KPSR [290329]: Preliminary Local Storm Report

NWUS55 KPSR 290329
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
829 PM MST SAT AUG 28 2010

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

0645 PM HEAVY RAIN 2 NNE PHOENIX 33.57N 112.05W
08/28/2010 E1.24 INCH MARICOPA AZ TRAINED SPOTTER

SPOTTER REPORTS 1.24 INCHES RAINFALL ESTIMATED TO HAVE
OCCURRED BETWEEN 1800-1845 LST.

&&

$$

RRICKEY

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KTWC [290306]: Preliminary Local Storm Report

NWUS55 KTWC 290306
LSRTWC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
806 PM MST SAT AUG 28 2010

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

0726 PM FLASH FLOOD 5 E TUCSON 32.24N 110.86W
08/28/2010 PIMA AZ LAW ENFORCEMENT

SWIFT WATER RESCUE ON THE ALAMO WASH AT LEE STREET/ALAMO
AVE.

0720 PM TSTM WND DMG 5 E TUCSON 32.24N 110.86W
08/28/2010 PIMA AZ LAW ENFORCEMENT

NUMEROUS ARCHING POWER LINE WIRES THROUGH THE CITY

0715 PM LIGHTNING 5 E TUCSON 32.24N 110.86W
08/28/2010 PIMA AZ LAW ENFORCEMENT

NUMEROUS TREE FIRES IN TUCSON DUE TO LIGHTNING.

&&

$$

GL

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KRIW [290254]: Preliminary Local Storm Report

NWUS55 KRIW 290254
LSRRIW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
854 PM MDT SAT AUG 28 2010

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

0834 PM TSTM WND GST 8 E ROCK SPRINGS 41.60N 109.07W
08/28/2010 M60 MPH SWEETWATER WY ASOS

SWEETWATER COUNTY AIRPORT ASOS

&&

$$

AR

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KPSR [290204]: Preliminary Local Storm Report

NWUS55 KPSR 290204
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
704 PM MST SAT AUG 28 2010

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

0630 PM TSTM WND DMG MARICOPA 33.06N 112.05W
08/28/2010 PINAL AZ TRAINED SPOTTER

SPOTTER REPORTS THAT THROUGHOUT MARICOPA AND JUST TO THE
EAST OF THE TOWN, OVER 13 POWER POLES DOWN, NUMEROUS
BUILDINGS WITH ROOF DAMAGE, FALLEN TREES WITH A DIAMETER
OF AS GREAT AS 10 INCHES, AND STREET FLOODING. HE
ESTIMATES THAT MOST OF THE DAMAGE OCCURED BETWEEN 1800
LST AND 1900 LST.

&&

$$

RRICKEY

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KTWC [290203]: Preliminary Local Storm Report

NWUS55 KTWC 290203
LSRTWC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
703 PM MST SAT AUG 28 2010

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

0700 PM TSTM WND DMG TUCSON 32.24N 110.94W
08/28/2010 PIMA AZ OTHER FEDERAL

FIVE TREES UPROOTED AT GOLF LINKS AND SWAN.

&&

$$

HHANSON

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KMLB [290138]: Preliminary Local Storm Report

NWUS52 KMLB 290138
LSRMLB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
938 PM EDT SAT AUG 28 2010

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

0250 PM HIGH SURF 1 S PATRICK AIR FORCE B 28.21N 80.61W
08/28/2010 BREVARD FL NEWSPAPER

FLORIDA TODAY NEWSPAPER REPORTED 40-50 YEAR OLD MALE
SURFER APPARENTLY DROWNED IN ROUGH SURF

&&

$$

LASCODY

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KPSR [290136]: Preliminary Local Storm Report

NWUS55 KPSR 290136
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
636 PM MST SAT AUG 28 2010

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

0555 PM TSTM WND DMG PHOENIX 33.54N 112.07W
08/28/2010 MARICOPA AZ TRAINED SPOTTER

SPOTTER REPORTS POWER POLES DOWN AT 19TH AVE AND DUNLAP,
AND DIME SIZE HAIL AT 19TH AVE AND BETHANY HOME RD.

&&

$$

RRICKEY

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KPSR [290135]: Preliminary Local Storm Report

NWUS55 KPSR 290135
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
635 PM MST SAT AUG 28 2010

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

0626 PM TSTM WND DMG MARICOPA 33.06N 112.05W
08/28/2010 PINAL AZ AMATEUR RADIO

SIX INCH DIAMETER TREES DOWN IN THE SOUTH CENTRAL PART OF
TOWN.

&&

$$

SSIPPLE

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 290100
SWODY1
SPC AC 290058

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0758 PM CDT SAT AUG 28 2010

VALID 290100Z - 291200Z

...NO SVR TSTM AREAS FORECAST...

...AZ...
AHEAD OF THE A DIGGING WESTERN STATES UPPER TROUGH...SCATTERED
STRONG/SEVERE STORMS...INCLUDING SOME MARGINAL SUPERCELL
STRUCTURES...WILL CONTINUE TO POSE A DAMAGING WIND/MARGINAL HAIL
THREAT MAINLY THROUGH THE MID EVENING HOURS ACROSS
SOUTH-CENTRAL/SOUTHEAST AZ. THE 00Z TUCSON OBSERVED RAOB REFLECTED
AROUND 1500 J/KG OF MUCAPE...WITH RELATIVELY STRONG /30-40 KT/ HIGH
LEVEL FLOW NOTED AROUND 8 KM AND ABOVE.

...NORTHERN GREAT DIVIDE/ADJACENT NORTHERN HIGH PLAINS...
CLUSTERS OF TSTMS SHOULD CONTINUE TO TRANSITION NORTHEASTWARD MAINLY
ACROSS CENTRAL/EASTERN WY AND EASTERN MT/WESTERN ND THROUGH THE
NIGHT. WHILE THE BRUNT OF THE SEVERE THREAT HAS WANED ACROSS THE
REGION...THE STRONGEST STORMS WILL STILL REMAIN CAPABLE OF
MARGINALLY SEVERE HAIL AND STRONG WINDS GIVEN STRONG FLOW/STEEP
LAPSE RATES ALOFT.

...CENTRAL GULF COAST...
A BRIEF TORNADO CANNOT BE RULED OUT ACROSS THE REGION IN ASSOCIATION
WITH WEAK/DISORGANIZED LOW PRESSURE OFFSHORE. HOWEVER...SUCH A
THREAT SHOULD REMAIN MARGINAL/ISOLATED IN NATURE BASED ON THE 00Z
NEW ORLEANS OBSERVED RAOB/REGIONAL WSR-88D VWP TRENDS AND LATEST
FORECAST GUIDANCE.

..GUYER.. 08/29/2010

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KPSR [290053]: Preliminary Local Storm Report

NWUS55 KPSR 290053
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
553 PM MST SAT AUG 28 2010

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

0548 PM HAIL PHOENIX 33.54N 112.07W
08/28/2010 E0.50 INCH MARICOPA AZ TRAINED SPOTTER

SPOTTER REPORTS MARBLE SIZE HAIL, 45 MPH WIND GUSTS, AND
VISIBILITY LESS THAN 1/4 MILE IN PRECIPITATION AT 19TH
AVE AND BETHANY HOME RD.

&&

$$

RRICKEY

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KCHS [290048]: Preliminary Local Storm Report...corrected

NWUS52 KCHS 290048
LSRCHS

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHARLESTON SC
847 PM EDT SAT AUG 28 2010

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

0930 AM RIP CURRENTS FOLLY BEACH 32.66N 79.92W
08/28/2010 CHARLESTON SC PARK/FOREST SRVC

A FOLLY BEACH LIFEGUARD REPORTED 1 RIP CURRENT NEAR THE
DUNES HOUSE. THE RIP CURRENT WAS ABOUT 5 FEET WIDE AND 15
FEET LONG.

1000 AM RIP CURRENTS TYBEE ISLAND 32.00N 80.85W
08/28/2010 CHATHAM GA PARK/FOREST SRVC

A TYBEE BEACH LIFEGUARD REPORTED 15 RIP CURRENTS SO FAR
TODAY SINCE 10 AM. MOST RIP CURRENTS ARE OCCURRING
BETWEEN 15TH AND 17TH STREETS. 1 ELEVEN YEAR OLD MALE WAS
RESCUED FROM A RIP CURRENT AT 1042 AM.

1200 PM RIP CURRENTS ISLE OF PALMS 32.79N 79.79W
08/28/2010 CHARLESTON SC COUNTY OFFICIAL

TWO RIP CURRENTS REPORTED BY LIFEGUARDS. ONE FROM 915 TO
945 AM NEAR 23RD ST AND THE SECOND NEAR THE PIER FROM 900
AM TO NOON.

1230 PM RIP CURRENTS EDISTO BEACH 32.49N 80.32W
08/28/2010 COLLETON SC NWS EMPLOYEE

SEVERAL LARGE AND STRONG RIP CURRENTS NEAR THE PAVILLION.
3 TO 4 FOOT BREAKERS WITH AN OCCASIONAL 5 FOOT BREAKER.

0150 PM RIP CURRENTS TYBEE ISLAND 32.00N 80.85W
08/28/2010 CHATHAM GA COUNTY OFFICIAL

NUMEROUS RIP CURRENTS THROUGHOUT THE AFTERNOON. TWO
PEOPLE RESCUED NEAR THE PIER AT 16TH ST. ONE AT 1220 PM
AND THE OTHER AT 150 PM. REPORTED BY LIFEGUARDS.

0430 PM RIP CURRENTS FOLLY BEACH 32.66N 79.92W
08/28/2010 CHARLESTON SC COUNTY OFFICIAL

ONE RESCUED FROM A RIP CURRENT NEAR THE PIER. REPORTED BY
FOLLY BEACH LIFEGUARDS.

0540 PM RIP CURRENTS HUNTING ISLAND 32.37N 80.44W
08/28/2010 BEAUFORT SC PARK/FOREST SRVC

NUMEROUS RIP CURRENTS THROUGHOUT THE DAY. REPORTED BY
HUNTING ISLAND STATE PARK RANGER.

&&

$$

33

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KPSR [290034]: Preliminary Local Storm Report

NWUS55 KPSR 290034
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
534 PM MST SAT AUG 28 2010

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

0518 PM TSTM WND GST 2 NE MARICOPA 33.07N 112.02W
08/28/2010 E45 MPH PINAL AZ TRAINED SPOTTER

TWO TREE LIMBS BLOWN DOWN.

&&

$$

SSIPPLE

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KLCH [290013]: Preliminary Local Storm Report...summary

NWUS54 KLCH 290013
LSRLCH

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
713 PM CDT SAT AUG 28 2010

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

0425 PM MARINE TSTM WIND 27 S BURNS POINT 29.18N 91.53W
08/28/2010 M45.00 MPH GMZ455 LA PUBLIC

REPORT FROM PLATFORM IN EUGENE ISLAND BLOCK 63.

0430 PM MARINE TSTM WIND 37 S BURNS POINT 29.04N 91.45W
08/28/2010 M90.00 MPH GMZ455 LA PUBLIC

REPORT FROM PLATFORM IN EUGENE ISLAND BLOCK 105.

0510 PM MARINE TSTM WIND 46 S BURNS POINT 28.91N 91.46W
08/28/2010 M120 MPH GMZ475 XX PUBLIC

REPORTED BY PLATFORM IN EUGENE ISLAND BLOCK 142.

0515 PM MARINE TSTM WIND 36 S BURNS POINT 29.05N 91.45W
08/28/2010 E70.00 MPH GMZ455 LA PUBLIC

REPORT FROM PLATFORM IN EUGENE ISLAND BLOCK 100.

0520 PM MARINE TSTM WIND 38 S BURNS POINT 29.03N 91.53W
08/28/2010 M53.00 MPH GMZ475 LA PUBLIC

REPORT FROM PLATFORM IN EUGENE ISLAND BLOCK 107.

0530 PM MARINE TSTM WIND 37 S BURNS POINT 29.04N 91.45W
08/28/2010 M55.00 MPH GMZ455 LA PUBLIC

REPORT FROM PLATFOM IN EUGENE ISLAND BLOCK 105.

0655 PM MARINE TSTM WIND 64 S BURNS POINT 28.64N 91.49W
08/28/2010 M41.00 MPH GMZ475 XX AWOS

FAA AWOS ID KEIR ON PLATFORM IN EUGENE ISLAND BLOCK 215

&&

$$

MOGGED

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KLCH [290012]: Preliminary Local Storm Report

NWUS54 KLCH 290012
LSRLCH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
712 PM CDT SAT AUG 28 2010

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

0655 PM MARINE TSTM WIND 64 S BURNS POINT 28.64N 91.49W
08/28/2010 M41 MPH GMZ475 XX AWOS

FAA AWOS ID KEIR ON PLATFORM IN EUGENE ISLAND BLOCK 215

&&

$$

MOGGED

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WATCHES: Severe Thunderstorm Watch - Number 631

WWUS20 KWNS 290003
SEL1
SPC WW 290003
IDZ000-UTZ000-WYZ000-290000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH - NUMBER 631
NWS STORM PREDICTION CENTER NORMAN OK
603 PM MDT SAT AUG 28 2010

THE NWS STORM PREDICTION CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 631 ISSUED AT 1155 AM MDT FOR PORTIONS OF

IDAHO
UTAH
WYOMING

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KPSR [282345]: Preliminary Local Storm Report

NWUS55 KPSR 282345
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
444 PM MST SAT AUG 28 2010

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

0433 PM HAIL 4 N GILBERT 33.39N 111.75W
08/28/2010 E0.50 INCH MARICOPA AZ TRAINED SPOTTER

HALF INCH HAIL REPORTED AT VAL VISTA AND US 60 BY TRAINED
SPOTTER.

0434 PM HAIL 5 N GILBERT 33.40N 111.75W
08/28/2010 E0.50 INCH MARICOPA AZ UNKNOWN

FAMILY OF NWS EMPLOYEE REPORTS HALF INCH HAIL AT VAL
VISTA AND PUEBLO AVE.

&&

$$

PADDOCK

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KTBW [282342]: Preliminary Local Storm Report

NWUS52 KTBW 282342
LSRTBW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
742 PM EDT SAT AUG 28 2010

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

0721 PM MARINE TSTM WIND 3 ENE SAINT PETERSBURG 27.77N 82.62W
08/28/2010 M41 MPH GMZ830 FL ASOS

THE ASOS AT THE ALBERT WHITTED AIRPORT KSPG MEASURED A
WIND GUST OF 36 KNOTS.

&&

$$

JCM

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KMFL [282040]: Preliminary Local Storm Report

NWUS52 KMFL 282040
LSRMFL

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
440 PM EDT SAT AUG 28 2010

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

0428 PM TSTM WND GST FORT LAUDERDALE 26.12N 80.15W
08/28/2010 M43 MPH BROWARD FL ASOS

A WIND GUST OF 37 KNOTS/43 MPH WAS RECORDED AT KFLL AT
428 PM EDT.

&&

$$

GREGORIA

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KVEF [282036]: Preliminary Local Storm Report...corrected

NWUS55 KVEF 282036
LSRVEF

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
135 PM PDT SAT AUG 28 2010

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

0800 PM TSTM WND DMG BULLHEAD CITY 35.15N 114.56W
08/27/2010 MOHAVE AZ LAW ENFORCEMENT

THE BULLHEAD CITY FIRE DEPARTMENT REPORTED SEVERAL
AWNINGS BLEW OFF MOBILE HOMES DUE TO THUNDERSTORM WINDS.
THE TIME OF THIS EVENT IS ESTIMATED.

0800 PM TSTM WND DMG N BULLHEAD CITY (BHCA3) 35.16N 114.56W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

POWER LINES WERE BLOWN DOWN IN BULLHEAD CITY BY WIND
GUSTS ESTIMATED AT 60 KNOTS.

0827 PM HAIL 5 SSW BULLHEAD CITY 35.08N 114.60W
08/27/2010 E1.00 INCH MOHAVE AZ PUBLIC

ONE INCH DIAMETER HAIL WAS REPORTED IN THE WAL-MART
PARKING LOT IN BULLHEAD CITY.

0830 PM FLASH FLOOD 9 SW BIG BEND RAWS 35.03N 114.83W
08/27/2010 SAN BERNARDINO CA TRAINED SPOTTER

US HWY 95 10 MILES SOUTH OF LAUGHLIN CUT-OFF WASHED OUT.
TIME ESTIMATED BASED ON RADAR.

0850 PM FLASH FLOOD 4 SW BULLHEAD CITY 35.12N 114.61W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

THE INTERSECTION OF LAKESIDE AND CLEARWATER WAS FLOODED
OUT, AND OTHER INTERSECTIONS WILL LIKELY BE CLOSED SOON.

0900 PM FLASH FLOOD 4 SSW BULLHEAD CITY 35.09N 114.60W
08/27/2010 MOHAVE AZ NEWSPAPER

WATER AT A LEAST A FOOT DEEP RESULTED IN THE SWIFTWATER
RESCUE OF FIVE PEOPLE ON RIVERVIEW DRIVE.

0900 PM FLASH FLOOD 3 S BULLHEAD CITY 35.11N 114.57W
08/27/2010 MOHAVE AZ NEWSPAPER

DEBRIS WAS REPORTED ON SILVER CREEK ROAD ON TWO EASTBOUND
LANES RESULTING IN A ROAD CLOSURE. THE TIME OF THIS EVENT
WAS ESTIMATED.

0933 PM HAIL 3 SSE HENDERSON 36.00N 114.98W
08/27/2010 E0.88 INCH CLARK NV TRAINED SPOTTER

TWO SPOTTERS IN HENDERSON REPORTED DIME TO NICKEL SIZE
HAIL FELL FOR A SHORT TIME BETWEEN 930 AND 935 PM.

1005 PM TSTM WND GST 5 NE BOULDER CITY 36.03N 114.77W
08/27/2010 M70.00 MPH CLARK NV PARK/FOREST SRVC

THE PARK SERVICE MEASURED A 70 MPH WIND GUST FROM A
THUNDERSTORM AT THE LAS VEGAS BOAT HARBOR ON LAKE MEAD
BEFORE THE ANEMOMETER BROKE. THE TIME OF THIS EVENT IS
ESTIMATED FROM RADAR.

1115 AM NON-TSTM WND GST 3 SSW MERCURY 36.62N 116.02W
08/28/2010 M58.00 MPH NYE NV MESONET

MERCURY A30 MESONET SITE MEASURED A WIND GUST OF 58 MPH
AT AN ELEVATION OF 3304 FEET.

&&

$$

CTS/CM/JJ

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KVEF [282006]: Preliminary Local Storm Report

NWUS55 KVEF 282006
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
106 PM PDT SAT AUG 28 2010

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

1115 AM NON-TSTM WND GST 3 SSW MERCURY 36.62N 116.02W
08/28/2010 M58.00 MPH NYE NV MESONET

MERCURY A30 MESONET SITE MEASURED A WIND GUST OF 58 MPH
AT AN ELEVATION OF 3304 FEET.

&&

$$

STACHELSKI

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 281957
SWODY1
SPC AC 281956

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0256 PM CDT SAT AUG 28 2010

VALID 282000Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF SWRN MT/SERN
ID/WRN WY AND NRN UT...

...SWRN MT/WRN WY/SERN ID/NRN UT...
STRONG TO SEVERE THUNDERSTORMS ARE CURRENTLY ONGOING AND A SEVERE
THUNDERSTORM WATCH IS EFFECT UNTIL 00Z. STORMS SHOULD SHIFT NEWD
THROUGH THE AFTERNOON AND EVENTUALLY INTO MT AS SHORTWAVE TROUGH
EJECTS NEWD FROM SRN ID INTO WRN/CENTRAL MT. WHILE THERE IS A
POTENTIAL OF SEVERE STORMS SPREADING INTO SWRN MT LATER THIS
AFTERNOON...THE THREAT APPEARS LOWER THAN IN CURRENT WW DUE TO DRIER
AND MORE STABLE BOUNDARY LAYER.

...AZ...
DRYING IS EVIDENT IN BOTH WATER VAPOR AND VISIBLE SATELLITE DUE TO
THE FLOW TURNING MOSTLY SWLY/WLY ABOVE THE BOUNDARY LAYER. DUE TO
THE DRIER AIR MASS...STORM COVERAGE SHOULD BE MUCH LESS THAN FRI.
HOWEVER...WITH ANY STORMS THAT DO DEVELOP...STEEPENING LOW LEVEL
LAPSE RATES AND DRIER BOUNDARY LAYER WOULD BE FAVORABLE FOR A FEW
STRONG WIND GUSTS.

...CENTRAL GULF COAST/LOWER MS VALLEY...
VSBY SATELLITE AND SURFACE OBSERVATIONS INDICATE A WEAK SURFACE LOW
PRESSURE SYSTEM WAS LOCATED ABOUT 80 NM SSW OF LFT. THE STRONGEST
LOW LEVEL CONVERGENCE AND MORE VIGOROUS CONVECTION HAS AND IS
GENERALLY EXPECTED TO REMAIN GENERALLY OFFSHORE THROUGH THIS
FORECAST PERIOD. HOWEVER...MOIST BOUNDARY LAYER AND 20 KT LOW LEVEL
SHEAR MIGHT RESULT IN A BRIEF TORNADO OR TWO...ESPECIALLY NEAR THE
IMMEDIATE COASTAL COUNTIES.

..IMY.. 08/28/2010

.PREV DISCUSSION... /ISSUED 1117 AM CDT SAT AUG 28 2010/

...SWRN MT/WRN WY/SERN ID/NRN UT...
EFFECTIVE FRONTAL ZONE HAS STALLED FROM SERN ID SSWWD INTO ERN NV AS
TROUGH CONTINUES TO AMPLIFY FROM WA/OR INTO CA/WRN NV TODAY.
SURFACE LOW ERN NV WILL GRADUALLY DEEPEN AND MOVE INTO SERN ID THIS
EVENING WHILE FRONT ONLY SLOWLY MOVES EWD INTO WRN UT. THE MOIST
MONSOON PLUME IN PLACE FROM AZ NWD THRU UT INTO SERN ID/WRN WY WILL
FUEL POTENTIAL FOR AN ACTIVE THUNDERSTORM PERIOD...IN ADVANCE OF THE
SURFACE LOW AND COLD FRONT. DRYING WILL SPREAD NEWD IN THE STRONG
SWLY FLOW IN ADVANCE OF THE FRONT INTO WRN UT THIS AFTERNOON.
HOWEVER MORE THAN SUFFICIENT INSTABILITY EXPECTED TO BE AVAILABLE
FROM WASATCH FRONT EWD FOR POTENTIAL OF A FEW SEVERE THUNDERSTORMS
GIVEN THE STRENGTH OF THE SHEAR...STEEP LAPSE RATES IN PLACE AHEAD
OF APPROACHING UPPER TROUGH.

THUS HAVE EXPANDED THE SLIGHT RISK SWD INTO NRN UT/SWRN WY FOR THIS
AFTERNOON AND EVENING.

FURTHER N ACROSS SERN ID/NWRN WY INTO SWRN MT...CONDITIONS STILL
APPEAR FAVORABLE FOR STRONG/SEVERE THUNDERSTORMS GIVEN THE POTENTIAL
FOR MLCAPES OF 1000 J/KG...40-50KT OF SHEAR COUPLED WITH STEEP MID
LAPSE RATES. WITH ENHANCED LOW LEVEL SHEAR AHEAD OF THE SURFACE LOW
MOVING INTO SERN ID LATER THIS AFTERNOON...SUPERCELL THUNDERSTORMS
ARE POSSIBLE AND HAVE INCREASED THE POTENTIAL FOR LARGE HAIL
ACCORDINGLY.

...AZ...
OVER THE SWRN DESERTS TODAY SOME LOW LVL MOISTURE WILL LINGER
BENEATH DRYING/STRENGTHENING SW FLOW ALOFT AHEAD OF APPROACHING
TROUGH. HOWEVER BOUNDARY LAYER FLOW REMAINS OUT OF S WRN AZ
PROVIDING A CONTINUED SHALLOW FEED OF MOISTURE THRU THE DAY.
SATELLITE/MODELS DO NOT SUGGEST PRESENCE OF AN UPR LVL FEATURE TO
FOCUS LARGE SCALE ASCENT OVER THE REGION. BUT SETUP APPEARS
POTENTIALLY SUPPORTIVE OF A CONDITIONAL HYBRID-TYPE SVR EVENT...AS
SWLY MID/UPR LVL FLOW WILL BE SUFFICIENT TO SUPPORT A
FEW SUSTAINED STORMS/POSSIBLE SUPERCELLS GIVEN SUFFICIENT LOW LVL
CONVERGENCE TO PRODUCE STRONG UPDRAFTS.

...CNTRL GULF CST/LWR MS VLY...
LOW LVL SHEAR HAS INCREASED SOMEWHAT OVER COASTAL REGIONS OF
LA...MS...AND AL AS WEAK SURFACE LOW REMAINS JUST OF CENTRAL LA
COAST. LOW LVL SPEED/DIRECTIONAL SHEAR SUFFICIENT TO POSE A THREAT
FOR ISOLATED BRIEF TORNADOES GIVEN HI PW OVER REGION AND OBSERVED
LOW LEVEL SHEAR. HOWEVER...WITH THE OVERALL MARGINAL NATURE OF
CONDITIONS WITH NO INTENSIFICATION EXPECTED HAVE OPTED TO REDUCE
TORNADO PROBABILITIES AND REMOVE THE SLIGHT RISK.

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KVEF [281957]: Preliminary Local Storm Report...corrected

NWUS55 KVEF 281957
LSRVEF

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
1257 PM PDT SAT AUG 28 2010

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

0800 PM TSTM WND DMG BULLHEAD CITY 35.15N 114.56W
08/27/2010 MOHAVE AZ LAW ENFORCEMENT

THE BULLHEAD CITY FIRE DEPARTMENT REPORTED SEVERAL
AWNINGS BLEW OFF MOBILE HOMES DUE TO THUNDERSTORM WINDS.
THE TIME OF THIS EVENT IS ESTIMATED.

0800 PM TSTM WND DMG N BULLHEAD CITY (BHCA3) 35.16N 114.56W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

POWER LINES WERE BLOWN DOWN IN BULLHEAD CITY BY WIND
GUSTS ESTIMATED AT 60 KNOTS.

0805 PM TSTM WND GST 5 NE BOULDER CITY 36.03N 114.77W
08/27/2010 M70.00 MPH CLARK NV PARK/FOREST SRVC

THE PARK SERVICE MEASURED A 70 MPH WIND GUST FROM A
THUNDERSTORM AT THE LAS VEGAS BOAT HARBOR ON LAKE MEAD
BEFORE THE ANEMOMETER BROKE. THE TIME OF THIS EVENT IS
ESTIMATED FROM RADAR.

0827 PM HAIL 5 SSW BULLHEAD CITY 35.08N 114.60W
08/27/2010 E1.00 INCH MOHAVE AZ PUBLIC

ONE INCH DIAMETER HAIL WAS REPORTED IN THE WAL-MART
PARKING LOT IN BULLHEAD CITY.

0830 PM FLASH FLOOD 9 SW BIG BEND RAWS 35.03N 114.83W
08/27/2010 SAN BERNARDINO CA TRAINED SPOTTER

US HWY 95 10 MILES SOUTH OF LAUGHLIN CUT-OFF WASHED OUT.
TIME ESTIMATED BASED ON RADAR.

0850 PM FLASH FLOOD 4 SW BULLHEAD CITY 35.12N 114.61W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

THE INTERSECTION OF LAKESIDE AND CLEARWATER WAS FLOODED
OUT, AND OTHER INTERSECTIONS WILL LIKELY BE CLOSED SOON.

0900 PM FLASH FLOOD 3 S BULLHEAD CITY 35.11N 114.57W
08/27/2010 MOHAVE AZ NEWSPAPER

DEBRIS WAS REPORTED ON SILVER CREEK ROAD ON TWO EASTBOUND
LANES RESULTING IN A ROAD CLOSURE. THE TIME OF THIS EVENT
WAS ESTIMATED.

0900 PM FLASH FLOOD 4 SSW BULLHEAD CITY 35.09N 114.60W
08/27/2010 MOHAVE AZ NEWSPAPER

WATER AT A LEAST A FOOT DEEP RESULTED IN THE SWIFTWATER
RESCUE OF FIVE PEOPLE ON RIVERVIEW DRIVE.

0933 PM HAIL 3 SSE HENDERSON 36.00N 114.98W
08/27/2010 E0.88 INCH CLARK NV TRAINED SPOTTER

TWO SPOTTERS IN HENDERSON REPORTED DIME TO NICKEL SIZE
HAIL FELL FOR A SHORT TIME BETWEEN 930 AND 935 PM.

&&

$$

CTS/CM/JJ

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KPIH [281949]: Preliminary Local Storm Report

NWUS55 KPIH 281949
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
149 PM MDT SAT AUG 28 2010

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

0148 PM HAIL 1 W VICTOR 43.60N 111.13W
08/28/2010 M0.50 INCH TETON ID TRAINED SPOTTER

&&

$$

PANGEL

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KVEF [281940]: Preliminary Local Storm Report...summary

NWUS55 KVEF 281940
LSRVEF

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAS VEGAS NV
1240 PM PDT SAT AUG 28 2010

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

0800 PM TSTM WND DMG BULLHEAD CITY 35.15N 114.56W
08/27/2010 MOHAVE AZ LAW ENFORCEMENT

THE BULLHEAD CITY FIRE DEPARTMENT REPORTED SEVERAL
AWNINGS BLEW OFF MOBILE HOMES DUE TO THUNDERSTORM WINDS.
THE TIME OF THIS EVENT IS ESTIMATED.

0800 PM TSTM WND DMG N BULLHEAD CITY (BHCA3) 35.16N 114.56W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

POWER LINES WERE BLOWN DOWN IN BULLHEAD CITY BY WIND
GUSTS ESTIMATED AT 60 KNOTS.

0805 PM TSTM WND GST 5 NE BOULDER CITY 36.03N 114.77W
08/27/2010 E70.00 MPH CLARK NV PARK/FOREST SRVC

THE PARK SERVICE MEASURED A 70 MPH WIND GUST FROM A
THUNDERSTORM AT THE LAS VEGAS BOAT HARBOR ON LAKE MEAD
BEFORE THE ANEMOMETER BROKE. THE TIME OF THIS EVENT IS
ESTIMATED FROM RADAR.

0827 PM HAIL 5 SSW BULLHEAD CITY 35.08N 114.60W
08/27/2010 E1.00 INCH MOHAVE AZ PUBLIC

ONE INCH DIAMETER HAIL WAS REPORTED IN THE WAL-MART
PARKING LOT IN BULLHEAD CITY.

0830 PM FLASH FLOOD 9 SW BIG BEND RAWS 35.03N 114.83W
08/27/2010 SAN BERNARDINO CA TRAINED SPOTTER

US HWY 95 10 MILES SOUTH OF LAUGHLIN CUT-OFF WASHED OUT.
TIME ESTIMATED BASED ON RADAR.

0850 PM FLASH FLOOD 4 SW BULLHEAD CITY 35.12N 114.61W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

THE INTERSECTION OF LAKESIDE AND CLEARWATER WAS FLOODED
OUT, AND OTHER INTERSECTIONS WILL LIKELY BE CLOSED SOON.

0900 PM FLASH FLOOD 3 S BULLHEAD CITY 35.11N 114.57W
08/27/2010 MOHAVE AZ NEWSPAPER

DEBRIS WAS REPORTED ON SILVER CREEK ROAD ON TWO EASTBOUND
LANES RESULTING IN A ROAD CLOSURE. THE TIME OF THIS EVENT
WAS ESTIMATED.

0900 PM FLASH FLOOD 4 SSW BULLHEAD CITY 35.09N 114.60W
08/27/2010 MOHAVE AZ NEWSPAPER

WATER AT A LEAST A FOOT DEEP RESULTED IN THE SWIFTWATER
RESCUE OF FIVE PEOPLE ON RIVERVIEW DRIVE.

0933 PM HAIL 3 SSE HENDERSON 36.00N 114.98W
08/27/2010 E0.88 INCH CLARK NV TRAINED SPOTTER

TWO SPOTTERS IN HENDERSON REPORTED DIME TO NICKEL SIZE
HAIL FELL FOR A SHORT TIME BETWEEN 930 AND 935 PM.

&&
THIS IS AN UPDATED LIST OF EVENTS FROM FRIDAY EVENING'S
THUNDERSTORMS
IN THE MOJAVE DESERT.
$$

CTS/CM/JJ

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KPIH [281937]: Preliminary Local Storm Report

NWUS55 KPIH 281937
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
137 PM MDT SAT AUG 28 2010

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

0136 PM HAIL 6 SSE LORENZO 43.66N 111.82W
08/28/2010 E1.00 INCH JEFFERSON ID TRAINED SPOTTER

&&

$$

PANGEL

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KHNX [281929]: Preliminary Local Storm Report

NWUS56 KHNX 281929
LSRHNX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
1229 PM PDT SAT AUG 28 2010

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

0614 AM NON-TSTM WND GST 18 W LOS BANOS 37.06N 121.16W
08/28/2010 M53 MPH MERCED CA MESONET

PACHECO PASS MESONET

&&

$$

JBRO

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 281802
SWODY2
SPC AC 281800

DAY 2 CONVECTIVE OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0100 PM CDT SAT AUG 28 2010

VALID 291200Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

CORRECTED PROBABILITY GRAPHIC

...SYNOPSIS...
OVERALL SYNOPTIC PATTERN WILL CHANGE LITTLE ON SUNDAY WITH LARGE
UPPER RIDGE OVER THE EAST AND AN UNSEASONABLY DEEP TROUGH IN THE
WEST. IN BETWEEN THESE TWO SYSTEMS...CURRENT AND PAST MODELS HAVE
BEEN CONSISTENT IN LIFTING AN IMPULSE OVER THE NRN GULF NWD AROUND
THE WRN PERIPHERY OF THE ERN U.S. RIDGE...THOUGH PAST MODEL TRENDS
HAVE BEEN TOO FAST IN MOVING THIS FEATURE NWD.

...EASTERN GREAT BASIN/SOUTHERN PLATEAU...
ALTHOUGH WV IMAGERY INDICATES SOME DRYING WILL BE SPREADING EWD
ACROSS THE REGION FROM THE WEST TODAY...UPPER IMPULSE OVER NRN CA IS
FORECAST TO DIG SEWD INTO THE BASE OF THE LONGWAVE TROUGH OVER SRN
NV/CA BY LATE SUNDAY. ALTHOUGH PLUME OF TROPICAL MOISTURE WILL BE
SHUNTED EAST OF THE REGION DUE TO THE STRENGTHENING SWLY FLOW
ALOFT...THE SRN NV/CA SYSTEM SHOULD PROVIDE SUFFICIENT LIFT AND
MOISTENING OF MID/HIGH LEVELS FOR AT LEAST WIDELY SCATTERED
THUNDERSTORM DEVELOPMENT. THE COMBINATION OF STEEP LOW LEVEL LAPSE
RATES AND 40-50 KT SWLY MID LEVEL WINDS INDICATE A POTENTIAL FOR
STORMS WITH STRONG GUSTY WINDS DURING THE LATE AFTERNOON/EVENING
HOURS.

...LOWER/MID MS VALLEY/SERN STATES...
AS UPPER LOW GRADUALLY SHIFTS SLOWLY NWD THROUGH THE LOWER MS
VALLEY...A VERY MOIST AIR MASS SHOULD CONTINUE SPREADING NWD INTO
THE MID MS VALLEY. GIVEN THE TROPICAL NATURE OF THIS SYSTEM...
CONVECTION IS MOST LIKELY NEAR THE LOW/MID LEVEL LOW CENTER DURING
THE MORNING...SRN LA/MS...WITH THE CONVECTION DEVELOPING OUTWARD
FROM THE CENTER DURING THE DAY AS HEATING AND GREATER
DESTABILIZATION OCCURS. STORMS ARE ALSO POSSIBLE ACROSS THE SERN
STATES ALONG AND SOUTH OF A FRONT/DEWPOINT DISCONTINUITY FROM WRN TN
SEWD INTO SRN GA.

GIVEN PW VALUES AROUND 2 INCHES AND THE VERY WARM MOIST BOUNDARY
LAYER... AN AFTERNOON WET MICROBURST HERE OR THERE CAN NOT BE RULED
OUT. HOWEVER...MOIST ADIABATIC LOW/MID LEVEL LAPSE RATES AND WEAK
SHEAR SUGGESTS THE VERY ISOLATED THREAT ACROSS THE LARGE AREA IS TOO
LOW FOR 5% WIND PROBABILITIES.

..IMY.. 08/28/2010

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WATCHES: Severe Thunderstorm Watch Number 631

WWUS20 KWNS 281754
SEL1
SPC WW 281754
IDZ000-UTZ000-WYZ000-290000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 631
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM MDT SAT AUG 28 2010

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

PARTS OF SOUTHEAST IDAHO
NORTHERN UTAH
MUCH OF WESTERN WYOMING

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1155 AM UNTIL
600 PM MDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF
CODY WYOMING TO 45 MILES EAST SOUTHEAST OF DUGWAY UTAH. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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...STORMS EXPECTED TO DEVELOP RAPIDLY ACROSS THE WATCH AS
AIR MASS HAS BECOME MDTLY UNSTABLE WITH LITTLE REMAINING CONVECTIVE
INHIBITION. WITH 40-50 KT OF SHEAR...STEEP MID LEVEL LAPSE RATES
AND MLCAPES AOA 1200 J/KG...SEVERE THUNDERSTORMS INCLUDING POSSIBLE
SUPERCELLS ARE LIKELY. PRIMARY THREAT WILL BE STRONG/DAMAGING WINDS
ENHANCED BY THE EXISTING GRADIENT WINDS ALONG WITH LARGE HAIL.
SEVERE THREAT WILL BE GREATEST WITH ANY SUPERCELL THAT DEVELOPS
INCLUDING POSSIBILITY OF A BRIEF TORNADO.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 23035.

...HALES

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MESO: Mesoscale Discussion 1749

ACUS11 KWNS 281735
SWOMCD
SPC MCD 281735
WYZ000-UTZ000-MTZ000-IDZ000-281900-

MESOSCALE DISCUSSION 1749
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM CDT SAT AUG 28 2010

AREAS AFFECTED...ID UT WY

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 281735Z - 281900Z

SLC 12Z RAOB ADJUSTED FOR CURRENT CONDITIONS OF 81F TEMP AND 51F
DEWPOINT YIELDS MLCAPE IN EXCESS OF 1000 J/KG AND LITTLE INHIBITION.
SITUATION FROM NRN UT ACROSS SERN ID AND INTO WRN WY APPEARS
SUPPORTIVE OF RAPID TSTM DEVELOPMENT OVER THE NEXT FEW HOURS. THIS
DEVELOPMENT WILL BE FURTHER SUPPORTED BY STRONG LOW LEVEL
CONVERGENCE /CYCLOGENESIS/ AS A LARGE UPPER TROUGH APPROACHES THE
REGION FROM THE WEST. CLOUD-BEARING SHEAR OF 40-50KT WILL PROMOTE
PERSISTENT STORM UPDRAFTS AND STORM ORGANIZATION WITH FAST-MOVING
LINE SEGMENTS AND PERHAPS A COUPLE OF SUPERCELL STORMS PRODUCING
DAMAGING WINDS AND ALSO HAIL. THUS A WATCH WILL BE COORDINATED FOR
THE AREA SHORTLY.

..CARBIN.. 08/28/2010

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

ATTN...WFO...RIW...GJT...TFX...SLC...PIH...

LAT...LON 42170879 40221065 39611140 40101255 41141319 42201332
42901319 43951292 44431229 44641124 44491023 44080916
42170879

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KPSR [281718]: Preliminary Local Storm Report...corrected

NWUS55 KPSR 281718
LSRPSR

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PHOENIX AZ
1018 AM MST SAT AUG 28 2010

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

0530 PM TSTM WND GST 10 WNW TYSON 32.86N 114.03W
08/27/2010 M63.00 MPH YUMA AZ OTHER FEDERAL

SEVERAL POWER POLES KNOCKED DOWN. 0.70 INCHES OF RAIN
MEASURED.

&&

$$

LEINS

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KPSR [281718]: Preliminary Local Storm Report

NWUS55 KPSR 281718
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
1017 AM MST SAT AUG 28 2010

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

0530 AM TSTM WND GST 10 WNW TYSON 32.86N 114.03W
08/27/2010 M63 MPH YUMA AZ OTHER FEDERAL

SEVERAL POWER POLES KNOCKED DOWN. 0.70 INCHES OF RAIN
MEASURED.

&&

$$

LEINS

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 281715
SWODY2
SPC AC 281714

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1214 PM CDT SAT AUG 28 2010

VALID 291200Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
OVERALL SYNOPTIC PATTERN WILL CHANGE LITTLE ON SUNDAY WITH LARGE
UPPER RIDGE OVER THE EAST AND AN UNSEASONABLY DEEP TROUGH IN THE
WEST. IN BETWEEN THESE TWO SYSTEMS...CURRENT AND PAST MODELS HAVE
BEEN CONSISTENT IN LIFTING AN IMPULSE OVER THE NRN GULF NWD AROUND
THE WRN PERIPHERY OF THE ERN U.S. RIDGE...THOUGH PAST MODEL TRENDS
HAVE BEEN TOO FAST IN MOVING THIS FEATURE NWD.

...EASTERN GREAT BASIN/SOUTHERN PLATEAU...
ALTHOUGH WV IMAGERY INDICATES SOME DRYING WILL BE SPREADING EWD
ACROSS THE REGION FROM THE WEST TODAY...UPPER IMPULSE OVER NRN CA IS
FORECAST TO DIG SEWD INTO THE BASE OF THE LONGWAVE TROUGH OVER SRN
NV/CA BY LATE SUNDAY. ALTHOUGH PLUME OF TROPICAL MOISTURE WILL BE
SHUNTED EAST OF THE REGION DUE TO THE STRENGTHENING SWLY FLOW
ALOFT...THE SRN NV/CA SYSTEM SHOULD PROVIDE SUFFICIENT LIFT AND
MOISTENING OF MID/HIGH LEVELS FOR AT LEAST WIDELY SCATTERED
THUNDERSTORM DEVELOPMENT. THE COMBINATION OF STEEP LOW LEVEL LAPSE
RATES AND 40-50 KT SWLY MID LEVEL WINDS INDICATE A POTENTIAL FOR
STORMS WITH STRONG GUSTY WINDS DURING THE LATE AFTERNOON/EVENING
HOURS.

...LOWER/MID MS VALLEY/SERN STATES...
AS UPPER LOW GRADUALLY SHIFTS SLOWLY NWD THROUGH THE LOWER MS
VALLEY...A VERY MOIST AIR MASS SHOULD CONTINUE SPREADING NWD INTO
THE MID MS VALLEY. GIVEN THE TROPICAL NATURE OF THIS SYSTEM...
CONVECTION IS MOST LIKELY NEAR THE LOW/MID LEVEL LOW CENTER DURING
THE MORNING...SRN LA/MS...WITH THE CONVECTION DEVELOPING OUTWARD
FROM THE CENTER DURING THE DAY AS HEATING AND GREATER
DESTABILIZATION OCCURS. STORMS ARE ALSO POSSIBLE ACROSS THE SERN
STATES ALONG AND SOUTH OF A FRONT/DEWPOINT DISCONTINUITY FROM WRN TN
SEWD INTO SRN GA.

GIVEN PW VALUES AROUND 2 INCHES AND THE VERY WARM MOIST BOUNDARY
LAYER... AN AFTERNOON WET MICROBURST HERE OR THERE CAN NOT BE RULED
OUT. HOWEVER...MOIST ADIABATIC LOW/MID LEVEL LAPSE RATES AND WEAK
SHEAR SUGGESTS THE VERY ISOLATED THREAT ACROSS THE LARGE AREA IS TOO
LOW FOR 5% WIND PROBABILITIES.

..IMY.. 08/28/2010

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KCHS [281639]: Preliminary Local Storm Report...corrected

NWUS52 KCHS 281639
LSRCHS

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHARLESTON SC
1238 PM EDT SAT AUG 28 2010

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

1217 PM WATER SPOUT 6 SE KIAWAH ISLAND 32.56N 80.00W
08/28/2010 AMZ350 SC PUBLIC

THE PUBLIC REPORTED A WATER SPOUT OFF OF KIAWAH ISLAND
BEACH. THE WATER SPOUT LASTED FOR ABOUT 15 MINUTES.

&&

$$

DPB

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KCHS [281632]: Preliminary Local Storm Report

NWUS52 KCHS 281632
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1232 PM EDT SAT AUG 28 2010

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

1225 PM FUNNEL CLOUD 3 E KIAWAH ISLAND 32.61N 80.03W
08/28/2010 AMZ350 SC PARK/FOREST SRVC

LIFEGUARDS AT KIAWAH ISLAND REPORTED A LOWERING FUNNEL
CLOUD ABOUT 3 MILES OFFSHORE.

&&

$$

JAQ

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KCHS [281632]: Preliminary Local Storm Report

NWUS52 KCHS 281632
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1231 PM EDT SAT AUG 28 2010

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

1228 PM WATER SPOUT 5 SE KIAWAH ISLAND 32.56N 80.01W
08/28/2010 AMZ350 SC PARK/FOREST SRVC

FOLLY BEACH LIFEGUARDS REPORTED A 3RD WATER SPOUT 4 TO 5
MILES SOUTH OF FOLLY BEACH COUNTY PARK.

&&

$$

DPB

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KCHS [281628]: Preliminary Local Storm Report

NWUS52 KCHS 281628
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1227 PM EDT SAT AUG 28 2010

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

1217 PM WATER SPOUT KIAWAH ISLAND 32.61N 80.08W
08/28/2010 CHARLESTON SC PUBLIC

THE PUBLIC REPORTED A WATER SPOUT OFF OF KIAWAH ISLAND
BEACH. THE WATER SPOUT LASTED FOR ABOUT 15 MINUTES.

&&

$$

DPB

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KCHS [281624]: Preliminary Local Storm Report

NWUS52 KCHS 281624
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1223 PM EDT SAT AUG 28 2010

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

1210 PM WATER SPOUT 5 SSW FOLLY BEACH 32.59N 79.96W
08/28/2010 AMZ350 SC PARK/FOREST SRVC

FOLLY BEACH LIFEGUARDS REPORTED 2 WATER SPOUTS ABOUT 4 TO
5 MILES SOUTH OF FOLLY BEACH.

&&

$$

DPB

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 281619
SWODY1
SPC AC 281617

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1117 AM CDT SAT AUG 28 2010

VALID 281630Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS PARTS OF SOUTHWESTERN MT/SERN
ID/WRN WY AND NRN UT...

...SWRN MT/WRN WY/SERN ID/NRN UT...
EFFECTIVE FRONTAL ZONE HAS STALLED FROM SERN ID SSWWD INTO ERN NV AS
TROUGH CONTINUES TO AMPLIFY FROM WA/OR INTO CA/WRN NV TODAY.
SURFACE LOW ERN NV WILL GRADUALLY DEEPEN AND MOVE INTO SERN ID THIS
EVENING WHILE FRONT ONLY SLOWLY MOVES EWD INTO WRN UT. THE MOIST
MONSOON PLUME IN PLACE FROM AZ NWD THRU UT INTO SERN ID/WRN WY WILL
FUEL POTENTIAL FOR AN ACTIVE THUNDERSTORM PERIOD...IN ADVANCE OF THE
SURFACE LOW AND COLD FRONT. DRYING WILL SPREAD NEWD IN THE STRONG
SWLY FLOW IN ADVANCE OF THE FRONT INTO WRN UT THIS AFTERNOON.
HOWEVER MORE THAN SUFFICIENT INSTABILITY EXPECTED TO BE AVAILABLE
FROM WASATCH FRONT EWD FOR POTENTIAL OF A FEW SEVERE THUNDERSTORMS
GIVEN THE STRENGTH OF THE SHEAR...STEEP LAPSE RATES IN PLACE AHEAD
OF APPROACHING UPPER TROUGH.

THUS HAVE EXPANDED THE SLIGHT RISK SWD INTO NRN UT/SWRN WY FOR THIS
AFTERNOON AND EVENING.

FURTHER N ACROSS SERN ID/NWRN WY INTO SWRN MT...CONDITIONS STILL
APPEAR FAVORABLE FOR STRONG/SEVERE THUNDERSTORMS GIVEN THE POTENTIAL
FOR MLCAPES OF 1000 J/KG...40-50KT OF SHEAR COUPLED WITH STEEP MID
LAPSE RATES. WITH ENHANCED LOW LEVEL SHEAR AHEAD OF THE SURFACE LOW
MOVING INTO SERN ID LATER THIS AFTERNOON...SUPERCELL THUNDERSTORMS
ARE POSSIBLE AND HAVE INCREASED THE POTENTIAL FOR LARGE HAIL
ACCORDINGLY.

...AZ...
OVER THE SWRN DESERTS TODAY SOME LOW LVL MOISTURE WILL LINGER
BENEATH DRYING/STRENGTHENING SW FLOW ALOFT AHEAD OF APPROACHING
TROUGH. HOWEVER BOUNDARY LAYER FLOW REMAINS OUT OF S WRN AZ
PROVIDING A CONTINUED SHALLOW FEED OF MOISTURE THRU THE DAY.
SATELLITE/MODELS DO NOT SUGGEST PRESENCE OF AN UPR LVL FEATURE TO
FOCUS LARGE SCALE ASCENT OVER THE REGION. BUT SETUP APPEARS
POTENTIALLY SUPPORTIVE OF A CONDITIONAL HYBRID-TYPE SVR EVENT...AS
SWLY MID/UPR LVL FLOW WILL BE SUFFICIENT TO SUPPORT A
FEW SUSTAINED STORMS/POSSIBLE SUPERCELLS GIVEN SUFFICIENT LOW LVL
CONVERGENCE TO PRODUCE STRONG UPDRAFTS.

...CNTRL GULF CST/LWR MS VLY...
LOW LVL SHEAR HAS INCREASED SOMEWHAT OVER COASTAL REGIONS OF
LA...MS...AND AL AS WEAK SURFACE LOW REMAINS JUST OF CENTRAL LA
COAST. LOW LVL SPEED/DIRECTIONAL SHEAR SUFFICIENT TO POSE A THREAT
FOR ISOLATED BRIEF TORNADOES GIVEN HI PW OVER REGION AND OBSERVED
LOW LEVEL SHEAR. HOWEVER...WITH THE OVERALL MARGINAL NATURE OF
CONDITIONS WITH NO INTENSIFICATION EXPECTED HAVE OPTED TO REDUCE
TORNADO PROBABILITIES AND REMOVE THE SLIGHT RISK.

..HALES/HURLBUT.. 08/28/2010

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KCHS [281606]: Preliminary Local Storm Report

NWUS52 KCHS 281606
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1205 PM EDT SAT AUG 28 2010

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

1000 AM RIP CURRENTS TYBEE ISLAND 32.00N 80.85W
08/28/2010 CHATHAM GA PARK/FOREST SRVC

A TYBEE BEACH LIFEGUARD REPORTED 15 RIP CURRENTS SO FAR
TODAY SINCE 10 AM. MOST RIP CURRENTS ARE OCCURRING
BETWEEN 15TH AND 17TH STREETS. 1 ELEVEN YEAR OLD MALE WAS
RESCUED FROM A RIP CURRENT AT 1042 AM.

&&

$$

DPB

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KBMX [281601]: Preliminary Local Storm Report

NWUS54 KBMX 281601
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1101 AM CDT SAT AUG 28 2010

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

0540 PM TSTM WND DMG 2 ENE BRENT 32.95N 87.13W
08/27/2010 BIBB AL EMERGENCY MNGR

TREES DOWN ON A MOBILE HOME ON FAIR AVENUE IN
CENTREVILLE...ONE AS LARGE AS 24 INCHES IN DIAMETER. NO
INJURIES REPORTED. ESTIMATED 45 MPH WIND GUST. TIME
ESTIMATED FROM RADAR.

&&

$$

GGOGGINS

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KBMX [281556]: Preliminary Local Storm Report

NWUS54 KBMX 281556
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1056 AM CDT SAT AUG 28 2010

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

0540 PM TSTM WND DMG 1 ENE BRENT 32.94N 87.14W
08/27/2010 BIBB AL EMERGENCY MNGR

A FEW TREES DOWN ON A HOUSE...INCLUDING A LIMB THAT WAS
24 INCHES IN DIAMETER. ESTIMATED 45 MPH WIND GUST. TIME
ESTIMATED FROM RADAR.

&&

$$

GGOGGINS

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KCHS [281546]: Preliminary Local Storm Report

NWUS52 KCHS 281546
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1146 AM EDT SAT AUG 28 2010

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

0930 AM RIP CURRENTS FOLLY BEACH 32.66N 79.92W
08/28/2010 CHARLESTON SC PARK/FOREST SRVC

A FOLLY BEACH LIFEGUARD REPORTED 1 RIP CURRENT NEAR THE
DUNES HOUSE. THE RIP CURRENT WAS ABOUT 5 FEET WIDE AND 15
FEET LONG.

&&

$$

DPB

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KPIH [281543]: Preliminary Local Storm Report

NWUS55 KPIH 281543
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
942 AM MDT SAT AUG 28 2010

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

0905 AM HAIL PALISADES 43.35N 111.22W
08/28/2010 M0.50 INCH BONNEVILLE ID TRAINED SPOTTER

TIME BASED ON RADAR. SOLID HAIL FOR 3 OR 4 MINUTES THEN
MIXED WITH HEAVY RAIN.

&&

$$

JKEYES

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KVEF [281531]: Preliminary Local Storm Report...corrected

NWUS55 KVEF 281531
LSRVEF

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
830 AM PDT SAT AUG 28 2010

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

0800 PM TSTM WND DMG BULLHEAD CITY 35.15N 114.56W
08/27/2010 MOHAVE AZ LAW ENFORCEMENT

THE BULLHEAD CITY FIRE DEPARTMENT REPORTED SEVERAL
AWNINGS BLEW OFF MOBILE HOMES DUE TO THUNDERSTORM WINDS.
THE TIME OF THIS EVENT IS ESTIMATED.

0800 PM TSTM WND DMG N BULLHEAD CITY (BHCA3) 35.16N 114.56W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

POWER LINES WERE BLOWN DOWN IN BULLHEAD CITY BY WIND
GUSTS ESTIMATED AT 60 KNOTS.

0827 PM HAIL 5 SSW BULLHEAD CITY 35.08N 114.60W
08/27/2010 E1.00 INCH MOHAVE AZ PUBLIC

ONE INCH DIAMETER HAIL WAS REPORTED IN THE WAL-MART
PARKING LOT IN BULLHEAD CITY.

0830 PM FLASH FLOOD 9 SW BIG BEND RAWS 35.03N 114.83W
08/27/2010 SAN BERNARDINO CA TRAINED SPOTTER

US HWY 95 10 MILES SOUTH OF LAUGHLIN CUT-OFF WASHED OUT.
TIME ESTIMATED BASED ON RADAR.

0850 PM FLASH FLOOD 4 SW BULLHEAD CITY 35.12N 114.61W
08/27/2010 MOHAVE AZ TRAINED SPOTTER

THE INTERSECTION OF LAKESIDE AND CLEARWATER WAS FLOODED
OUT, AND OTHER INTERSECTIONS WILL LIKELY BE CLOSED SOON.

0900 PM FLASH FLOOD 3 S BULLHEAD CITY 35.11N 114.57W
08/27/2010 MOHAVE AZ NEWSPAPER

DEBRIS WAS REPORTED ON SILVER CREEK ROAD ON TWO EASTBOUND
LANES RESULTING IN A ROAD CLOSURE. THE TIME OF THIS EVENT
WAS ESTIMATED.

0900 PM FLASH FLOOD 4 SSW BULLHEAD CITY 35.09N 114.60W
08/27/2010 MOHAVE AZ NEWSPAPER

WATER AT A LEAST A FOOT DEEP RESULTED IN THE SWIFTWATER
RESCUE OF FIVE PEOPLE ON RIVERVIEW DRIVE.

0933 PM HAIL 3 SSE HENDERSON 36.00N 114.98W
08/27/2010 E0.88 INCH CLARK NV TRAINED SPOTTER

TWO SPOTTERS IN HENDERSON REPORTED DIME TO NICKEL SIZE
HAIL FELL FOR A SHORT TIME BETWEEN 930 AND 935 PM.

&&
THIS IS AN UPDATED SUMMARY OF EVENTS FROM FRIDAY EVENING'S
THUNDERSTORMS IN THE MOJAVE DESERT INCLUDING LATE REPORTS.
$$

CTS/CM/JJ

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DAY1SVR: Day 1 Convective Outlook Corr 1

ACUS01 KWNS 281325
SWODY1
SPC AC 281323

DAY 1 CONVECTIVE OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0823 AM CDT SAT AUG 28 2010

VALID 281300Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE NRN RCKYS AND
ADJACENT HI PLNS...

...THERE IS A SLGT RISK OF SVR TSTMS ALONG THE CNTRL GULF CST...

CORRECTED TO ADD SMALL 5 PCT AREA TO CORRESPOND WITH GULF COAST SLGT
AREA.

...SYNOPSIS...
TROUGH WILL FURTHER AMPLIFY OVER THE WRN STATES THIS PERIOD AS
STRONG VORT MAX NOW ENTERING NRN CA CONTINUES SE AND PHASES WITH
EXISTING TROUGH OVER THE NRN INTERMOUNTAIN REGION. EWD MOTION OF
THE TROUGH WILL...HOWEVER...BE SLOW GIVEN CONTINUING PRESENCE OF
STRONG RIDGE IN THE EAST. FRONTAL ZONE ASSOCIATED WITH THE
TROUGH...NOW EXTENDING FROM THE NRN PLNS SW INTO CNTRL CA....SHOULD
BUCKLE OVER THE ERN GRT BASIN TODAY AS A SFC WAVE FORMS OVER NE
NV/SRN ID/NRN UT AHEAD OF CA VORT. THIS WAVE SHOULD REFORM OVER THE
NRN HI PLNS EARLY SUN.

FARTHER SE...SATELLITE AND SFC/UPR AIR DATA SHOW AN AREA OF LOW
PRESSURE CONTINUING TO SLOWLY DEVELOP OVER THE CNTRL GULF CST. THIS
FEATURE IS FORECAST TO DRIFT SLOWLY N AS UPR RIDGE BUILDS ALONG THE
E CST.

...NRN RCKYS/NRN HI PLNS...
MOISTURE EXPECTED TO REMAIN COMPARATIVELY LIMITED /PW AROUND 0.75
INCH/ OVER THE NRN RCKYS TODAY INVOF DEVELOPING SFC WAVE. SOMEWHAT
GREATER MOISTURE /PW AOA 1.00 INCH/ MAY APPEAR BY EVE OVER THE ERN
HALF OF MT. OTHERWISE...AN AREA OF RICHER MOISTURE SHOULD PERSIST
FARTHER S OVER AZ AND WRN NM.

STRENGTHENING SW FLOW ALOFT AHEAD OF AMPLIFYING UPR TROUGH SHOULD
SUPPORT A GRADUAL EWD SHIFT OF MID/UPR LVL MOISTURE PLUME.
HOWEVER...FLOW MAY REMAIN SUFFICIENTLY SLY E OF SFC WAVE TO ALLOW
ENOUGH MOISTURE /SFC DEWPOINTS IN THE UPR 40S F/ TO SPREAD NEWD AND
SUPPORT LATE AFTN/EVE STORMS OVER ERN ID...SW MT AND POSSIBLY NW WY.
STRONG SFC HEATING SHOULD BOOST SBCAPE TO AOB 500 J/KG.
COUPLED WITH INCREASING UPR DIVERGENCE WITH UPR TROUGH/SETUP MAY
SUPPORT INCREASING STORM COVERAGE THROUGH MID/LATE EVE ALONG AND N
OF SFC FRONT INTO CNTRL MT.

45-50 KT DEEP SSWLY SHEAR COULD YIELD A FEW CLUSTERS OF SUSTAINED
STORMS AND POSSIBLY SUPERCELLS WITH A RISK FOR DMGG WINDS AND HAIL.

...AZ...
COMPLEX SETUP OVER THE SWRN DESERTS TODAY AS SOME LOW LVL MOISTURE
LIKELY WILL LINGER BENEATH DRYING/STRENGTHENING SW FLOW ALOFT AHEAD
OF APPROACHING TROUGH. SATELLITE/MODELS DO NOT SUGGEST PRESENCE OF
AN UPR LVL FEATURE TO FOCUS LARGE SCALE ASCENT OVER THE REGION. BUT
SETUP APPEARS POTENTIALLY SUPPORTIVE OF A CONDITIONAL HYBRID-TYPE
SVR EVENT...AS SWLY MID/UPR LVL FLOW WILL BE SUFFICIENT TO SUPPORT A
FEW SUSTAINED STORMS/POSSIBLE SUPERCELLS GIVEN SUFFICIENT LOW LVL
CONVERGENCE TO PRODUCE STRONG UPDRAFTS. ATTM BELIEVE THIS THREAT
WILL BE GREATEST OVER CNTRL/NRN PARTS OF THE STATE LATE THIS AFTN
AND EVE...ALONG AND N OF THE RIM.

...CNTRL GULF CST/LWR MS VLY...
LOW LVL SHEAR WILL INCREASE SOMEWHAT LATER TODAY OVER PARTS OF
LA...MS...AND AL AS AFOREMENTIONED LOW CONTINUES TO DEVELOP AND
DRIFTS SLOWLY NWD. LOW LVL SPEED/DIRECTIONAL SHEAR COULD BECOME
SUFFICIENT TO POSE A THREAT FOR THE THREAT FOR TORNADOES GIVEN HI PW
OVER REGION. HOWEVER...UNCERTAINTY REMAINS REGARDING STORM
MODE/LIKELIHOOD FOR POTENTIAL SUSTAINED LOW LVL UPDRAFTS OVER LAND
CONSIDERING EXPANDING SHIELD OF MULTI-LAYERED CLOUDS NOW SPREADING N
AHEAD OF SYSTEM.

..CORFIDI.. 08/28/2010

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 281257
SWODY1
SPC AC 281256

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0756 AM CDT SAT AUG 28 2010

VALID 281300Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE NRN RCKYS AND
ADJACENT HI PLNS...

...THERE IS A SLGT RISK OF SVR TSTMS ALONG THE CNTRL GULF CST...

...SYNOPSIS...
TROUGH WILL FURTHER AMPLIFY OVER THE WRN STATES THIS PERIOD AS
STRONG VORT MAX NOW ENTERING NRN CA CONTINUES SE AND PHASES WITH
EXISTING TROUGH OVER THE NRN INTERMOUNTAIN REGION. EWD MOTION OF
THE TROUGH WILL...HOWEVER...BE SLOW GIVEN CONTINUING PRESENCE OF
STRONG RIDGE IN THE EAST. FRONTAL ZONE ASSOCIATED WITH THE
TROUGH...NOW EXTENDING FROM THE NRN PLNS SW INTO CNTRL CA....SHOULD
BUCKLE OVER THE ERN GRT BASIN TODAY AS A SFC WAVE FORMS OVER NE
NV/SRN ID/NRN UT AHEAD OF CA VORT. THIS WAVE SHOULD REFORM OVER THE
NRN HI PLNS EARLY SUN.

FARTHER SE...SATELLITE AND SFC/UPR AIR DATA SHOW AN AREA OF LOW
PRESSURE CONTINUING TO SLOWLY DEVELOP OVER THE CNTRL GULF CST. THIS
FEATURE IS FORECAST TO DRIFT SLOWLY N AS UPR RIDGE BUILDS ALONG THE
E CST.

...NRN RCKYS/NRN HI PLNS...
MOISTURE EXPECTED TO REMAIN COMPARATIVELY LIMITED /PW AROUND 0.75
INCH/ OVER THE NRN RCKYS TODAY INVOF DEVELOPING SFC WAVE. SOMEWHAT
GREATER MOISTURE /PW AOA 1.00 INCH/ MAY APPEAR BY EVE OVER THE ERN
HALF OF MT. OTHERWISE...AN AREA OF RICHER MOISTURE SHOULD PERSIST
FARTHER S OVER AZ AND WRN NM.

STRENGTHENING SW FLOW ALOFT AHEAD OF AMPLIFYING UPR TROUGH SHOULD
SUPPORT A GRADUAL EWD SHIFT OF MID/UPR LVL MOISTURE PLUME.
HOWEVER...FLOW MAY REMAIN SUFFICIENTLY SLY E OF SFC WAVE TO ALLOW
ENOUGH MOISTURE /SFC DEWPOINTS IN THE UPR 40S F/ TO SPREAD NEWD AND
SUPPORT LATE AFTN/EVE STORMS OVER ERN ID...SW MT AND POSSIBLY NW WY.
STRONG SFC HEATING SHOULD BOOST SBCAPE TO AOB 500 J/KG.
COUPLED WITH INCREASING UPR DIVERGENCE WITH UPR TROUGH/SETUP MAY
SUPPORT INCREASING STORM COVERAGE THROUGH MID/LATE EVE ALONG AND N
OF SFC FRONT INTO CNTRL MT.

45-50 KT DEEP SSWLY SHEAR COULD YIELD A FEW CLUSTERS OF SUSTAINED
STORMS AND POSSIBLY SUPERCELLS WITH A RISK FOR DMGG WINDS AND HAIL.

...AZ...
COMPLEX SETUP OVER THE SWRN DESERTS TODAY AS SOME LOW LVL MOISTURE
LIKELY WILL LINGER BENEATH DRYING/STRENGTHENING SW FLOW ALOFT AHEAD
OF APPROACHING TROUGH. SATELLITE/MODELS DO NOT SUGGEST PRESENCE OF
AN UPR LVL FEATURE TO FOCUS LARGE SCALE ASCENT OVER THE REGION. BUT
SETUP APPEARS POTENTIALLY SUPPORTIVE OF A CONDITIONAL HYBRID-TYPE
SVR EVENT...AS SWLY MID/UPR LVL FLOW WILL BE SUFFICIENT TO SUPPORT A
FEW SUSTAINED STORMS/POSSIBLE SUPERCELLS GIVEN SUFFICIENT LOW LVL
CONVERGENCE TO PRODUCE STRONG UPDRAFTS. ATTM BELIEVE THIS THREAT
WILL BE GREATEST OVER CNTRL/NRN PARTS OF THE STATE LATE THIS AFTN
AND EVE...ALONG AND N OF THE RIM.

...CNTRL GULF CST/LWR MS VLY...
LOW LVL SHEAR WILL INCREASE SOMEWHAT LATER TODAY OVER PARTS OF
LA...MS...AND AL AS AFOREMENTIONED LOW CONTINUES TO DEVELOP AND
DRIFTS SLOWLY NWD. LOW LVL SPEED/DIRECTIONAL SHEAR COULD BECOME
SUFFICIENT TO POSE A THREAT FOR THE THREAT FOR TORNADOES GIVEN HI PW
OVER REGION. HOWEVER...UNCERTAINTY REMAINS REGARDING STORM
MODE/LIKELIHOOD FOR POTENTIAL SUSTAINED LOW LVL UPDRAFTS OVER LAND
CONSIDERING EXPANDING SHIELD OF MULTI-LAYERED CLOUDS NOW SPREADING N
AHEAD OF SYSTEM.

..CORFIDI/ROGERS.. 08/28/2010

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 280851
SWOD48
SPC AC 280850

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0350 AM CDT SAT AUG 28 2010

VALID 311200Z - 051200Z

...PREDICTABILITY TOO LOW TO DELINEATE A SEVERE THREAT AREA...

THE EXTENT OF THE SEVERE POTENTIAL ACROSS THE UPPER MISSISSIPPI
VALLEY/UPPER GREAT LAKES REGION FOR TUESDAY REMAINS UNCLEAR. THE
RETURN OF AN ANOMALOUSLY MOIST BOUNDARY LAYER APPEARS LIKELY ON THE
WESTERN PERIPHERY OF A WEAKENING UPPER SUBTROPICAL HIGH CENTER OVER
THE MID ATLANTIC COAST STATES. BUT THE VIGOROUS SHORT WAVE IMPULSE
EMERGING FROM THE INTERMOUNTAIN WEST LATE THIS WEEKEND IS PROGGED TO
GENERALLY LIFT NORTH NORTHEAST OF THE CENTRAL CANADIAN/U.S. BORDER
AREA...WITH THE ASSOCIATED SURFACE CYCLONE LIFTING ACROSS NORTHWEST
ONTARIO TOWARD HUDSON BAY. THIS MAY BE FAR ENOUGH NORTH THAT FLOW
FIELDS AND VERTICAL SHEAR WEAKEN SUFFICIENTLY ALONG THE
FRONT...TRAILING SOUTHWARD ACROSS THE UPPER MIDWEST...TO MITIGATE
THE RISK FOR A SIGNIFICANT REGIONAL SEVERE WEATHER EVENT.

THEREAFTER...THE SPREAD AMONG MEDIUM RANGE FORECAST GUIDANCE REMAINS
LARGE CONCERNING SHORT WAVE DEVELOPMENTS WITHIN A BAND OF STRONG
WESTERLIES PROGGED TO TRAVERSE THE NORTHERN TIER OF THE U.S...FROM
THE MIDDLE OF NEXT WEEK INTO EARLY NEXT WEEKEND.

..KERR.. 08/28/2010

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 280729
SWODY3
SPC AC 280728

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0228 AM CDT SAT AUG 28 2010

VALID 301200Z - 311200Z

...THERE IS A SLGT RISK OF SVR TSTMS LATE MONDAY AFTERNOON AND
EVENING ACROSS PARTS OF THE NORTHERN PLAINS...

...SYNOPSIS...
MODELS INDICATE THAT A HIGH CENTER OVER THE MID ATLANTIC STATES WILL
REMAIN STRONG THROUGH THIS PERIOD...WITHIN BROADER SCALE SUBTROPICAL
RIDGING...WHICH APPEARS LIKELY TO EXPAND WEST NORTHWESTWARD ACROSS
THE NORTHERN MEXICAN PLATEAU AND PARTS OF THE SOUTHERN ROCKIES AND
PLATEAU REGION. THIS IS EXPECTED TO OCCUR AS LARGE SCALE TROUGHING
BEGINS TO LIFT OUT OF THE WESTERN STATES... GENERALLY COINCIDENT
WITH THE NORTHEASTWARD ACCELERATION OF A SIGNIFICANT EMBEDDED SHORT
WAVE TROUGH OUT OF THE GREAT BASIN THROUGH THE CENTRAL CANADIAN/U.S.
BORDER AREA BY EARLY TUESDAY.

GUIDANCE CONTINUES TO SUGGEST THAT THIS WILL BE ACCOMPANIED BY
FAIRLY STRONG SURFACE CYCLOGENESIS...WHICH COULD COMMENCE AS EARLY
AS MONDAY NIGHT...MAINLY OVER SOUTHEASTERN MANITOBA INTO
NORTHWESTERN ONTARIO. HOWEVER...SUBSTANTIAL SPREAD EXISTS AMONG THE
DATA CONCERNING THE EVOLUTION OF THIS PROCESS...INCLUDING THE TIMING
OF THE ARRIVAL OF STRONGER FORCING ASSOCIATED WITH THE UPPER IMPULSE
INTO THE NORTHERN U.S. PLAINS MONDAY/MONDAY NIGHT.

...NORTHERN PLAINS...
DESPITE THE LINGERING UNCERTAINTIES...THERMODYNAMIC PROFILES...
CHARACTERIZED BY A HOT AND DEEPLY MIXED BOUNDARY LAYER...STEEP
MID-LEVEL LAPSE RATES AND ENOUGH MOISTURE TO SUPPORT SUFFICIENT CAPE
FOR VIGOROUS CONVECTIVE DEVELOPMENT...ARE EXPECTED TO EVOLVE IN A
PRE-FRONTAL CORRIDOR FROM NORTH CENTRAL NEBRASKA THROUGH EASTERN
NORTH DAKOTA BY LATE MONDAY AFTERNOON. IT SEEMS PROBABLE THAT THIS
WILL OCCUR JUST PRIOR TO THE ARRIVAL OF STRONGER MID-LEVEL HEIGHT
FALLS AND LOWER/MID TROPOSPHERIC COOLING...WHICH SHOULD WEAKEN
LINGERING INHIBITION SUFFICIENTLY FOR THE INITIATION OF STORMS.
DEEP LAYER SHEAR WITHIN THIS ZONE MAY BE SOMEWHAT MODEST...BUT
30-40+ KT...AND STRENGTHENING...SOUTHWESTERLY LOWER/MID TROPOSPHERIC
FLOW IS EXPECTED TO AUGMENT A FAVORABLE ENVIRONMENT FOR STRONG
DOWNBURSTS AND SURFACE COLD POOL DEVELOPMENT...ACCOMPANIED BY
DAMAGING SURFACE WIND GUSTS. THIS THREAT IS EXPECTED TO PERSIST
WITH A GROWING EASTWARD ADVANCING LINE OR CLUSTER OF THUNDERSTORMS
AT LEAST INTO THE EVENING HOURS ...BEFORE PERHAPS WANING IN A LESS
STRONGLY HEATED/DEEPLY MIXED AND COOLING BOUNDARY LAYER TOWARD THE
UPPER MISSISSIPPI VALLEY.

..KERR.. 08/28/2010

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KVEF [280604]: Preliminary Local Storm Report

NWUS55 KVEF 280604
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1104 PM PDT FRI AUG 27 2010

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

0830 PM FLASH FLOOD 9 SW BIG BEND RAWS 35.03N 114.83W
08/27/2010 SAN BERNARDINO CA TRAINED SPOTTER

US HWY 95 10 MILES SOUTH OF LAUGHLIN CUT-OFF WASHED OUT.
TIME ESTIMATED BASED ON RADAR.

&&

$$

JACQUES

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 280602
SWODY1
SPC AC 280600

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0100 AM CDT SAT AUG 28 2010

VALID 281200Z - 291200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

UPPER TROUGH WILL AMPLIFY OVER THE WRN STATES AS A STRONG VORT MAX
DROPS SWD INTO CA BEFORE TURNING EWD INTO THE GREAT BASIN SATURDAY
AFTERNOON AND EVENING. BAROCLINIC ZONE EXTENDS FROM THE NRN PLAINS
SWWD INTO NRN CA. THE NERN EXTENSION OF THIS BOUNDARY WILL BECOME
QUASISTATIONARY FROM THE NRN ROCKIES THROUGH NRN PLAINS...WHILE SRN
EXTENSION DROPS SWD THROUGH THE GREAT BASIN AND CA. AREA OF LOW
PRESSURE OVER THE NRN GULF IS FORECAST TO DRIFT SLOWLY NORTH AS
UPPER RIDGE AXIS BUILDS AND SHIFTS EWD TOWARD THE ATLANTIC SEABOARD.

...NRN ROCKIES AREA...

PRIMARY UNCERTAINTY REGARDING EXTENT OF SEVERE POTENTIAL IN THIS
REGION IS EVOLUTION OF MOISTURE PROFILES. THE 00Z UPPER AIR DATA
INDICATE A RESERVOIR OF RICHER MOISTURE ACROSS AZ INTO SRN NM. SWLY
FLOW ALOFT DOWNSTREAM FROM AMPLIFYING UPPER TROUGH WILL RESULT IN A
GRADUAL EWD SHIFTING OF DEEPER MOISTURE PLUME. HOWEVER...FLOW MAY
REMAIN MORE SLY EAST OF SURFACE LOW THAT IS FORECAST TO LIFT NEWD
ALONG BAROCLINIC ZONE THROUGH SERN ID INTO SWRN MT DURING THE
DAY...AND COULD HELP TO TRANSPORT MOISTURE NWD. CURRENT THINKING IS
THAT BOUNDARY LAYER DEWPOINTS IN THE LOW TO MID 40S WILL BE
REPRESENTATIVE OF THE MEAN MIXED LAYER WHICH WILL YIELD MLCAPE AOB
500 J/KG. AN EXCEPTION MAY BE ACROSS ERN SERN ID AND SWRN MT IN
VICINITY OF THE BAROCLINIC ZONE AND EAST OF SURFACE LOW WHERE THE
EFFECTS OF MIXING COULD BE SUBDUED. STORMS SHOULD REDEVELOP DURING
THE AFTERNOON WITHIN ZONE OF INCREASING UPPER DIVERGENCE ASSOCIATED
WITH UPPER JET STREAK ROTATING THROUGH BASE OF TROUGH. ACTIVITY WILL
SPREAD NEWD WITH INCREASING COVERAGE ALONG AND NORTH OF BAROCLINIC
ZONE ACROSS SWRN THROUGH CNTRL MT. VERTICAL SHEAR OF 50+ KT WILL
SUPPORT THE POTENTIAL FOR ORGANIZED STORMS INCLUDING SUPERCELLS.
ISOLATED DAMAGING WIND AND HAIL WILL BE THE MAIN THREATS. WILL
MAINTAIN 5% SEVERE PROBABILITIES THIS OUTLOOK...BUT AN UPGRADE TO
SLIGHT RISK MIGHT EVENTUALLY BE NEEDED IF IT BECOMES MORE CERTAIN
THAT MOISTURE AND INSTABILITY WILL BE SUFFICIENT FOR A MORE ROBUST
THREAT.

...GULF COASTAL AREA...

LOW LEVEL SHEAR COULD UNDERGO SOME INCREASE AS AN AREA OF LOW
PRESSURE OVER THE NRN GULF DRIFTS NWD. LOW LEVEL HODOGRAPHS COULD
BECOME SUFFICIENT FOR THE THREAT FOR AN ISOLATED TORNADO OR TWO.
HOWEVER...UNCERTAINTY REGARDING THE FUTURE EVOLUTION OF THIS FEATURE
PRECLUDES A CATEGORICAL RISK AT THIS TIME.

..DIAL/GRAMS.. 08/28/2010

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 280514
SWODY2
SPC AC 280513

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1213 AM CDT SAT AUG 28 2010

VALID 291200Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
MODELS CONTINUE TO INDICATE THAT UPPER TROUGHING WILL REMAIN
AMPLIFIED ACROSS THE WESTERN U.S. THROUGH MUCH OF THIS FORECAST
PERIOD...BETWEEN STRONG SUBTROPICAL RIDGING ACROSS THE CENTRAL
PACIFIC AND EAST OF THE ROCKIES.

WITHIN THE EASTERN RIDGE...A HIGH CENTER IS STILL EXPECTED TO
STRENGTHEN ACROSS PARTS OF THE CENTRAL APPALACHIANS AND MID ATLANTIC
COAST STATES...BUT GUIDANCE SUGGESTS THAT AN UPPER IMPULSE EMERGING
FROM THE GULF OF MEXICO REGION WILL CONTINUE TO MIGRATE NORTHWARD
AROUND ITS SOUTHWESTERN/WESTERN PERIPHERY. THIS APPEARS LIKELY TO
BE ACCOMPANIED BY A RETURN OF VERY MOIST AIR THROUGH THE LOWER AND
MIDDLE MISSISSIPPI VALLEY...AND PORTIONS OF THE TENNESSEE AND LOWER
OHIO VALLEYS... ALONG WITH CONSIDERABLE...THOUGH MOSTLY
DIURNAL...THUNDERSTORM ACTIVITY.

ACROSS THE WEST...SUBSTANTIAL SPREAD EXISTS AMONG THE MODEL DATA
CONCERNING SHORT WAVE DEVELOPMENTS WITHIN THE BROADER SCALE
TROUGH...INCLUDING THE TIMING AND MANNER IN WHICH ONE IMPULSE BEGINS
TO PROGRESS THROUGH ITS BASE...ACROSS THE GREAT BASIN AND SOUTHERN
PLATEAU LATE SUNDAY AND SUNDAY NIGHT. HOWEVER...LATEST
GUIDANCE...THE SREF IN PARTICULAR...APPEARS A BIT FASTER WITH
LOW-LEVEL DRYING ACROSS EASTERN PORTIONS OF THE GREAT BASIN.
COUPLED WITH WEAK LOW-LEVEL MOISTURE RETURN AND SUBSTANTIAL
MID-LEVEL INHIBITION NEAR THE PLAINS SURFACE TROUGH AND STALLED
NORTHERN PLAINS FRONT...THUNDERSTORM PROBABILITIES MAY BE MOSTLY
NEAR MINIMUM THRESHOLD WITHIN SIZABLE GENERAL THUNDERSTORM RISK AREA
CURRENTLY OUTLOOKED.

...EASTERN GREAT BASIN/SOUTHERN PLATEAU...
IT STILL DOES NOT APPEAR OUT OF THE QUESTION THAT RESIDUAL
MOISTURE...IN CONJUNCTION WITH STRONG SURFACE HEATING AND FAVORABLE
OROGRAPHIC AND LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION WILL
CONTRIBUTE TO SUFFICIENT DESTABILIZATION FOR AT LEAST WIDELY
SCATTERED THUNDERSTORMS SUNDAY AFTERNOON. IF THIS OCCURS...STRONG
VERTICAL SHEAR AND MOMENTUM ASSOCIATED WITH 30-50+ KT SOUTHWESTERLY
LOWER/MID TROPOSPHERIC FLOW WILL CONTRIBUTE TO POTENTIAL FOR SEVERE
STORMS...WITH AT LEAST THE THREAT FOR LOCALLY DAMAGING WIND GUSTS.

..KERR.. 08/28/2010

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KVEF [280506]: Preliminary Local Storm Report

NWUS55 KVEF 280506
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1006 PM PDT FRI AUG 27 2010

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

0933 PM HAIL 3 SSE HENDERSON 36.00N 114.98W
08/27/2010 E0.88 INCH CLARK NV TRAINED SPOTTER

TWO SPOTTERS IN HENDERSON REPORTED DIME TO NICKEL SIZE
HAIL FELL FOR A SHORT TIME BETWEEN 930 AND 935 PM.

&&

$$

MORGAN

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KVEF [280413]: Preliminary Local Storm Report

NWUS55 KVEF 280413
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
912 PM PDT FRI AUG 27 2010

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

0827 PM HAIL 5 SSW BULLHEAD CITY 35.08N 114.60W
08/27/2010 E1.00 INCH MOHAVE AZ PUBLIC

WALLMART PARKING LOT IN BULLHEAD CITY

&&

$$

JJACQUES

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