM FLOOD LISBON FALLS 44.00N 70.06W
06/03/2012 ANDROSCOGGIN ME DEPT OF HIGHWAYS

RT 125 BETWEEN RT 136 AND RT 9


&&

EVENT NUMBER GYX1200039

$$

MC

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KGYX [031920]: Preliminary Local Storm Report

NWUS51 KGYX 031920
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
320 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0251 PM FLOOD GREENWOOD 44.32N 70.65W
06/03/2012 OXFORD ME DEPT OF HIGHWAYS

GREENWOOD RD FLOODED


&&

EVENT NUMBER GYX1200038

$$

MC

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KGYX [031919]: Preliminary Local Storm Report

NWUS51 KGYX 031919
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
319 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1023 AM FLOOD RUMFORD 44.55N 70.55W
06/03/2012 OXFORD ME DEPT OF HIGHWAYS

MILTON RD BRIDGE FLOODED


&&

EVENT NUMBER GYX1200037

$$

MC

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KGYX [031917]: Preliminary Local Storm Report

NWUS51 KGYX 031917
LSRGYX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
317 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0700 AM FLOOD SANFORD 43.44N 70.77W
06/03/2012 YORK ME DEPT OF HIGHWAYS

RT 202 BETWEEN ME 4A AND ME4


&&

EVENT NUMBER GYX1200036

$$

MC

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KDDC [031908]: Preliminary Local Storm Report...summary

NWUS53 KDDC 031908
LSRDDC

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DODGE CITY KS
208 PM CDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0640 PM TSTM WND GST 2 WNW COOLIDGE 38.05N 102.04W
06/02/2012 E50.00 MPH HAMILTON KS LAW ENFORCEMENT

0655 PM TSTM WND GST 19 NW SYRACUSE 38.18N 102.00W
06/02/2012 E60.00 MPH HAMILTON KS PUBLIC

0809 PM HAIL 10 W HUGOTON 37.18N 101.53W
06/02/2012 M1.25 INCH STEVENS KS STORM CHASER


&&

$$

KSUGDEN

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MESO: Mesoscale Discussion 1029

ACUS11 KWNS 031904
SWOMCD
SPC MCD 031903
COZ000-NMZ000-NEZ000-WYZ000-032130-

MESOSCALE DISCUSSION 1029
NWS STORM PREDICTION CENTER NORMAN OK
0203 PM CDT SUN JUN 03 2012

AREAS AFFECTED...PORTIONS OF CO...NRN NM...SERN WY...A SMALL PART OF
THE WRN NEB PANHANDLE

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 031903Z - 032130Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...A FEW STORMS MAY CONTAIN GUSTY WINDS/SMALL HAIL THIS
AFTERNOON...AND A MARGINALLY SVR STORM CANNOT BE RULED OUT. THE
ISSUANCE OF A WW IS UNLIKELY.

DISCUSSION...SFC WIND OBSERVATIONS IMMEDIATELY EAST OF THE FRONT
RANGE OF THE ROCKIES IN CO AND NM HAVE RECENTLY BECOME DECIDEDLY
ESELY/SELY...INDICATIVE OF THE UPSLOPE BRANCHES OF
OROGRAPHICALLY-INDUCED MESOSCALE CIRCULATIONS DEVELOPING IN RESPONSE
TO DIURNAL/DIABATIC HEATING. TOWERING CUMULUS AND ISOLATED
SHOWERS/STORMS HAVE ALREADY DEVELOPED OVER THE MOUNTAINS PER VISIBLE
SATELLITE/RADAR/LIGHTNING DATA. WITH CONTINUED HEATING...STEEPENING
OF LAPSE RATES...AND INTENSIFICATION OF OROGRAPHIC
CIRCULATIONS...CONVECTION WILL CONTINUE TO DEEPEN/MODESTLY
STRENGTHEN INTO THE AFTERNOON. MARGINAL INSTABILITY WITH MLCAPE
VALUES OF 200-600 J/KG WILL BE SUPPORTED BY THE PRESENCE OF STEEP
LAPSE RATES -- E.G. 8.8 C/KM WITHIN THE 700-500 MB LAYER PER
DENVER/BOULDER CO 12Z RAOB -- ATOP VERY MODEST LOW-LEVEL MOISTURE.
ALSO...THE AREA IS DISPLACED TO THE SOUTH OF THE ZONE OF STRONGER
WLYS/DEEP SHEAR...WHICH WILL MITIGATE STORM ORGANIZATION/LONGEVITY.
REGARDLESS...ISOLATED PULSE STORMS WITH SMALL HAIL AND GUSTY WINDS
WILL BE POSSIBLE. WHILE A MARGINALLY SVR STORM CANNOT BE RULED
OUT...THE SVR THREAT WILL BE MITIGATED BY THE ABSENCE OF RICHER
LOW-LEVEL MOISTURE/GREATER BUOYANCY AND STRONGER SHEAR.

AS STORMS DEVELOP OVER THE MOUNTAINS...THEY MAY STRUGGLE TO MOVE
SUBSTANTIALLY OUT OVER THE ADJACENT HIGH PLAINS OWING TO THE
MERIDIONAL -- I.E. FRONT-RANGE-PARALLEL -- COMPONENT OF THE
CLOUD-LAYER FLOW. AN EXCEPTION WILL EXIST ACROSS SERN WY AND THE WRN
NEB PANHANDLE WHERE THE ZONAL -- I.E. FRONT-RANGE-ORTHOGONAL --
COMPONENT OF THE CLOUD-LAYER FLOW WILL BE RELATIVELY STRONGER
COMPARED TO THAT ELSEWHERE. STORMS WILL DIMINISH IN NUMBER/INTENSITY
AS NOCTURNAL STABILIZATION COMMENCES THIS EVENING.

..COHEN/CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...PUB...BOU...CYS...ABQ...RIW...GJT...

LAT...LON 40520689 42370737 42940600 42940488 42690404 42150351
41380352 39870353 37870343 36760342 35860368 35530412
35420490 35720588 36640652 38610679 40520689

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KPHI [031849]: Preliminary Local Storm Report...summary

NWUS51 KPHI 031849
LSRPHI

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
248 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0125 PM HAIL SPRING CITY 40.18N 75.55W
06/03/2012 M0.75 INCH CHESTER PA NWS EMPLOYEE

PEA TO DIME SIZE HAIL IN SPRING CITY

0130 PM HAIL BETHLEHEM TWP 40.67N 75.00W
06/03/2012 M0.50 INCH HUNTERDON NJ COCORAHS

0141 PM HAIL ANNANDALE 40.65N 74.89W
06/03/2012 E0.50 INCH HUNTERDON NJ PUBLIC

0146 PM HAIL LEBANON 40.64N 74.84W
06/03/2012 E0.75 INCH HUNTERDON NJ PUBLIC

0155 PM HAIL CLINTON 40.64N 74.91W
06/03/2012 M0.75 INCH HUNTERDON NJ TRAINED SPOTTER

PEA TO DIME SIZE HAIL LASTING ABOUT 5 MINUTES

0158 PM HAIL WHITEHOUSE STATION 40.62N 74.77W
06/03/2012 E0.88 INCH HUNTERDON NJ PUBLIC

NICKEL SIZE HAIL IN WHITEHOUSE STATION


&&

EVENT NUMBER PHI1200133 PHI1200132 PHI1200137 PHI1200136 PHI1200134
PHI1200135

$$

KLINE

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KPBZ [031839]: Preliminary Local Storm Report

NWUS51 KPBZ 031839
LSRPBZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
239 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0159 PM HAIL NEW CASTLE 41.00N 80.35W
06/03/2012 M1.00 INCH LAWRENCE PA PUBLIC


&&

EVENT NUMBER PBZ1200504

$$

RG

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KPHI [031833]: Preliminary Local Storm Report...summary

NWUS51 KPHI 031833
LSRPHI

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
233 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0125 PM HAIL SPRING CITY 40.18N 75.55W
06/03/2012 M0.75 INCH CHESTER PA NWS EMPLOYEE

PEA TO DIME SIZE HAIL IN SPRING CITY

0130 PM HAIL BETHLEHEM TWP 40.67N 75.00W
06/03/2012 M0.50 INCH HUNTERDON NJ COCORAHS

0155 PM HAIL CLINTON 40.64N 74.91W
06/03/2012 M0.75 INCH HUNTERDON NJ TRAINED SPOTTER

PEA TO DIME SIZE HAIL LASTING ABOUT 5 MINUTES


&&

EVENT NUMBER PHI1200133 PHI1200132 PHI1200134

$$

KLINE

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KPBZ [031828]: Preliminary Local Storm Report...summary

NWUS51 KPBZ 031828
LSRPBZ

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
228 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0140 PM HAIL NEW CASTLE 40.99N 80.29W
06/03/2012 U0.75 INCH LAWRENCE PA PUBLIC

EVENT OCCURRED BETWEEN 125 PM 06/03/2012 AND 140 PM
06/03/2012

0148 PM HAIL NEW CASTLE 41.05N 80.34W
06/03/2012 U0.25 INCH LAWRENCE PA PUBLIC

EVENT OCCURRED BETWEEN 133 PM 06/03/2012 AND 148 PM
06/03/2012

0155 PM HAIL NEW CASTLE 40.99N 80.29W
06/03/2012 U0.75 INCH LAWRENCE PA PUBLIC

EVENT OCCURRED BETWEEN 140 PM 06/03/2012 AND 155 PM
06/03/2012

0158 PM HAIL NEW BEDFORD 41.10N 80.51W
06/03/2012 U0.75 INCH LAWRENCE PA PUBLIC

EVENT OCCURRED BETWEEN 143 PM 06/03/2012 AND 158 PM
06/03/2012

0202 PM HAIL SLIPPERY ROCK 41.03N 80.05W
06/03/2012 U0.50 INCH BUTLER PA PUBLIC

EVENT OCCURRED BETWEEN 147 PM 06/03/2012 AND 202 PM
06/03/2012

0206 PM HAIL WEST SUNBURY 41.02N 79.88W
06/03/2012 U0.25 INCH BUTLER PA PUBLIC

EVENT OCCURRED BETWEEN 151 PM 06/03/2012 AND 206 PM
06/03/2012

0211 PM HAIL MERCER 41.23N 80.23W
06/03/2012 U0.25 INCH MERCER PA PUBLIC

EVENT OCCURRED BETWEEN 156 PM 06/03/2012 AND 211 PM
06/03/2012

0212 PM HAIL SLIPPERY ROCK 41.03N 80.05W
06/03/2012 U0.88 INCH BUTLER PA PUBLIC

EVENT OCCURRED BETWEEN 157 PM 06/03/2012 AND 212 PM
06/03/2012

0213 PM HAIL WEST SUNBURY 41.02N 79.88W
06/03/2012 U0.50 INCH BUTLER PA PUBLIC

EVENT OCCURRED BETWEEN 158 PM 06/03/2012 AND 213 PM
06/03/2012


&&

EVENT NUMBER PBZ0000000 PBZ0000000 PBZ0000000 PBZ0000000 PBZ0000000
PBZ0000000 PBZ0000000 PBZ0000000 PBZ0000000

$$



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WATCHES: Severe Thunderstorm Watch Number 344

WWUS20 KWNS 031827
SEL4
SPC WW 031827
ALZ000-MSZ000-040200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 344
NWS STORM PREDICTION CENTER NORMAN OK
130 PM CDT SUN JUN 3 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

NORTHERN ALABAMA
EXTREME NORTHEAST MISSISSIPPI

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 130 PM UNTIL 900
PM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTHWEST
OF MUSCLE SHOALS ALABAMA TO 20 MILES EAST OF ANNISTON ALABAMA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...SCATTERED STRONG TO SEVERE STORMS ARE EXPECTED TO
INCREASE IN BOTH COVERAGE AND INTENSITY ALONG A WEAK WARM FRONTAL
ZONE DRAPED OVER NRN MS/AL. LIFT ALONG/ACROSS THIS BOUNDARY IS AIDED
BY A 20-30KT WLY LOW LEVEL JET AND MODEST 30KT NWLY FLOW AT MID
LEVELS WILL CONTRIBUTE TO SUFFICIENT SHEAR TO MAINTAIN UPDRAFT
ORGANIZATION AND PERSISTENCE. AIRMASS ALONG AND SOUTH OF THE
BOUNDARY IS VERY UNSTABLE ACROSS MS BUT LESS SO TO THE NORTH OF THE
BOUNDARY...OVER NRN AL. HOWEVER...LATEST SATL IMAGERY INDICATES THAT
STRONG HEATING SHOULD CONTINUE ACROSS NRN AL IN ADVANCE OF THE
ONGOING CONVECTION AND ADDITIONAL CELLS MAY DEVELOP ALONG THE FRONT
AND MOVE INTO AL THROUGH THE AFTERNOON. SOMEWHAT DRIER BOUNDARY
LAYER IN THIS REGION MAY SUPPORT DOWNBURST WIND POTENTIAL. IN
ADDITION TO LOCALLY STRONG DOWNBURST WINDS...LARGE HAIL IS POSSIBLE
WITH ANY OF THE PERSISTENT ROTATING STORMS GIVEN MAGNITUDE OF
AVAILABLE INSTABILITY TO THIS DEVELOPING CONVECTION.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29035.


...CARBIN

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MESO: Mesoscale Discussion 1028

ACUS11 KWNS 031812
SWOMCD
SPC MCD 031811
ALZ000-MSZ000-031915-

MESOSCALE DISCUSSION 1028
NWS STORM PREDICTION CENTER NORMAN OK
0111 PM CDT SUN JUN 03 2012

AREAS AFFECTED...MS...AL

CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY

VALID 031811Z - 031915Z

PROBABILITY OF WATCH ISSUANCE...80 PERCENT

SUMMARY...CHANCES ARE INCREASING THAT SEVERE STORMS WITH HAIL AND
HIGH WINDS WILL SPREAD EAST FROM NRN MS INTO PARTS OF NRN/CNTRL AL
THROUGH THE AFTERNOON. A SEVERE THUNDERSTORM WATCH WILL LIKELY BE
NEEDED AHEAD OF THIS DEVELOPMENT.

DISCUSSION...SCATTERED STRONG TO SEVERE STORMS ARE EXPECTED TO
INCREASE IN BOTH COVERAGE AND INTENSITY ALONG A WEAK WARM FRONTAL
ZONE DRAPED OVER NRN MS/AL. LIFT ALONG/ACROSS THIS BOUNDARY IS AIDED
BY A 20-30KT WLY LOW LEVEL JET AND MODEST 30KT NWLY FLOW AT MID
LEVELS WILL CONTRIBUTE TO SUFFICIENT SHEAR TO MAINTAIN UPDRAFT
ORGANIZATION AND PERSISTENCE. AIRMASS ALONG AND SOUTH OF THE
BOUNDARY IS VERY UNSTABLE ACROSS MS BUT LESS SO TO THE NORTH OF THE
BOUNDARY...OVER NRN AL. HOWEVER...LATEST SATL IMAGERY INDICATES THAT
STRONG HEATING SHOULD CONTINUE ACROSS NRN AL IN ADVANCE OF THE
ONGOING CONVECTION AND ADDITIONAL CELLS MAY DEVELOP ALONG THE FRONT
AND MOVE INTO AL THROUGH THE AFTERNOON. SOMEWHAT DRIER BOUNDARY
LAYER IN THIS REGION MAY SUPPORT DOWNBURST WIND POTENTIAL. IN
ADDITION TO LOCALLY STRONG DOWNBURST WINDS...LARGE HAIL IS POSSIBLE
WITH ANY OF THE PERSISTENT ROTATING STORMS GIVEN MAGNITUDE OF
AVAILABLE INSTABILITY TO THIS DEVELOPING CONVECTION.

..CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...BMX...HUN...MEG...JAN...

LAT...LON 33128733 33358842 33888891 34328894 34828877 34928794
34628617 34198549 33308564 32908624 33128733

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KVEF [031801]: Preliminary Local Storm Report...summary

NWUS55 KVEF 031801
LSRVEF

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAS VEGAS NV
1101 AM PDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0557 PM NON-TSTM WND GST 1 N LONE PINE 36.60N 118.07W
06/01/2012 E55.00 MPH INYO CA TRAINED SPOTTER

A SPOTTER ESTIMATED GUSTS OF AT LEAST 55 MPH IN LONE PINE
ASSOCIATED WITH OUTFLOW FROM A HIGH BASED SHOWER OVER MT
WHITNEY.

0800 PM LIGHTNING 7 NNE EAGLE VALLEY 38.12N 114.13W
06/01/2012 LINCOLN NV OTHER FEDERAL

LIGHTNING STARTED A WILDFIRE ABOUT 25 MILES NORTHEAST OF
CALIENTE. OVER 5000 ACRES WERE BURNED AS OF SUNDAY
MORNING. MAINLY PINYON PINES...JUNIPER...SAGEBRUSH AND
GRASS VEGETATION WAS REPORTED TO HAVE BURNED.


&&
ISOLATED HIGH BASED CONVECTION DEVELOPED ACROSS THE SOUTHERN GREAT
BASIN ON FRIDAY AFTERNOON AND EVENING.
$$

STACHELSKI

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KKEY [031756]: Preliminary Local Storm Report

NWUS52 KKEY 031756
LSRKEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
156 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0143 PM WATER SPOUT 2 SE MARATHON 24.69N 81.06W
06/03/2012 GMZ043 FL NWS EMPLOYEE

AN OFF DUTY NWS EMPLOYEE...AND A TRAINED WEATHER
SPOTTER...REPORTED A WATERSPOUT JUST SOUTHEAST OF THE
WEST END OF MARATHON. THE TRAINED SPOTTER PROCEEDED ON
FOOT TO GET A BETTER VIEW OF THE BASE AND SAW A SPRAY
RING. BOTH DESCRIBED THE FUNNEL AS THIN.


&&

$$

CLR

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KPHI [031746]: Preliminary Local Storm Report...summary

NWUS51 KPHI 031746
LSRPHI

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
145 PM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0125 PM HAIL SPRING CITY 40.18N 75.55W
06/03/2012 M0.75 INCH CHESTER PA NWS EMPLOYEE

PEA TO DIME SIZE HAIL IN SPRING CITY

0130 PM HAIL BETHLEHEM TWP 40.67N 75.00W
06/03/2012 M0.50 INCH HUNTERDON NJ COCORAHS


&&

EVENT NUMBER PHI1200133 PHI1200132

$$

KLINE

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MESO: Mesoscale Discussion 1027

ACUS11 KWNS 031738
SWOMCD
SPC MCD 031737
NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-DCZ000-VAZ000-WVZ000-032000-

MESOSCALE DISCUSSION 1027
NWS STORM PREDICTION CENTER NORMAN OK
1237 PM CDT SUN JUN 03 2012

AREAS AFFECTED...CNTRL/SRN/ERN PA...NERN WV...NRN VA...MUCH OF
MD/DE...THE DISTRICT OF COLUMBIA...NJ...SERN NY

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 031737Z - 032000Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...STORMS MAY CONTAIN GUSTY WINDS AND SMALL HAIL THIS
AFTERNOON...AND A MARGINALLY SVR STORM WILL ALSO BE POSSIBLE. THE
ISSUANCE OF A WW IS UNLIKELY.

DISCUSSION...A LOW-LEVEL BAROCLINIC ZONE ACCOMPANYING A DIFFERENTIAL
HEATING BOUNDARY ARCS FROM CNTRL/SRN PA INTO SERN NY OVER THE SRN
FRINGES OF THE EXPANSIVE MULTI-LAYERED CLOUD DECK SURROUNDING BROAD
CYCLONIC FLOW ACROSS THE NERN STATES. THIS ZONE WILL BE THE FOCUS
FOR CONVECTIVE INITIATION THROUGH THE AFTERNOON...AS LOW-LEVEL LAPSE
RATES CONTINUE TO STEEPEN ON THE WARM SIDE OF THE BOUNDARY -- I.E.
0-3-KM AGL LAPSE RATES ALREADY REACHING 8-9 C/KM OWING TO STRONG
INSOLATION. CONVECTION MAY ALSO DEVELOP IN RESPONSE TO OROGRAPHIC
ASCENT INVOF HIGHER TERRAIN. STORMS WILL BE STEERED ESEWD GIVEN
30-35 KT OF MID-LEVEL WNWLY FLOW OVER THE SWRN PERIPHERY OF THE
BROAD CYCLONIC ENVELOPE. THE STEEP LAPSE RATES COMBINED WITH SFC
DEWPOINTS IN THE UPPER 40S TO THE LOWER 50S WILL YIELD SBCAPE VALUES
NEARING 1000 J/KG IN SOME AREAS...WHICH MAY SUPPORT A FEW VIGOROUS
UPDRAFTS CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WINDS. GIVEN THE
STRENGTH OF THE MID-LEVEL FLOW SUPPORTING MODEST DEEP SHEAR...AND
COLD MID-LEVEL TEMPERATURES -- I.E. AROUND -20C AT 500 MB PER 12Z
RAOBS -- THE STRONGEST STORMS MAY PRODUCE COPIOUS AMOUNTS OF SMALL
HAIL AND POSSIBLY AN ISOLATED INSTANCE OF MARGINALLY SVR HAIL. ONE
OR TWO LINE SEGMENTS MAY CONTAIN MARGINALLY SVR WIND GUSTS.
HOWEVER...STORM STRENGTH WILL GREATLY BE MITIGATED BY THE ABSENCE OF
RICHER LOW-LEVEL MOISTURE / STRONGER BUOYANCY. STORMS WILL DECREASE
IN NUMBER/INTENSITY THIS EVENING AS NOCTURNAL STABILIZATION
COMMENCES.

..COHEN/CARBIN.. 06/03/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OKX...ALY...PHI...BGM...AKQ...CTP...LWX...PBZ...
RLX...

LAT...LON 40627985 40577663 41987395 40707374 39007474 38357689
38687907 39568035 40627985

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 031731
SWODY2
SPC AC 031730

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CDT SUN JUN 03 2012

VALID 041200Z - 051200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF CENTRAL/NRN ID
AND WRN/CENTRAL MT...

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE MID MS VALLEY TO THE
SOUTHEAST STATES...

...SYNOPSIS...
MODELS REMAIN CONSISTENT SHOWING AMPLIFICATION OF THE UPPER FLOW
PATTERN ACROSS THE CONUS DURING DAY 2. A SHORTWAVE TROUGH CURRENTLY
MOVING THROUGH THE BASE OF THE AK CLOSED LOW WILL DIG SEWD TOWARD CA
BY 12Z MON SUPPORTING SEWD MOVEMENT OF THE AK LOW. FURTHER
AMPLIFICATION OF THESE PACIFIC SYSTEMS IS EXPECTED ON MON AS A
CONSOLIDATED TROUGH BECOMES NEGATIVELY-TITLED MOVING INLAND TO THE
GREAT BASIN AND NWRN STATES. A DOWNSTREAM RIDGE WILL BUILD NWD
ACROSS THE PLAINS STATES INTO CENTRAL CANADA AIDING IN THE FORMATION
OF A DEEPER LONGWAVE TROUGH ACROSS THE ERN STATES.

AT THE SURFACE...A COLD FRONT IS FORECAST TO SWEEP EWD ACROSS THE
PACIFIC NW AND GREAT BASIN REGION THIS FORECAST PERIOD. A WARM
FRONT SHOULD RESIDE FROM SRN MT WWD INTO CENTRAL ID...WITH THIS
BOUNDARY MOVING NWD DURING DAY 2. IN THE SOUTHEAST...A
BACKDOOR-TYPE FRONT SAGS SWD/SEWD ACROSS THE SOUTHEAST WITH THE WRN
EXTENT OF THIS BOUNDARY MERGING WITH A WARM FRONT EXPECTED TO
ADVANCE NEWD INTO THE MID SOUTH. THESE BOUNDARIES WILL ACT TO
FOCUS SEVERE WEATHER POTENTIAL MONDAY/MONDAY NIGHT.

...WRN/CENTRAL MT...CENTRAL/NRN ID...TO PARTS OF ERN WA/ORE...
MODELS CONTINUE TO INDICATE A SUBSTANTIAL SEVERE WEATHER THREAT
EVOLVING FOR DAY 2...AS A VERY STRONG...NEGATIVELY-TILTED TROUGH
MOVES ONSHORE ACROSS THE PAC NW. AHEAD OF THIS TROUGH...FAST/
DIFFLUENT SSWLY MID-LEVEL FLOW FIELD WILL OVERSPREAD ID/MT THROUGH
THE DAY. AS A COLD FRONT SHIFTS INLAND AND A DEEPENING SURFACE LOW
SHIFTS FROM NRN NV TOWARD WRN/N CENTRAL MT...A DESTABILIZING WARM
SECTOR WILL SUPPORT WIDESPREAD STORM DEVELOPMENT...BOTH ACROSS THE
HIGHER TERRAIN AS WELL AS INVOF THE LOW/TRAILING COLD FRONT...AND
THE WARM FRONT ACROSS MT. WITH LOW-LEVEL SELY FLOW ACROSS MT/NRN ID
N AND NE OF THE SURFACE LOW BENEATH THE FAST/DIFFLUENT FLOW
ALOFT...SHEAR WILL FAVOR INTENSIFICATION/ROTATION OF THE DEVELOPING
STORMS...WITH SEVERAL SEVERE/SUPERCELL STORMS LIKELY BY LATE
AFTERNOON/EARLY EVENING. GENERALLY STRAIGHT HODOGRAPHS...WITH SOME
LOW LEVEL HODOGRAPH CURVATURE INVOF THE SURFACE LOW AND WARM
FRONT...SUGGEST SPLITTING SUPERCELLS WITH A HAIL/WIND THREAT. A
TORNADO THREAT CANNOT BE RULED OUT ESPECIALLY ALONG THE WARM FRONT
AND SURFACE LOW. THE DEEP SLY FLOW FIELD SHOULD RESULT IN NWD STORM
MOTIONS. SEVERE POTENTIAL MAY CONTINUE INTO THE OVERNIGHT HOURS...AS
STORMS SPREAD EWD INTO CENTRAL MT.

FARTHER TO THE SW...LOW SEVERE PROBABILITIES HAVE BEEN EXTENDED
ACROSS MORE OF CENTRAL/ERN ORE...GIVEN THE DEVELOPMENT OF MARGINAL
INSTABILITY AHEAD OF THE COLD FRONT MOVING THROUGH THIS REGION
DURING THE EARLY-MID AFTERNOON.

...MID MS VALLEY TO THE SOUTHEAST STATES...
SCATTERED STRONG TO SEVERE STORMS IN THE FORM OF AN MCS
MAY BE ONGOING EARLY IN THE DAY FROM THE MID MS VALLEY TO THE TN
VALLEY. LATEST GUIDANCE SUGGESTS SOME POTENTIAL FOR THIS ACTIVITY TO
PERSIST AND POSSIBLY STRENGTHEN AS DIURNAL DESTABILIZATION OCCURS
EAST ACROSS PARTS OF AL/GA AND SC. MODEST WNWLY FLOW ALOFT WILL
SUPPORT THE POTENTIAL FOR RELATIVELY FAST-MOVING/ORGANIZED STORMS
DEVELOPING ACROSS THESE AREAS DURING THE DAY WITH A CHANCE FOR
DAMAGING WINDS. HOWEVER...UNCERTAINTY EXISTS WITH RESPECT TO DEGREE
OF DESTABILIZATION ACROSS THESE AREAS GIVEN THE POSSIBILITY FOR
WIDESPREAD CONVECTION TO EVOLVE THROUGH THE DAY 1 PERIOD...THUS
LIMITING AVAILABLE INSTABILITY AHEAD OF THE YET-TO-FORM MCS MOVING
INTO DAY 2.

THE SLIGHT RISK HAS BEEN EXTENDED A LITTLE FARTHER TO THE NW INTO
SERN MO AND VICINITY...GIVEN MODEL INDICATION FOR ADDITIONAL STORM
DEVELOPMENT MONDAY AFTERNOON WITH SUFFICIENT INSTABILITY/SHEAR
SUPPORTING GREATER SEVERE WEATHER COVERAGE.

..PETERS/CARBIN.. 06/03/2012

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KOUN [031703]: Preliminary Local Storm Report

NWUS54 KOUN 031703
LSROUN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1203 PM CDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1200 AM TSTM WND GST ROLL 35.78N 99.72W
06/03/2012 E60 MPH ROGER MILLS OK PUBLIC

PEA SIZE HAIL ALSO


&&

$$

DW

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 031631
SWODY1
SPC AC 031629

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1129 AM CDT SUN JUN 03 2012

VALID 031630Z - 041200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE TX
PANHANDLE...OK/AR...ACROSS THE MS VALLEY TO THE TN VALLEY...

...SYNOPSIS...
A DEEP UPPER CYCLONE OVER SRN ONTARIO WILL BEGIN TO TRANSITION INTO
MORE OF AN OPEN WAVE TROUGH WHILE SPREADING SEWD ACROSS THE ERN
GREAT LAKES. A BROAD BELT OF MODERATE TO STRONG NWLY MID LEVEL FLOW
EXISTS ON THE SWRN FLANK OF THIS LARGE SCALE TROUGH WITH 40-70KT
500MB WINDS EXTENDING FROM UPPER MS VALLEY TO THE SOUTHEAST. WHILE A
LARGE SCALE RIDGE AXIS EXISTS ACROSS MUCH OF THE CNTRL U.S. EAST OF
THE ROCKIES...MINOR PERTURBATIONS...SOME CONVECTIVELY INDUCED AND
MAINTAINED...ARE EMBEDDED WITHIN THE ARC OF ANTICYCLONIC LARGE SCALE
FLOW OVER THIS REGION OF THE COUNTRY. A COMPLEX OF THESE SMALLER
SCALE IMPULSES...ACCOMPANIED BY SLIGHTLY STRONGER MID LEVEL FLOW
ACROSS THE PLAINS THIS MORNING...WILL CONTINUE TO PLAY SOME ROLE IN
TSTM DEVELOPMENT AND COVERAGE LATER TODAY FROM THE SRN PLAINS ACROSS
THE MS VALLEY TO THE SOUTHEAST.

UPPER RIDGING IS FORECAST TO STRENGTHEN OVER THE FOUR CORNERS AREA
THROUGH THE PERIOD AS A STRONG TROUGH MOVES TOWARD THE WEST COAST BY
EARLY MONDAY.

...MO/AR TO MS/AL...
OVERALL FORECAST UNCERTAINTY REMAINS RATHER HIGH OVER THE ENTIRE
COUNTRY THIS PERIOD AS SHOWN IN THE WIDE RANGE OF CHANGES TO THE
OUTLOOK OVER THE PAST 72 HOURS. THIS IS DUE IN PART TO STORM SCALE
AND MESOSCALE INFLUENCES ON BOTH THE BOUNDARY LAYER AND UPPER LEVELS
THAT ARE NOT ALWAYS WELL DEPICTED OR HANDLED BY TRADITIONAL
NUMERICAL MODELS.

LATEST UA AND SURFACE ANALYSIS REVEAL A SHORT WAVE TROUGH/MCV
DRIVING A SMALL CLUSTER OF CONVECTION ACROSS NERN AR. AIRMASS
UPSTREAM FROM THESE WEAK TSTMS WILL CONTINUE TO DESTABILIZE BENEATH
CAPPING INVERSION THAT WEAKENS WITH EWD EXTENT. VERY WARM BOUNDARY
LAYER AND WEAK BUT PERSISTENT ISENTROPIC ASCENT FROM THE MS RIVER
EAST ACROSS MS AND AL MAY CONTRIBUTE TO AN INCREASING CHANCE FOR
SURFACE-BASED TSTM DEVELOPMENT LATER THIS AFTERNOON. THESE AREAS
RESIDE ON THE SWRN FLANK OF STRONGER WNWLY FLOW ALOFT AND BENEATH
THE RIGHT ENTRANCE REGION OF MID LEVEL JET SITUATED ACROSS THE CNTRL
APPALACHIANS AND EAST COAST. ANY DEEP CONVECTION DEVELOPING IN THIS
REGIME WILL EXIST AMIDST SUFFICIENT SHEAR AND FLOW TO SUPPORT AN
INCREASING CHANCE FOR MULTICELLS AND PERHAPS EVEN SUPERCELLS WITH
ATTENDANT THREATS OF HAIL/WIND INTO THE EVENING.

IN ADDITION TO THE POSSIBILITY OF THE ABOVE SCENARIO...LATEST NAM
SUGGESTS ANOTHER UPSTREAM MCS DEVELOPING FROM THE MO BOOTHEEL ACROSS
THE MS RIVER LATE TONIGHT. THIS COMPLEX IS FORECAST TO SPREAD SEWD
ACROSS PARTS OF THE TN VALLEY THROUGH EARLY MONDAY AND COULD ALSO
BRING WITH IT ANOTHER ROUND OF STRONG WINDS AND PERHAPS SOME HAIL
EVENTS.

GIVEN THESE PROSPECTS FOR STRONG TO SEVERE STORMS THROUGHOUT THE
REST OF THIS FORECAST PERIOD...THE SLGT RISK AREA HAS BEEN EXPANDED
EAST ACROSS THE MS RIVER AND INTO THE TN VALLEY.

...SRN PLAINS...
REMNANTS OF OVERNIGHT MCS WAS DISSIPATING WHILE SPREADING INTO MO/AR
LATE THIS MORNING. IN THE WAKE OF THIS DECAYING CONVECTIVE SYSTEM
THERE IS A WEAK SHORT-WAVE TROUGH OBSERVED ACROSS THE HIGH PLAINS OF
ERN CO/NERN NM THAT IS EXPECTED TO PROGRESS ESEWD TOWARD WRN OK BY
04/00Z. CONSIDERABLE LEFT-OVER MID LEVEL CONVECTIVE DEBRIS IS NOTED
LATE THIS MORNING ACROSS MUCH OF KS AND EVEN ACROSS PARTS OF NRN OK.
HOWEVER...STRONG BOUNDARY LAYER HEATING IS UNDERWAY ACROSS THE HIGH
PLAINS FROM SERN CO INTO THE TX PANHANDLE. ALTHOUGH A SUBSTANTIAL
EML HAS OVERSPREAD THE SRN HIGH PLAINS...IT APPEARS BOUNDARY LAYER
HEATING WILL BE INTENSE ENOUGH THAT CONVECTIVE TEMPERATURES WILL BE
BREACHED ALONG THE DRY LINE ACROSS THE ERN OK/TX PANHANDLE INTO
PORTIONS OF NWRN TX LATER THIS AFTERNOON.

THERE IS INCREASING CONFIDENCE THAT A CLUSTER OF STRONG TO SEVERE
THUNDERSTORMS WILL EVOLVE ALONG THE SRN INFLUENCE OF THE
AFOREMENTIONED CLOUDINESS ACROSS KS SUCH THAT AN MCS MAY EVOLVE OVER
NWRN OK THIS EVENING. LATEST MODEL GUIDANCE SUGGESTS THIS ACTIVITY
WILL DEVELOP WITHIN AN INCREASINGLY UNSTABLE AIR MASS CHARACTERIZED
BY SBCAPE IN EXCESS OF 3000 J/KG AND DEEP LAYER SHEAR MORE THAN
ADEQUATE TO SUPPORT AN UPSCALE EVOLVING MCS AFTER DARK. FOR THIS
REASON HAVE INCREASED THE PROBABILITY FOR SEVERE HAIL/WIND...AND
INCLUDE THE RISK OF SIG HAIL /2 INCHES OR GREATER/ ACROSS NWRN/CNRTL
OK WITH BOTH INITIAL SUPERCELL STRUCTURES AND STORM MERGERS. HAVE
ALSO SHIFTED 5 PCT TOR PROBS SWD TO BETTER REFLECT THE MOST LIKELY
POSITION OF WEAK SFC BOUNDARY THAT COULD AID IN THE DEVELOPMENT OF A
COUPLE OF TORNADOES. LATEST THINKING IS SEVERE MCS MAY SPREAD ESEWD
ACROSS MUCH OF NRN OK THIS EVENING...POSSIBLY EXTENDING INTO
PORTIONS OF CNTRL OK AS LLJ INCREASES INTO THIS PART OF THE STATE
AFTER DARK.

...CNTRL/NRN ROCKIES AND THE ADJACENT HIGH PLAINS...
MID/UPPER FLOW WILL CONTINUE TO BUCKLE AS A RIDGE AMPLIFIES OVER THE
NRN ROCKIES/HIGH PLAINS IN RESPONSE TO A DIGGING ERN PACIFIC TROUGH.
WHILE THIS LARGE-SCALE PATTERN WILL NOT BE AS FAVORABLE FOR SVR
STORMS TODAY AS IT WAS YESTERDAY...SUFFICIENTLY COOL MID-LEVEL
TEMPERATURES WILL SUPPORT A BROAD AREA OF STEEP LAPSE RATES ATOP THE
WRN FRINGES OF THE GULF OF MEXICO LOW-LEVEL MOISTURE PLUME. THIS
WILL YIELD MARGINAL DESTABILIZATION FROM SWRN/S-CNTRL MT SWD ACROSS
THE CNTRL ROCKIES/HIGH PLAINS.

WITH OROGRAPHIC ASCENT INCREASING THIS AFTERNOON DUE TO DIABATIC
HEATING...ISOLATED TO SCATTERED STORMS SHOULD DEVELOP OVER THE
ROCKIES AND BE STEERED EWD/SEWD OVER THE ADJACENT HIGH PLAINS.
ISOLATED INSTANCES OF SVR HAIL WILL BE THE GREATEST CONCERN WITH
THESE STORMS...PARTICULARLY ACROSS PARTS OF SWRN/S-CNTRL MT WHICH
WILL BE IN CLOSER PROXIMITY TO THE ZONE OF STRONGER DEEP SHEAR
ATTENDANT TO THE POLAR STREAM OVER THE NRN FRINGES OF THE AMPLIFYING
UPPER RIDGE. ONE OR TWO STORM CLUSTERS COULD EVOLVE FROM THE MT
ACTIVITY AND SHIFT EWD INTO THE EARLY EVENING. THE OVERALL SVR
THREAT IS EXPECTED TO DIMINISH ACROSS THE ENTIRE AREA THROUGH THE
EVENING GIVEN BOUNDARY LAYER STABILIZATION AND THE LACK OF STRONGER
DEEP FORCING FOR ASCENT.

...NORTHEAST/MID ATLANTIC...
COLD POOL ALOFT ASSOCIATED WITH THE DEEP LOW/TROUGH OVER ERN GREAT
LAKES WILL CONTRIBUTE TO AN INCREASE IN LOW TOPPED SHOWER AND TSTM
DEVELOPMENT FROM SERN NY ACROSS PA/NJ AND PARTS OF THE MID ATLANTIC
THROUGH THE AFTERNOON. WHILE BOUNDARY LAYER WARMING SHOULD
CONTRIBUTE TO WEAK DESTABILIZATION...MEAGER LOW LEVEL MOISTURE AND
LACK OF STRONGER LOW LEVEL CONVERGENCE ARE EXPECTED TO LIMIT OVERALL
CONVECTIVE VIGOR. NONETHELESS...SHOWERS/STORMS COULD PRODUCE LOCALLY
GUSTY WINDS AND A ISOLATED STRONGER CELLS COULD GENERATE COPIOUS
AMOUNTS OF SMALL HAIL.

..CARBIN/DARROW/COHEN.. 06/03/2012

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KLWX [031552]: Preliminary Local Storm Report

NWUS51 KLWX 031552
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1152 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0252 PM TORNADO 1 SW WATERSVILLE 39.36N 77.12W
06/01/2012 HOWARD MD NWS STORM SURVEY

A TORNADO...RATED EF1...STARTED ON WEST WATERSVILLE
ROAD JUST NORTH OF OLD FREDERICK ROAD AND MOVED
NORTHEAST BEFORE DISSIPATING NEAR THE INTERSECTION OF
WATERSVILLE ROAD AND FLAG MARSH ROAD. PATH LENGTH 1.4
MILES...MAX PATH WIDTH 200 YARDS. DAMAGE CONSISTED OF
NUMEROUS TREES UPROOTED AND SNAPPED WITH POWER LINES
DOWN. AN AREA OF INTENSE DAMAGE WAS NOTED IN THE 500
BLOCK OF WEST WATERSVILLE ROAD...WHERE APPROXIMATELY 30
TO 40 LARGE HARDWOOD TREES UP TO 2 FEET IN DIAMETER WERE
UPROOTED OR SNAPPED


&&

EVENT NUMBER LWX1200281

$$

HTS

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KLWX [031540]: Preliminary Local Storm Report

NWUS51 KLWX 031540
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1139 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0248 PM TORNADO 2 SE MOUNT AIRY 39.36N 77.14W
06/01/2012 CARROLL MD NWS STORM SURVEY

A BRIEF TORNADO...RATED EF0...STARTED JUST WEST OF THE
INTERSECTION OF TWIN ARCH ROAD AND OLD FREDERICK ROAD
AND JUST NORTH OF I-70...CONTINUING NORTH UNTIL IT
DISSIPATED AFTER CROSSING TWIN ARCH ROAD. PATH LENGTH
0.4 MILES...MAX PATH WIDTH 100 YARDS. SPORADIC DAMAGE
ALONG THE PATH CONSISTED OF SEVERAL UPROOTED TREES AND
SNAPPED LIMBS. NO STRUCTURAL DAMAGE WAS OBSERVED.


&&

EVENT NUMBER LWX1200280

$$

HTS

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KLWX [031528]: Preliminary Local Storm Report...corrected

NWUS51 KLWX 031528
LSRLWX

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1128 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0526 PM TORNADO 1 NW SPRINGDALE 38.94N 76.85W
06/01/2012 PRINCE GEORGES MD NWS STORM SURVEY

BRIEF TORNADO WAS DOCUMENTED EAST OF THE US50 AND
BELTWAY INTERCHANGE IN PRINCE GEORGES COUNTY. DAMAGE WAS
LIGHT AND CONSISTED OF UPROOTED TREES AND SNAPPED LIMBS.
DAMAGE WAS CONSISTENT WITH EF0 WIND. PATH WIDTH WAS 50
YARDS.


&&

CORRECTED EVENT TIME

EVENT NUMBER LWX1200276

$$

HTS

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KKEY [031520]: Preliminary Local Storm Report

NWUS52 KKEY 031520
LSRKEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
1120 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1111 AM WATER SPOUT 1 SW GRASSY KEY 24.75N 80.97W
06/03/2012 MIDDLE KEYS IN MON FL TRAINED SPOTTER

A TRAINED WEATHER SPOTTER REPORTED A THIN WATERSPOUT JUST
SOUTH OF CURRY HAMMOCK STATE PARK...ON THE EAST END OF
MARATHON. A SPRAY RING WAS NOT CONFIRMED DUE TO VISIBLE
OBSTRUCTION.


&&

$$

CLR

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KRNK [031405]: Preliminary Local Storm Report

NWUS51 KRNK 031405
LSRRNK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1005 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0150 PM HAIL 1 ESE FORKS OF BUFFALO 37.68N 79.17W
06/01/2012 E1.00 INCH AMHERST VA PUBLIC

RELAYED FROM NSSL

0201 PM HAIL 5 NW CLIFFORD 37.69N 79.11W
06/01/2012 E1.75 INCH AMHERST VA PUBLIC

RELAYED FROM NSSL

0202 PM HAIL 5 NW CLIFFORD 37.70N 79.09W
06/01/2012 E1.25 INCH AMHERST VA PUBLIC

RELAYED FROM NSSL

0203 PM HAIL 5 NW CLIFFORD 37.71N 79.09W
06/01/2012 E1.25 INCH AMHERST VA PUBLIC

RELAYED FROM NSSL

0205 PM HAIL 5 NNW CLIFFORD 37.72N 79.07W
06/01/2012 E1.25 INCH AMHERST VA PUBLIC

RELAYED FROM NSSL


&&

$$

SK

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KLWX [031359]: Preliminary Local Storm Report

NWUS51 KLWX 031359
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
959 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0430 PM TSTM WND DMG 1 SSE SIMPSONVILLE 39.17N 76.87W
06/01/2012 HOWARD MD PUBLIC

PATH OF TREES DOWN NEAR INTERSECTION OF FIRST LEAGUE
AND EDEN BROOK DRIVE


&&

EVENT NUMBER LWX1200279

$$

HTS

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DAY1SVR: Day 1 Convective Outlook Corr 1

ACUS01 KWNS 031313
SWODY1
SPC AC 031311

DAY 1 CONVECTIVE OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0811 AM CDT SUN JUN 03 2012

VALID 031300Z - 041200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE
CENTRAL/SOUTHERN PLAINS...

EXPANDED AREA INFORMATION IN ...NY/PA... SECTION AND CORRECTED GENL
TSTM AREA.

...KS/OK/MO/AR...
A DEEP UPPER LOW WILL REMAIN OVER THE GREAT LAKES REGION TODAY AS
HEIGHTS RISE ACROSS THE CENTRAL PLAINS AND SOUTHWEST. A LARGE AREA
OF CONVECTION HAS TRAVERSED THE CENTRAL PLAINS OVERNIGHT...WITH THE
REMNANT MCV NOW OVER EASTERN KS. THIS SYSTEM WILL CONTINUE TO MOVE
EASTWARD INTO MO/AR TODAY PROVIDING WIDESPREAD CLOUDS AND
PRECIPITATION. IN THE WAKE OF THIS SYSTEM...CLOUDS ARE ERODING OVER
PARTS OF KS/OK WHERE STRONG AFTERNOON HEATING AND MOISTENING WILL
OCCUR. THIS WILL LIKELY LEAD TO A REGION OF STRONG INSTABILITY WITH
MLCAPE VALUES OF 2000-3000 J/KG AND ONLY WEAK CAPPING. MODEL
SOLUTIONS ARE DIVERSE IN TERMS OF TIMING AND LOCATION OF CONVECTIVE
INITIATION THIS AFTERNOON...BUT IT APPEARS THE GREATEST THREAT OF
SEVERE STORMS WILL BE FROM PARTS OF CENTRAL/EASTERN KS SOUTHWARD
INTO NORTHERN/CENTRAL OK. EFFECTIVE SHEAR PROFILES IN THIS REGION
WOULD FAVOR SUPERCELLS CAPABLE OF VERY LARGE HAIL AND DAMAGING
WINDS. STORMS WILL LIKELY PERSIST INTO THE EVENING AND PROPAGATE
SOUTHEASTWARD INTO WESTERN/CENTRAL AR.

...NEB/IA...
THE OVERNIGHT MCS HAS ADDED COMPLEXITY TO THE FORECAST OF SEVERE
STORMS OVER PARTS OF NEB/IA TODAY. WIDESPREAD CLOUDS ASSOCIATED
WITH THE MCV WILL RETARD DAYTIME HEATING THIS MORNING. LOW LEVEL
MOISTURE AND INSTABILITY HAS ALSO BEEN AFFECTED OVER KS...WHICH MAY
ALSO AFFECT NORTHWARD TRANSPORT THROUGH THE DAY. FEW IF ANY
OPERATIONAL MODELS NOW INITIATE ORGANIZED CONVECTION NORTH OF THE
KS/NEB BORDER. FOR THESE REASONS HAVE OPTED TO REMOVE THE SLIGHT
RISK IN THIS AREA.

...AR/MS/AL...
THE SOUTHERN FLANK OF THE REMNANT CONVECTIVE CLUSTER IS NOW MOVING
INTO NORTHWEST AR. THERE IS SOME RISK THAT THESE STORMS WILL
REJUVENATE BY MID AFTERNOON AS THEY INTERACT WITH STRONGER NORTHWEST
FLOW ALONG AND SPREAD INTO THE CENTRAL GULF COAST STATES. STRONG
INSTABILITY IS FORECAST TO DEVELOP IN THIS REGION...ALONG WITH
SUFFICIENT VERTICAL SHEAR FOR ORGANIZED MULTICELL OR SUPERCELL
STORMS.

A SECOND SCENARIO OF CONCERN FOR THIS REGION IS LATE TONIGHT.
SEVERAL MODEL SOLUTIONS INITIATE STRONG STORMS AFTER MIDNIGHT OVER
PARTS OF MS/TN/AL AND SPREAD THEM SLOWLY SOUTHEASTWARD. POOR
DIURNAL TIMING WOULD LIKELY LIMIT THE OVERALL SEVERE THREAT IN THIS
SCENARIO...BUT HAVE MAINTAINED LOW SEVERE PROBABILITIES IN THE EVENT
THAT EITHER SITUATION DEVELOPS.

...NY/PA TO MID ATLANTIC...
COOL TEMPERATURES ALOFT WILL OVERSPREAD PARTS OF THE NORTHEAST
STATES TODAY...WITH -20C AT 500MB ACROSS PARTS OF NY/PA. DESPITE
LIMITED LOW LEVEL MOISTURE...SCATTERED THUNDERSTORMS ARE LIKELY TO
DEVELOP BY LATE MORNING ACROSS WESTERN PA AND SPREAD SOUTHEASTWARD
THROUGH THE AFTERNOON INTO PARTS OF MD/VA. FORECAST SOUNDINGS SHOW
SUFFICIENT CAPE FOR A FEW ROBUST UPDRAFTS/DOWNDRAFTS CAPABLE OF HAIL
AND GUSTY/DAMAGING WINDS. AT THIS TIME...AREAL COVERAGE OF SEVERE
STORMS IS NOT EXPECTED TO WARRANT A SLIGHT RISK.

...MT...
A FEW THUNDERSTORMS MAY FORM THIS AFTERNOON AND EVENING OVER THE
MOUNTAINS AND FOOTHILLS OF SOUTH-CENTRAL MT. THESE STORMS WOULD
SPREAD EASTWARD THROUGH THE EVENING. IF STORMS DO FORM...STEEP MID
LEVEL LAPSE RATES AND FAVORABLE VERTICAL SHEAR WOULD PROMOTE A RISK
OF SUPERCELLS CAPABLE OF HAIL. AT THIS TIME...THE SEVERE THREAT IS
EXPECTED TO BE OF LIMITED AREAL COVERAGE.

..HART/MOSIER.. 06/03/2012

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KAPX [031253]: Preliminary Local Storm Report

NWUS53 KAPX 031253
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
853 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0852 AM HEAVY RAIN 2 NW EAST JORDAN 45.18N 85.16W
06/03/2012 M2.50 INCH CHARLEVOIX MI CO-OP OBSERVER

STORM TOTAL. 24 HR TOTAL 0.60 IN.


&&

$$

SCHWARTZ

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 031233
SWODY1
SPC AC 031231

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0731 AM CDT SUN JUN 03 2012

VALID 031300Z - 041200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE CENTRAL
PLAINS...

...KS/OK/MO/AR...
A DEEP UPPER LOW WILL REMAIN OVER THE GREAT LAKES REGION TODAY AS
HEIGHTS RISE ACROSS THE CENTRAL PLAINS AND SOUTHWEST. A LARGE AREA
OF CONVECTION HAS TRAVERSED THE CENTRAL PLAINS OVERNIGHT...WITH THE
REMNANT MCV NOW OVER EASTERN KS. THIS SYSTEM WILL CONTINUE TO MOVE
EASTWARD INTO MO/AR TODAY PROVIDING WIDESPREAD CLOUDS AND
PRECIPITATION. IN THE WAKE OF THIS SYSTEM...CLOUDS ARE ERODING OVER
PARTS OF KS/OK WHERE STRONG AFTERNOON HEATING AND MOISTENING WILL
OCCUR. THIS WILL LIKELY LEAD TO A REGION OF STRONG INSTABILITY WITH
MLCAPE VALUES OF 2000-3000 J/KG AND ONLY WEAK CAPPING. MODEL
SOLUTIONS ARE DIVERSE IN TERMS OF TIMING AND LOCATION OF CONVECTIVE
INITIATION THIS AFTERNOON...BUT IT APPEARS THE GREATEST THREAT OF
SEVERE STORMS WILL BE FROM PARTS OF CENTRAL/EASTERN KS SOUTHWARD
INTO NORTHERN/CENTRAL OK. EFFECTIVE SHEAR PROFILES IN THIS REGION
WOULD FAVOR SUPERCELLS CAPABLE OF VERY LARGE HAIL AND DAMAGING
WINDS. STORMS WILL LIKELY PERSIST INTO THE EVENING AND PROPAGATE
SOUTHEASTWARD INTO WESTERN/CENTRAL AR.

...NEB/IA...
THE OVERNIGHT MCS HAS ADDED COMPLEXITY TO THE FORECAST OF SEVERE
STORMS OVER PARTS OF NEB/IA TODAY. WIDESPREAD CLOUDS ASSOCIATED
WITH THE MCV WILL RETARD DAYTIME HEATING THIS MORNING. LOW LEVEL
MOISTURE AND INSTABILITY HAS ALSO BEEN AFFECTED OVER KS...WHICH MAY
ALSO AFFECT NORTHWARD TRANSPORT THROUGH THE DAY. FEW IF ANY
OPERATIONAL MODELS NOW INITIATE ORGANIZED CONVECTION NORTH OF THE
KS/NEB BORDER. FOR THESE REASONS HAVE OPTED TO REMOVE THE SLIGHT
RISK IN THIS AREA.

...AR/MS/AL...
THE SOUTHERN FLANK OF THE REMNANT CONVECTIVE CLUSTER IS NOW MOVING
INTO NORTHWEST AR. THERE IS SOME RISK THAT THESE STORMS WILL
REJUVENATE BY MID AFTERNOON AS THEY INTERACT WITH STRONGER NORTHWEST
FLOW ALONG AND SPREAD INTO THE CENTRAL GULF COAST STATES. STRONG
INSTABILITY IS FORECAST TO DEVELOP IN THIS REGION...ALONG WITH
SUFFICIENT VERTICAL SHEAR FOR ORGANIZED MULTICELL OR SUPERCELL
STORMS.

A SECOND SCENARIO OF CONCERN FOR THIS REGION IS LATE TONIGHT.
SEVERAL MODEL SOLUTIONS INITIATE STRONG STORMS AFTER MIDNIGHT OVER
PARTS OF MS/TN/AL AND SPREAD THEM SLOWLY SOUTHEASTWARD. POOR
DIURNAL TIMING WOULD LIKELY LIMIT THE OVERALL SEVERE THREAT IN THIS
SCENARIO...BUT HAVE MAINTAINED LOW SEVERE PROBABILITIES IN THE EVENT
THAT EITHER SITUATION DEVELOPS.

...NY/PA...
COOL TEMPERATURES ALOFT WILL OVERSPREAD PARTS OF THE NORTHEAST
STATES TODAY...WITH -20C AT 500MB ACROSS PARTS OF NY/PA. DESPITE
LIMITED LOW LEVEL MOISTURE...SCATTERED THUNDERSTORMS ARE LIKELY TO
DEVELOP BY LATE MORNING ACROSS WESTERN PA AND SPREAD SOUTHEASTWARD
THROUGH THE AFTERNOON INTO PARTS OF MD/VA. FORECAST SOUNDINGS SHOW
SUFFICIENT CAPE FOR A FEW ROBUST UPDRAFTS/DOWNDRAFTS CAPABLE OF HAIL
AND GUSTY/DAMAGING WINDS. AT THIS TIME...AREAL COVERAGE OF SEVERE
STORMS IS NOT EXPECTED TO WARRANT A SLIGHT RISK.

...MT...
A FEW THUNDERSTORMS MAY FORM THIS AFTERNOON AND EVENING OVER THE
MOUNTAINS AND FOOTHILLS OF SOUTH-CENTRAL MT. THESE STORMS WOULD
SPREAD EASTWARD THROUGH THE EVENING. IF STORMS DO FORM...STEEP MID
LEVEL LAPSE RATES AND FAVORABLE VERTICAL SHEAR WOULD PROMOTE A RISK
OF SUPERCELLS CAPABLE OF HAIL. AT THIS TIME...THE SEVERE THREAT IS
EXPECTED TO BE OF LIMITED AREAL COVERAGE.

..HART/MOSIER.. 06/03/2012

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KBOX [031227]: Preliminary Local Storm Report

NWUS51 KBOX 031227
LSRBOX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
826 AM EDT SUN JUN 03 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0946 PM COASTAL FLOOD SALEM 42.53N 70.87W
06/02/2012 ESSEX MA AMATEUR RADIO

COMMERCIAL STREET FLOODED END TO END WITH A DEPTH OF 1
FOOT.

0946 PM COASTAL FLOOD SALEM 42.53N 70.87W
06/02/2012 ESSEX MA AMATEUR RADIO

BRIDGE STREET NEAR COMMERCIAL STREET HAS 6 INCHES OF
WATER ALONG THE SIDES WITH 2 INCHES IN THE MIDDLE. ROAD
IS PASSABLE. IN ADDITION ... BOTTOM OF RAMPS OF ROUTE
114 AND 107 IN VICINITY OF BRIDGE STREET ARE FLOODED 3
TO 4 INCHES DEEP

1025 PM COASTAL FLOOD GLOUCESTER 42.62N 70.65W
06/02/2012 ESSEX MA AMATEUR RADIO

EASTERN POINT BOULEVARD HAS 4 TO 6 INCHES OF FLOODING


&&

$$

KAB

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