KBOU [302102]: Preliminary Local Storm Report...summary

NWUS55 KBOU 302102
LSRBOU

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
302 PM MDT MON MAY 30 2011

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

0257 PM HAIL 12 SE KEENESBURG 39.99N 104.36W
05/30/2011 M0.75 INCH ADAMS CO TRAINED SPOTTER

0226 PM HAIL KEENESBURG 40.11N 104.52W
05/30/2011 M1.25 INCH WELD CO TRAINED SPOTTER

&&

$$

FREDIN

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KLBF [302102]: Preliminary Local Storm Report

NWUS53 KLBF 302102
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
401 PM CDT MON MAY 30 2011

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

0401 PM HAIL BREWSTER 41.94N 99.87W
05/30/2011 M1.00 INCH BLAINE NE LAW ENFORCEMENT

PEA TO QUARTER SIZE HAIL REPORTED BY DISPATCHER. GROUND
COVERED BY HAIL.

&&

$$

CARMEL

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KCYS [302058]: Preliminary Local Storm Report

NWUS55 KCYS 302058
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
257 PM MDT MON MAY 30 2011

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

0152 PM NON-TSTM WND GST 23 S DOUGLAS 42.42N 105.39W
05/30/2011 M62 MPH CONVERSE WY MESONET

ESTERBROOK RAWS SITE.

&&

$$

HUTCHEON

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KLBF [302056]: Preliminary Local Storm Report

NWUS53 KLBF 302056
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
356 PM CDT MON MAY 30 2011

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

0352 PM HAIL 7 NNE DUNNING 41.92N 100.05W
05/30/2011 M1.00 INCH BLAINE NE PUBLIC

&&

$$

CARMEL

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WATCHES: Tornado Watch Number 403

WWUS20 KWNS 302055
SEL3
SPC WW 302055
MNZ000-NDZ000-SDZ000-310400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 403
NWS STORM PREDICTION CENTER NORMAN OK
355 PM CDT MON MAY 30 2011

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

WESTERN AND CENTRAL MINNESOTA
SOUTHEAST NORTH DAKOTA
NORTHEAST SOUTH DAKOTA

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES EAST SOUTHEAST OF
WATERTOWN SOUTH DAKOTA TO 20 MILES WEST NORTHWEST OF BEMIDJI
MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 402...

DISCUSSION...SEVERE TSTMS ARE EXPECTED TO RAPIDLY DEVELOP LATE THIS
AFTERNOON/EARLY EVENING ACROSS EASTERN PORTIONS OF THE DAKOTAS INTO
WESTERN MN. IN THE WAKE OF A NORTHWARD MOVING WARM
FRONT...ADDITIONAL DESTABILIZATION WILL OCCUR OVER THE NEXT SEVERAL
HOURS...WITH A HIGHLY SHEARED ENVIRONMENT FAVORABLE FOR SUSTAINED
SEVERE TSTMS. INITIAL MODE SUPERCELLS CAPABLE OF LARGE
HAIL/TORNADOES CAN BE EXPECTED...WITH A QUASI-LINEAR EVOLUTION
LIKELY TO OCCUR LATER THIS EVENING INCLUDING A POTENTIALLY MORE
WIDESPREAD DAMAGING WIND AND ISOLATED TORNADO THREAT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22040.

...GUYER/HART

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KCYS [302055]: Preliminary Local Storm Report

NWUS55 KCYS 302055
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
255 PM MDT MON MAY 30 2011

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

0230 PM NON-TSTM WND GST 14 WSW CHEYENNE 41.07N 105.04W
05/30/2011 E68 MPH LARAMIE WY MESONET

EMKAY UPR SITE.

&&

$$

HUTCHEON

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KPBZ [302054]: Preliminary Local Storm Report...summary

NWUS51 KPBZ 302054
LSRPBZ

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
453 PM EDT MON MAY 30 2011

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

0753 PM HAIL HADLEY 41.43N 80.20W
05/29/2011 U0.75 INCH MERCER PA PUBLIC

EVENT OCCURRED BETWEEN 838 PM 05/29/2011 AND 853 PM
05/29/2011

0813 PM HAIL STONEBORO 41.35N 80.10W
05/29/2011 U0.50 INCH MERCER PA PUBLIC

EVENT OCCURRED BETWEEN 858 PM 05/29/2011 AND 913 PM
05/29/2011

0818 PM HAIL SANDY LAKE 41.34N 80.04W
05/29/2011 U0.50 INCH MERCER PA PUBLIC

EVENT OCCURRED BETWEEN 903 PM 05/29/2011 AND 918 PM
05/29/2011

0845 PM HAIL JAMESTOWN 41.48N 80.44W
05/29/2011 E0.75 INCH MERCER PA 911 CALL CENTER

DIME SIZE HAIL IN JAMESTOWN

0845 PM TSTM WND DMG JAMESTOWN 41.48N 80.44W
05/29/2011 MERCER PA PUBLIC

ONE TREE DOWN WITH DIME SIZE HAIL.

0847 PM TSTM WND DMG 3 E JAMESTOWN 41.48N 80.38W
05/29/2011 MERCER PA PUBLIC

ONE TREE DOWN.

0915 PM TSTM WND DMG SHEAKLEYVILLE 41.44N 80.21W
05/29/2011 MERCER PA 911 CALL CENTER

SEVERAL TREES DOWN ON POWER LINES IN SHEAKLEYVILLE

&&

EVENT NUMBER PBZ1100806 PBZ1100804 PBZ1100805 PBZ1100800 PBZ1100802
PBZ1100803 PBZ1100801

$$

WOODRUM

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KCYS [302053]: Preliminary Local Storm Report

NWUS55 KCYS 302053
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
253 PM MDT MON MAY 30 2011

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

0215 PM NON-TSTM WND GST 21 WSW CHEYENNE 41.03N 105.16W
05/30/2011 E64 MPH LARAMIE WY MESONET

LYNCH UPR SITE.

&&

$$

HUTCHEON

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KCYS [302049]: Preliminary Local Storm Report

NWUS55 KCYS 302049
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
249 PM MDT MON MAY 30 2011

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

0225 PM NON-TSTM WND GST ARLINGTON 41.59N 106.21W
05/30/2011 M61 MPH CARBON WY DEPT OF HIGHWAYS

&&

$$

HUTCHEON

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KLBF [302037]: Preliminary Local Storm Report

NWUS53 KLBF 302037
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
337 PM CDT MON MAY 30 2011

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

0330 PM HAIL 5 NE DUNNING 41.88N 100.04W
05/30/2011 M1.00 INCH BLAINE NE PUBLIC

NICKEL TO QUARTER SIZED HAIL AND HEAVY RAIN AT TIME OF
REPORT NEAR HIGHWAY 91.

&&

$$

CARMEL

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MESO: Mesoscale Discussion 1032

ACUS11 KWNS 302034
SWOMCD
SPC MCD 302033
KSZ000-302200-

MESOSCALE DISCUSSION 1032
NWS STORM PREDICTION CENTER NORMAN OK
0333 PM CDT MON MAY 30 2011

AREAS AFFECTED...WEST-CENTRAL KS

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 302033Z - 302200Z

AT LEAST A CONDITIONAL/ISOLATED-TYPE SEVERE THREAT WILL EXIST ACROSS
WEST-CENTRAL KS LATE THIS AFTERNOON/EVENING. THE NEED FOR A WATCH IS
CURRENTLY UNCLEAR GIVEN AN UNCERTAIN COVERAGE OF DEEP CONVECTIVE
THROUGH EARLY EVENING...BUT CONVECTIVE TRENDS WILL CONTINUE TO
MONITORED.

VISIBLE SATELLITE IMAGERY SHOWS SOME INCREASE IN BOUNDARY LAYER CU
NEAR THE WEST-CENTRAL KS DRYLINE...ESPECIALLY ACROSS NORTHWEST KS
JUST WEST OF THE HILL CITY AREA AS OF 2015Z. IN ACCORDANCE WITH
GLANCING DPVA AND ADDITIONAL STRONG MIXING WEST OF THE DRYLINE...THE
HIGHEST PROBABILITY FOR AT LEAST ISOLATED STRONG/SEVERE TSTM
DEVELOPMENT PRE-DARK SHOULD BE ACROSS NORTHERN KS...ALTHOUGH ROGUE
DEVELOPMENT ANYWHERE ALONG THE DRYLINE WILL BE POSSIBLE.

PROVIDED STORMS INDEED FORM...RELATIVELY STRONG INSTABILITY/VERTICAL
SHEAR WOULD SUPPORT INITIAL SUPERCELLS...ALTHOUGH VEER-BACK-VEER
TYPE WIND PROFILES WITHIN THE LOWEST FEW KM PER REGIONAL
PROFILERS/WSR-88D VWPS AND RUC SOUNDINGS IMPLY A LINEAR-TYPE
EVOLUTION MAY OCCUR WITH TIME. LARGE HAIL WILL LIKELY BE THE PRIMARY
HAZARD...ALTHOUGH STRONG DOWNDRAFTS/DAMAGING WINDS WILL BE POSSIBLE
AS WELL ESPECIALLY IF A MORE LINEAR-TYPE EVOLUTION OCCURS.
ADDITIONALLY...A TORNADO CANNOT BE RULED OUT...BUT RELATIVELY
HIGH-BASED NATURE OF DEEP CONVECTIVE DEVELOPMENT SHOULD LIMIT SUCH
POTENTIAL. LATER THIS EVENING/OVERNIGHT...A MORE CERTAIN
DEVELOPMENT/COVERAGE OF DEEP CONVECTION IS ANTICIPATED AS THE COLD
FRONT OVERTAKES THE DRYLINE.

..GUYER.. 05/30/2011

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

ATTN...WFO...ICT...GID...DDC...GLD...

LAT...LON 38770060 39870038 39609880 37249935 37150037 38770060

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KLBF [302029]: Preliminary Local Storm Report

NWUS53 KLBF 302029
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
329 PM CDT MON MAY 30 2011

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

0328 PM HAIL 4 SE DUNNING 41.79N 100.05W
05/30/2011 M1.00 INCH BLAINE NE PUBLIC

BIGGEST HAIL THE SIZE OF QUARTERS ALONG WITH HEAVY RAIN.

&&

$$

CARMEL

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KBOU [302027]: Preliminary Local Storm Report

NWUS55 KBOU 302027
LSRBOU

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
227 PM MDT MON MAY 30 2011

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

0226 PM HAIL KEENESBURG 40.11N 104.52W
05/30/2011 M1.25 INCH WELD CO TRAINED SPOTTER

&&

$$

FREDIN

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KLBF [302021]: Preliminary Local Storm Report

NWUS53 KLBF 302021
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
321 PM CDT MON MAY 30 2011

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

0320 PM HAIL 3 ENE BASSETT 42.60N 99.48W
05/30/2011 M0.50 INCH ROCK NE PUBLIC

PEA TO MARBLE SIZED HAIL LASTED 10 MINUTES BEGINNING AT
320 PM CDT. ALSO REPORTED HEAVY RAIN.

&&

$$

CARMEL

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KMQT [302005]: Preliminary Local Storm Report

NWUS53 KMQT 302005
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
305 PM CDT MON MAY 30 2011

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

0200 PM NON-TSTM WND GST 28 ESE KEWEENAW POINT 47.18N 87.22W
05/30/2011 M47 MPH LSZ266 MI C-MAN STATION

&&

$$

GMICHELS

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KMQT [302003]: Preliminary Local Storm Report

NWUS53 KMQT 302003
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
303 PM CDT MON MAY 30 2011

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

0149 PM NON-TSTM WND GST 1 N MUNISING 46.43N 86.64W
05/30/2011 M45 MPH LSZ250 MI ASOS

&&

$$

GMICHELS

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KMQT [302002]: Preliminary Local Storm Report...correction For Time Zone.

NWUS53 KMQT 302002
LSRMQT

PRELIMINARY LOCAL STORM REPORT...CORRECTION FOR TIME ZONE.
NATIONAL WEATHER SERVICE MARQUETTE MI
400 PM EDT MON MAY 30 2011

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

1205 PM HEAVY RAIN WAKEFIELD 46.48N 89.93W
05/30/2011 U0.00 INCH GOGEBIC MI TRAINED SPOTTER

TWO TO THREE INCHES OF WATER PONDING ON THE ROAD. PEOPLE
HAD TO DIVERT AROUND IT IN ORDER TO PASS. HEAVY RAIN FELL
FOR ABOUT 15 MINUTES. DITCHES WERE ALSO FLOODED.

1250 PM HEAVY RAIN 6 SE ONTONAGON 46.81N 89.22W
05/30/2011 M1.45 INCH ONTONAGON MI TRAINED SPOTTER

TOTAL SINCE 9 AM...BUT MUCH OF IT FELL BETWEEN 9 AND 10
AM...THEN ANOTHER ROUND STARTED AT 1200 EDT.

1251 PM HEAVY RAIN 8 E ONTONAGON 46.87N 89.14W
05/30/2011 M1.30 INCH ONTONAGON MI TRAINED SPOTTER

TOTAL SINCE 9 AM. 0.34 INCHES TOTAL FROM 1235-1250 EDT.

100 PM HEAVY RAIN FREDA 47.13N 88.82W
05/30/2011 M0.50 INCH HOUGHTON MI CO-OP OBSERVER

FELL OVER 15 MINUTES. RECORED RAIN RATES UP TO 4.5 INCHES
IN AN HOUR.

135 PM HEAVY RAIN 5 ESE CHASSELL 47.01N 88.43W
05/30/2011 M1.25 INCH HOUGHTON MI CO-OP OBSERVER

TOTAL SINCE 10 AM...BUT MOST FELL IN 15 MINUTES. RATES
WERE AROUND 4 INCHES PER HOUR.

&&

$$

MBABICH

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KMQT [302000]: Preliminary Local Storm Report...correction For Time Zone.

NWUS53 KMQT 302000
LSRMQT

PRELIMINARY LOCAL STORM REPORT...CORRECTION FOR TIME ZONE.
NATIONAL WEATHER SERVICE MARQUETTE MI
356 PM EDT MON MAY 30 2011

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

1205 PM HEAVY RAIN WAKEFIELD 46.48N 89.93W
05/30/2011 U0.00 INCH GOGEBIC MI TRAINED SPOTTER

TWO TO THREE INCHES OF WATER PONDING ON THE ROAD. PEOPLE
HAD TO DIVERT AROUND IT IN ORDER TO PASS. HEAVY RAIN FELL
FOR ABOUT 15 MINUTES. DITCHES WERE ALSO FLOODED.

1250 PM HEAVY RAIN 6 SE ONTONAGON 46.81N 89.22W
05/30/2011 M1.45 INCH ONTONAGON MI TRAINED SPOTTER

TOTAL SINCE 9 AM...BUT MUCH OF IT FELL BETWEEN 9 AND 10
AM...THEN ANOTHER ROUND STARTED AT 1200 EDT.

1251 PM HEAVY RAIN 8 E ONTONAGON 46.87N 89.14W
05/30/2011 M1.30 INCH ONTONAGON MI TRAINED SPOTTER

TOTAL SINCE 9 AM. 0.34 INCHES TOTAL FROM 1235-1250 EDT.

1300 PM HEAVY RAIN FREDA 47.13N 88.82W
05/30/2011 M0.50 INCH HOUGHTON MI CO-OP OBSERVER

FELL OVER 15 MINUTES. RECORED RAIN RATES UP TO 4.5 INCHES
IN AN HOUR.

1335 PM HEAVY RAIN 5 ESE CHASSELL 47.01N 88.43W
05/30/2011 M1.25 INCH HOUGHTON MI CO-OP OBSERVER

TOTAL SINCE 10 AM...BUT MOST FELL IN 15 MINUTES. RATES
WERE AROUND 4 INCHES PER HOUR.

&&

$$

MBABICH

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KMQT [301956]: Preliminary Local Storm Report

NWUS53 KMQT 301956
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
256 PM CDT MON MAY 30 2011

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

1105 AM HEAVY RAIN WAKEFIELD 46.48N 89.93W
05/30/2011 U0.00 INCH GOGEBIC MI TRAINED SPOTTER

TWO TO THREE INCHES OF WATER PONDING ON THE ROAD. PEOPLE
HAD TO DIVERT AROUND IT IN ORDER TO PASS. HEAVY RAIN FELL
FOR ABOUT 15 MINUTES. DITCHES WERE ALSO FLOODED.

1150 AM HEAVY RAIN 6 SE ONTONAGON 46.81N 89.22W
05/30/2011 M1.45 INCH ONTONAGON MI TRAINED SPOTTER

TOTAL SINCE 9 AM...BUT MUCH OF IT FELL BETWEEN 9 AND 10
AM...THEN ANOTHER ROUND STARTED AT 1200 EDT.

1151 AM HEAVY RAIN 8 E ONTONAGON 46.87N 89.14W
05/30/2011 M1.30 INCH ONTONAGON MI TRAINED SPOTTER

TOTAL SINCE 9 AM. 0.34 INCHES TOTAL FROM 1235-1250 EDT.

1200 PM HEAVY RAIN FREDA 47.13N 88.82W
05/30/2011 M0.50 INCH HOUGHTON MI CO-OP OBSERVER

FELL OVER 15 MINUTES. RECORED RAIN RATES UP TO 4.5 INCHES
IN AN HOUR.

1235 PM HEAVY RAIN 5 ESE CHASSELL 47.01N 88.43W
05/30/2011 M1.25 INCH HOUGHTON MI CO-OP OBSERVER

TOTAL SINCE 10 AM...BUT MOST FELL IN 15 MINUTES. RATES
WERE AROUND 4 INCHES PER HOUR.

&&

$$

MBABICH

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KMQT [301954]: Preliminary Local Storm Report

NWUS53 KMQT 301954
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
254 PM CDT MON MAY 30 2011

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

0230 PM NON-TSTM WND GST 1 N GRAND MARAIS 46.68N 85.98W
05/30/2011 M41 MPH LSZ251 MI OFFICIAL NWS OBS

&&

$$

GMICHELS

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 301952
SWODY1
SPC AC 301951

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0251 PM CDT MON MAY 30 2011

VALID 302000Z - 311200Z

...THERE IS A MDT RISK OF SVR TSTMS LATE THIS AFTN AND EVE ACROSS
PARTS OF CENTRAL AND EASTERN NEBRASKA...ERN SOUTH DAKOTA...NORTHWEST
IOWA...WESTERN MINNESOTA AND A PARTS OF SOUTHEASTERN NORTH DAKOTA...

...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE MODERATE RISK
AREA...FROM THE CENTRAL PLAINS INTO THE UPPER MISSISSIPPI
VALLEY/GREAT LAKES REGION...

...20Z UPDATE...
ADJUSTMENTS TO THE CATEGORICAL AND PROBABILISTIC LINES HAVE BEEN
MADE ...MOSTLY TO ACCOUNT FOR THE CURRENT POSITION OF THE SURFACE
FRONT AND THE PRE-FRONTAL CORRIDOR OF STRONGER SURFACE HEATING AND
BOUNDARY LAYER DESTABILIZATION. THIS HAS GENERALLY RESULTED IN A
SOUTHEASTWARD DISPLACEMENT OF HIGHEST SEVERE PROBABILITIES RELATIVE
TO THE 1630Z OUTLOOK.

OTHERWISE...FORECAST REASONING REMAINS GENERALLY UNCHANGED FROM THAT
INDICATED IN THE PRIOR DISCUSSION AND APPENDED BELOW. AS A
SIGNIFICANT UPPER TROUGH AND EMBEDDED CLOSED LOW CONTINUE TO
GRADUALLY LIFT NORTH NORTHEAST OF THE ROCKIES LATE THIS AFTERNOON
...ASSOCIATED FORCING FOR UPWARD VERTICAL MOTION APPEARS LIKELY TO
WEAKEN INHIBITION IN SUCH A MANNER AS TO ALLOW RAPID WIDESPREAD
STORM FORMATION WITHIN THE DEVELOPING INSTABILITY AXIS.

IF STORMS MAINTAIN A DISCRETE NATURE AS THE SOUTHERLY PRE-FRONTAL
LOW-LEVEL JET INTENSIFIES THIS EVENING /GUIDANCE INDICATES UP TO
AROUND 70+ KT AT 850 MB/...VERY LARGE CLOCKWISE-CURVED LOW-LEVEL
HODOGRAPHS WILL SUPPORT A RISK FOR STRONG TORNADOES. HOWEVER... IT
STILL APPEARS THAT THE WINDOW OF OPPORTUNITY FOR THIS MAY BE FAIRLY
SMALL...WITH LARGE-SCALE FORCING LIKELY TO CONTRIBUTE TO A QUICK
UPSCALE CONVECTIVE GROWTH INTO ONE OR MORE ORGANIZED STORM CLUSTERS
CAPABLE OF PRODUCING LOCALLY STRONG TO EXTREME SURFACE
GUSTS...PARTICULARLY ACROSS EASTERN PORTIONS OF THE MODERATE RISK
AREA.

..KERR.. 05/30/2011

.PREV DISCUSSION... /ISSUED 1121 AM CDT MON MAY 30 2011/

A BROAD UPPER TROUGH IS PRESENT TODAY OVER THE WESTERN STATES...WITH
A SHORTWAVE TROUGH EVIDENT IN WATER VAPOR IMAGERY ROUNDING THE BASE
OF THE TROUGH OVER NM. THIS FEATURE WILL LIFT NORTHWARD ACROSS THE
HIGH PLAINS THIS AFTERNOON AND EVENING...LEADING TO AN ACTIVE ZONE
OF SEVERE THUNDERSTORMS FROM CENTRAL KS INTO THE DAKOTAS AND WESTERN
MN.

...NEB/DAKOTAS/MN...
A WEAK SURFACE COLD FRONT CURRENTLY EXTENDS FROM SOUTHEAST ND INTO
NORTH CENTRAL NEB. THIS FRONT WILL MOVE ONLY SLOWLY SOUTHEASTWARD
TODAY...AND WILL LIKELY RETREAT NORTHWARD LATER TODAY OVER ND/MN AS
CYCLOGENESIS OCCURS OVER THE REGION. THE FRONT WILL SERVE AS THE
PRIMARY FOCUS FOR THUNDERSTORM INITIATION THIS AFTERNOON AS FULL
SUNSHINE OCCURS IN THE WARM SECTOR. AFTERNOON MLCAPE VALUES OF
3000+ J/KG ARE EXPECTED...ALONG WITH A NARROW AXIS OF WEAK CINH
ALONG THE FRONT.

PRESENT INDICATIONS ARE THAT STORMS WILL FORM ON THE FRONT AROUND
21Z FROM THE TRIPLE POINT OVER CENTRAL NEB NORTHWARD INTO THE
EASTERN DAKOTAS. STRONG WINDS THROUGH THE TROPOSPHERE WILL PROMOTE
SUPERCELL STORM STRUCTURES. HOWEVER...ORIENTATION OF FRONT TO UPPER
WINDS MAKE STORM-MODE FORECASTS COMPLEX. INITIAL STORMS MAY POSE A
RISK OF TORNADOES. BUT A RATHER QUICK EVOLUTION TO A SQUALL LINE
APPEARS LIKELY WITH EMBEDDED BOWS POSSIBLE. THROUGH THE
EVENING...LARGE HAIL AND DAMAGING WINDS ARE EXPECTED ALONG THE
SQUALL LINE AS IT MOVES INTO WESTERN NEB AND NORTHWEST IA.

...KS SOUTHWARD ACROSS THE HIGH PLAINS...
THE DRYLINE WILL EXTEND FROM CENTRAL NEB SOUTHWARD INTO WESTERN OK
AND WEST TX. THE POTENTIAL FOR CONVECTIVE INITIATION THIS AFTERNOON
AND EVENING IS HIGHEST NEAR THE TRIPLE POINT OVER NEB/NORTHERN
KS...AND DECREASES WITH SOUTHWARD EXTENT. STORMS THAT FORM OVER
NEB/KS WILL POSE A RISK OF LARGE HAIL...DAMAGING WINDS...AND PERHAPS
A TORNADO. HOWEVER...THERE REMAINS CONSIDERABLE UNCERTAINTY
REGARDING COVERAGE AND LONGEVITY OF STORMS. FROM WESTERN OK INTO
WEST TX...ONLY VERY ISOLATED DRYLINE STORMS ARE EXPECTED.

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KTFX [301949]: Preliminary Local Storm Report

NWUS55 KTFX 301949
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
148 PM MDT MON MAY 30 2011

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

0800 AM HEAVY SNOW 10 WNW MCALLISTER 45.51N 111.92W
05/30/2011 M13.0 INCH MADISON MT MESONET

LOWER TWIN SNOTEL MEASURED 13 INCHES OF SNOWFALL IN THE
LAST 24 HOURS. ELEVATION 7900 FT.

&&

$$

NJL

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KMPX [301941]: Preliminary Local Storm Report

NWUS53 KMPX 301941
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
241 PM CDT MON MAY 30 2011

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

0236 PM HAIL 2 N KNAPP 44.98N 92.08W
05/30/2011 M0.75 INCH DUNN WI TRAINED SPOTTER

&&

$$

FRANKS

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MESO: Mesoscale Discussion 1031

ACUS11 KWNS 301920
SWOMCD
SPC MCD 301919
NEZ000-COZ000-WYZ000-302015-

MESOSCALE DISCUSSION 1031
NWS STORM PREDICTION CENTER NORMAN OK
0219 PM CDT MON MAY 30 2011

AREAS AFFECTED...NORTHEAST CO/EXTREME SOUTHEAST WY INTO SOUTHWEST
NEB

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 301919Z - 302015Z

AN ISOLATED SEVERE THREAT MAY DEVELOP EAST-NORTHEASTWARD THIS
AFTERNOON ACROSS NORTHEAST CO/EXTREME SOUTHEAST WY INTO SOUTHWEST
NEB. A WATCH IS NOT CURRENTLY ANTICIPATED...BUT CONVECTIVE TRENDS
WILL CONTINUE TO BE MONITORED.

A STRONG/SEVERE TSTM HAS RECENTLY DEVELOPED ACROSS THE NORTHERN CO
FRONT RANGE IN THE GENERAL VICINITY OF GREELEY AS OF 19Z. WITH
TIME...IT SEEMS LIKELY THAT THIS STORM AND ADDITIONAL DEVELOPMENT
MAY CONTINUE TO MOVE/OCCUR WITHIN A POST-FRONTAL REGIME EXTENDING
EAST-NORTHEASTWARD ACROSS FAR NORTHEAST CO INTO SOUTHWEST NEB. WHILE
THE BOUNDARY LAYER IS NOT PARTICULARLY MOIST OR UNSTABLE...THE
ARRIVAL OF DEEP FORCING FOR ASCENT COUPLED WITH STEEP LAPSE
RATES/HIGHLY SHEARED REGIME MAY SUPPORT A FEW SUPERCELLS CAPABLE OF
SEVERE HAIL/PERHAPS A TORNADO. CURRENT THINKING IS THE SEVERE THREAT
WILL REMAIN SUFFICIENTLY MARGINAL/ISOLATED TO PRECLUDE A WATCH...BUT
TRENDS WILL CONTINUE TO BE CLOSELY MONITORED FOR A POSSIBLE WW
ISSUANCE.

..GUYER.. 05/30/2011

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

ATTN...WFO...LBF...GLD...BOU...CYS...

LAT...LON 40370462 40960471 41700330 41660152 40780150 40170297
40370462

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KDMX [301917]: Preliminary Local Storm Report...summary

NWUS53 KDMX 301917
LSRDMX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
217 PM CDT MON MAY 30 2011

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

0621 AM HAIL 2 NNW MACKSBURG 41.24N 94.20W
05/29/2011 E0.88 INCH MADISON IA PUBLIC

LOTS OF PENNY TO NICKEL SIZE HAIL...

0622 AM HAIL 1 N MACKSBURG 41.23N 94.19W
05/29/2011 E1.00 INCH MADISON IA PUBLIC

QUARTER SIZE HAIL...

0636 AM HAIL 4 NNW RUNNELLS 41.57N 93.40W
05/29/2011 E1.00 INCH POLK IA PUBLIC

PERSON PUT QUARTER SIZE HAIL IN THEIR FREEZER...

0716 AM HAIL MURRAY 41.04N 93.95W
05/29/2011 E1.00 INCH CLARKE IA FIRE DEPT/RESCUE

MAINLY NICKEL HAIL...WITH A FEW QUARTER SIZED MIXED IN...

0729 AM HAIL MURRAY 41.04N 93.95W
05/29/2011 E0.88 INCH CLARKE IA FIRE DEPT/RESCUE

SECOND ROUND OF HAIL WAS SIZE OF NICKELS...

0750 AM HAIL 2 NW MONTEZUMA 41.60N 92.55W
05/29/2011 E1.00 INCH POWESHIEK IA TRAINED SPOTTER

QUARTER SIZE HAIL...DISK-LIKE IN APPEARANCE

0755 AM TSTM WND DMG KNOXVILLE 41.32N 93.10W
05/29/2011 MARION IA LAW ENFORCEMENT

NUMEROUS TREES REPORTED DOWN IN KNOXVILLE

0755 AM TSTM WND DMG 1 N KNOXVILLE 41.33N 93.10W
05/29/2011 MARION IA FIRE DEPT/RESCUE

SEMI BLOWN OFF HIGHWAY 14 ABOUT 1 MILE NORTH OF
KNOXVILLE.

0803 AM TSTM WND DMG PELLA 41.41N 92.92W
05/29/2011 MARION IA TRAINED SPOTTER

NUMEROUS TREES AND BRANCHES DOWN IN TOWN. CONSTRUCTION
SIGNS BLOWN OVER.

0835 AM HAIL N BLAKESBURG 40.96N 92.64W
05/29/2011 E1.00 INCH WAPELLO IA TRAINED SPOTTER

NICKELS AND QUARTERS

0845 AM HAIL NE ARISPE 40.95N 94.22W
05/29/2011 E1.00 INCH UNION IA TRAINED SPOTTER

0850 AM TSTM WND DMG 1 NE OTTUMWA 41.03N 92.40W
05/29/2011 WAPELLO IA TRAINED SPOTTER

LARGE TREE OVER THE ROAD NEAR PARK ON THE EAST SIDE OF
THE CITY.

0854 AM TSTM WND GST 1 SW OTTUMWA 41.00N 92.43W
05/29/2011 E60.00 MPH WAPELLO IA TRAINED SPOTTER

0855 AM TSTM WND GST 3 NNE OSKALOOSA AIRPORT 41.27N 92.46W
05/29/2011 E60.00 MPH MAHASKA IA TRAINED SPOTTER

NOTED TREE BRANCHES DOWN ON WAY TO OSKALOOSA

0855 AM TSTM WND GST OSKALOOSA AIRPORT 41.23N 92.49W
05/29/2011 M69.00 MPH MAHASKA IA AWOS

0858 AM HAIL 9 NE AGENCY 41.10N 92.21W
05/29/2011 E1.00 INCH WAPELLO IA TRAINED SPOTTER

ACCOMPANIED WITH 50 MPH WINDS AS WELL

0904 AM HAIL MURRAY 41.04N 93.95W
05/29/2011 M1.50 INCH CLARKE IA TRAINED SPOTTER

&&
STORM SUMMARY FROM SUNDAY MORNING MAY 29TH
$$

DONAVON

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MESO: Mesoscale Discussion 1030

ACUS11 KWNS 301910
SWOMCD
SPC MCD 301910
MIZ000-WIZ000-302045-

MESOSCALE DISCUSSION 1030
NWS STORM PREDICTION CENTER NORMAN OK
0210 PM CDT MON MAY 30 2011

AREAS AFFECTED...NRN WI...WRN UPPER MI

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 301910Z - 302045Z

SPORADIC REPORTS OF SEVERE HAIL AND LOCALLY DAMAGING WINDS SHOULD
PERSIST FOR THE NEXT FEW HOURS AS TSTM ACTIVITY GRADUALLY EVOLVES
NEWD AND LIKELY WEAKENS IN RESPONSE TO RISING MID-LEVEL
HEIGHTS/TEMPERATURES. THE PROBABILITY OF A WW ISSUANCE BY 21Z IS 20
PERCENT.

TSTM CLUSTERS WITH A HISTORY OF SPORADIC SEVERE HAIL AND LOCALIZED
DAMAGING WIND REPORTS PERSIST ACROSS PORTIONS OF W-CNTRL/NWRN WI AS
OF 19Z. DESPITE SURFACE TEMPERATURES HAVING NOW RISEN INTO THE UPPER
70S TO 80S S OF A WARM FRONT THAT STRETCHED FROM NEAR 60 NE MSP TO
CWA...TSTMS APPEAR TO REMAIN LARGELY ELEVATED BASED ON RAPID
INDIVIDUAL CELL MOTIONS IN RADAR IMAGERY AND APPARENT ROOTING ABOVE
A STRATOCU DECK IN VISIBLE SATELLITE IMAGERY. NEVERTHELESS...THE
COMBINATION OF MUCAPE AND EFFECTIVE SHEAR ARE SUFFICIENT FOR AN
ISOLATED SEVERE THREAT FOR THE NEXT FEW HOURS. 12Z WRF-NMM SIMULATED
REFLECTIVITY APPEARS TO REASONABLY HANDLE THE ONGOING ACTIVITY AND
INDICATES IT WILL WEAKEN/DISSIPATE THROUGH THE AFTERNOON...LIKELY IN
RESPONSE TO DIMINISHING MID-LEVEL SWLYS AND MODEST MID-LEVEL
TEMPERATURE RISES.

..GRAMS.. 05/30/2011

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

ATTN...WFO...MQT...GRB...DLH...ARX...MPX...

LAT...LON 46139148 46559106 46898946 46928801 46458740 45758769
44918922 44589106 44549219 44749230 45139219 46139148

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WATCHES: Tornado Watch Number 402

WWUS20 KWNS 301908
SEL2
SPC WW 301908
MNZ000-NEZ000-SDZ000-310200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 402
NWS STORM PREDICTION CENTER NORMAN OK
210 PM CDT MON MAY 30 2011

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

EXTREME SOUTHWEST MINNESOTA
CENTRAL AND NORTHEAST NEBRASKA
SOUTHEAST SOUTH DAKOTA

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 210 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHWEST OF
BROOKINGS SOUTH DAKOTA TO 40 MILES EAST SOUTHEAST OF MCCOOK
NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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.

DISCUSSION...THUNDERSTORMS ARE EXPECTED TO DEVELOP SOON ALONG THE
COLD FRONT EXTENDING ACROSS CENTRAL NEB AND SOUTHEAST SD. THESE
STORMS WILL TRACK QUICKLY NORTHEASTWARD ACROSS THE WATCH AREA
THROUGH EARLY EVENING. INCREASINGLY STRONG SOUTHERLY LOW LEVEL
WINDS AHEAD OF THE STORMS AND MODERATE INSTABILITY WILL PROMOTE A
FEW SUPERCELL STORMS CAPABLE OF VERY LARGE HAIL AND TORNADOES.
OTHERWISE...EVOLUTION TO A SQUALL LINE IS EXPECTED WITH INCREASING
RISKS OF DAMAGING WINDS THROUGH THE EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.

...HART

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KDLH [301906]: Preliminary Local Storm Report...corrected

NWUS53 KDLH 301906
LSRDLH

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DULUTH MN
206 PM CDT MON MAY 30 2011

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

0204 PM HAIL 4 W CLAM LAKE 45.79N 92.41W
05/30/2011 M1.50 INCH BURNETT WI CO-OP OBSERVER

&&

$$

SGOHDE

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KDLH [301904]: Preliminary Local Storm Report

NWUS53 KDLH 301904
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
204 PM CDT MON MAY 30 2011

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

0204 PM HAIL W CLAM LAKE 45.79N 92.33W
05/30/2011 M1.50 INCH BURNETT WI CO-OP OBSERVER

&&

$$

SGOHDE

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KUNR [301854]: Preliminary Local Storm Report...summary

NWUS53 KUNR 301854
LSRUNR

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE RAPID CITY SD
1254 PM MDT MON MAY 30 2011

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

0600 AM HEAVY RAIN EDGEMONT 43.30N 103.83W
05/30/2011 M0.54 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0600 AM HEAVY RAIN ELM SPRINGS 44.31N 102.53W
05/30/2011 M0.75 INCH MEADE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 10 SW DOWNTOWN RAPID CI 43.97N 103.38W
05/30/2011 M2.16 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 1 NW PIEDMONT 44.24N 103.41W
05/30/2011 M1.81 INCH MEADE SD NWS EMPLOYEE

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 4 NNW WHITEWOOD 44.51N 103.67W
05/30/2011 M1.31 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 6 ESE BOX ELDER 44.09N 102.96W
05/30/2011 M1.01 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 13 SSE WALL 43.82N 102.14W
05/30/2011 M1.00 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 SSW LEAD 44.29N 103.81W
05/30/2011 M1.43 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL...ALSO HAD 0.6 INCH OF SNOW.

0700 AM HEAVY RAIN 5 NE DOWNTOWN BELLE FOU 44.72N 103.78W
05/30/2011 M1.19 INCH BUTTE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 17 S DOWNTOWN NEWCASTLE 43.61N 104.20W
05/30/2011 M0.94 INCH WESTON WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN SILVER CITY 44.09N 103.57W
05/30/2011 M1.59 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN HERMOSA 43.84N 103.19W
05/30/2011 M1.48 INCH CUSTER SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 34 WNW HULETT 44.87N 105.25W
05/30/2011 M0.45 INCH CAMPBELL WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 6 SW UPTON 44.04N 104.71W
05/30/2011 M1.41 INCH WESTON WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 4 NNE ROZET 44.34N 105.17W
05/30/2011 M1.24 INCH CAMPBELL WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 6 SW BEULAH 44.47N 104.17W
05/30/2011 M0.65 INCH CROOK WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 15 ENE MOORCROFT 44.35N 104.67W
05/30/2011 M0.61 INCH CROOK WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 4 WNW DOWNTOWN GILLETTE 44.31N 105.58W
05/30/2011 M1.55 INCH CAMPBELL WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 11 N PORCUPINE 43.39N 102.33W
05/30/2011 M0.88 INCH SHANNON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 1 SSW DOWNTOWN HOT SPRI 43.42N 103.49W
05/30/2011 M0.99 INCH FALL RIVER SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 12 SSW OELRICHS 43.02N 103.32W
05/30/2011 M0.95 INCH FALL RIVER SD COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 4 SW NEWELL 44.68N 103.47W
05/30/2011 M0.94 INCH BUTTE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 24 SW BISON 45.28N 102.81W
05/30/2011 M0.73 INCH PERKINS SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN DOWNTOWN SPEARFISH 44.50N 103.86W
05/30/2011 M0.70 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 11 SW LEMMON 45.83N 102.32W
05/30/2011 M0.65 INCH PERKINS SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 3 WNW KADOKA 43.85N 101.56W
05/30/2011 M0.62 INCH JACKSON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 20 ENE MARTIN 43.28N 101.36W
05/30/2011 M0.60 INCH BENNETT SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN HOOVER 45.11N 103.27W
05/30/2011 M0.95 INCH BUTTE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN OELRICHS 43.18N 103.23W
05/30/2011 M0.81 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN ORAL 43.40N 103.27W
05/30/2011 M1.17 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN OPAL 44.89N 102.61W
05/30/2011 M0.43 INCH MEADE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN PACTOLA RESERVOIR 44.07N 103.50W
05/30/2011 M2.07 INCH PENNINGTON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 3 SSW DOWNTOWN RAPID CI 44.04N 103.26W
05/30/2011 M2.34 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 SW DOWNTOWN RAPID CIT 44.02N 103.30W
05/30/2011 M2.27 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0800 AM HEAVY RAIN OGLALA 43.18N 102.73W
05/30/2011 M0.71 INCH SHANNON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0800 AM HEAVY RAIN 1 SE DOWNTOWN RAPID CIT 44.06N 103.22W
05/30/2011 M1.99 INCH PENNINGTON SD OFFICIAL NWS OBS

TWO-DAY TOTAL RAINFALL AT NWS RAPID CITY

1000 AM HEAVY RAIN 7 SW DOWNTOWN RAPID CIT 44.00N 103.33W
05/30/2011 M2.58 INCH PENNINGTON SD NWS EMPLOYEE

&&

$$

CALDERON

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KUNR [301853]: Preliminary Local Storm Report

NWUS53 KUNR 301853
LSRUNR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1253 PM MDT MON MAY 30 2011

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

0700 AM HEAVY RAIN 4 NNE ROZET 44.34N 105.17W
05/30/2011 M1.24 INCH CAMPBELL WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 6 SW BEULAH 44.47N 104.17W
05/30/2011 M0.65 INCH CROOK WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 15 ENE MOORCROFT 44.35N 104.67W
05/30/2011 M0.61 INCH CROOK WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 4 WNW DOWNTOWN GILLETTE 44.31N 105.58W
05/30/2011 M1.55 INCH CAMPBELL WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 34 WNW HULETT 44.87N 105.25W
05/30/2011 M0.45 INCH CAMPBELL WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 6 SW UPTON 44.04N 104.71W
05/30/2011 M1.41 INCH WESTON WY COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 17 S DOWNTOWN NEWCASTLE 43.61N 104.20W
05/30/2011 M0.94 INCH WESTON WY COCORAHS

TWO-DAY RAINFALL TOTAL

&&

$$

CALDERON

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KCHS [301853]: Preliminary Local Storm Report

NWUS52 KCHS 301853
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
252 PM EDT MON MAY 30 2011

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

1000 AM RIP CURRENTS TYBEE ISLAND 32.02N 80.86W
05/30/2011 CHATHAM GA LIFEGUARD

TYBEE ISLAND LIFEGUARD REPORTED A COUPLE RIP CURRENTS
SPOTTED AT BOTH THE NORTH AND SOUTH END OF THE ISLAND.

&&

EVENT NUMBER CHS1100425

$$

JHP

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KDLH [301845]: Preliminary Local Storm Report

NWUS53 KDLH 301845
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
145 PM CDT MON MAY 30 2011

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

1215 PM HAIL 2 N SHELL LAKE 45.77N 91.90W
05/30/2011 M0.50 INCH WASHBURN WI TRAINED SPOTTER

&&

$$

SGOHDE

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MESO: Mesoscale Discussion 1029

ACUS11 KWNS 301841
SWOMCD
SPC MCD 301840
MNZ000-IAZ000-SDZ000-NDZ000-NEZ000-302015-

MESOSCALE DISCUSSION 1029
NWS STORM PREDICTION CENTER NORMAN OK
0140 PM CDT MON MAY 30 2011

AREAS AFFECTED...CENTRAL NEB/EASTERN SD INTO SOUTHEAST ND/WESTERN MN

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 301840Z - 302015Z

SEVERE/TORNADO THREAT IS EXPECTED TO INCREASE THROUGH LATE
AFTERNOON/EARLY EVENING...PERHAPS INITIALLY ACROSS
WEST-CENTRAL/NORTH-CENTRAL NEB INTO SOUTHEAST SD. ONE OR MORE
TORNADO WATCHES WILL BE NEEDED BY MID AFTERNOON /LIKELY BY 20Z/.

18Z SUBJECTIVE SURFACE ANALYSIS REFLECTS A 996 MB SURFACE LOW ACROSS
EASTERN SD BETWEEN HURON AND ABERDEEN...WITH A COLD FRONT EXTENDING
SOUTHWESTWARD FROM THE LOW INTO WESTERN NEB NEAR/WEST OF NORTH
PLATTE...WITH EARLY AFTERNOON VISIBLE SATELLITE IMAGERY REFLECTING
AN INCREASING SURFACE BASED CU FIELD NEAR/JUST EAST OF THE COLD
FRONT /ESPECIALLY ACROSS NEB/. WITH STRONGER DPVA/IMPLIED ASCENT NOW
BEGINNING TO OVERSPREAD THE NORTH-CENTRAL HIGH PLAINS...AN INCREASE
IN DEEP CONVECTION IS EXPECTED IN VICINITY OF THE FRONTAL ZONE BY
MID/LATE AFTERNOON...WITH AN ASSORTMENT OF NUMERICAL GUIDANCE
/INCLUDING EXPERIMENTAL HRRR/ INDICATIVE OF DEEP CONVECTION AS EARLY
AS 20-21Z.

AFOREMENTIONED ASCENT COUPLED WITH AMPLE PRE-FRONTAL HEATING AND
MIDDLE/UPPER 60S F SURFACE DEWPOINTS WILL CONTRIBUTE TO WEAKENING
CINH AMID MODERATE INSTABILITY. IN CONJUNCTION WITH A
STRENGTHENING/BUT LARGELY UNIDIRECTIONAL WIND FIELD...INITIAL MODAL
SUPERCELLS CAPABLE OF SOME TORNADOES/LARGE HAIL ARE LIKELY. STORMS
SHOULD ULTIMATELY CONGEAL THROUGH EARLY/MID EVENING...WITH MORE OF A
WIDESPREAD DAMAGING WIND THREAT EVOLVING AS WELL.

..GUYER.. 05/30/2011

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

ATTN...WFO...MPX...FGF...FSD...OAX...ABR...GID...LBF...

LAT...LON 41320097 42809946 44969838 46039726 45889613 44649596
43879632 43109680 41709790 41059836 40479916 40630076
41320097

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KCYS [301841]: Preliminary Local Storm Report

NWUS55 KCYS 301841
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1241 PM MDT MON MAY 30 2011

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

1205 PM NON-TSTM WND GST 11 SSW HANNA 41.72N 106.64W
05/30/2011 E59 MPH CARBON WY DEPT OF HIGHWAYS

THIS IS WYDOT SITE AT DANA RIDGE.

&&

$$

DDEAL

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KDLH [301841]: Preliminary Local Storm Report

NWUS53 KDLH 301841
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
141 PM CDT MON MAY 30 2011

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

1240 PM HAIL 6 NNE LITTLE ROUND LAKE 46.05N 91.32W
05/30/2011 M0.50 INCH SAWYER WI TRAINED SPOTTER

&&

$$

SGOHDE

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KUNR [301838]: Preliminary Local Storm Report...summary

NWUS53 KUNR 301838
LSRUNR

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE RAPID CITY SD
1237 PM MDT MON MAY 30 2011

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

0600 AM HEAVY RAIN EDGEMONT 43.30N 103.83W
05/30/2011 M0.54 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0600 AM HEAVY RAIN ELM SPRINGS 44.31N 102.53W
05/30/2011 M0.75 INCH MEADE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN SILVER CITY 44.09N 103.57W
05/30/2011 M1.59 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN HERMOSA 43.84N 103.19W
05/30/2011 M1.48 INCH CUSTER SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 11 N PORCUPINE 43.39N 102.33W
05/30/2011 M0.88 INCH SHANNON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 1 SSW DOWNTOWN HOT SPRI 43.42N 103.49W
05/30/2011 M0.99 INCH FALL RIVER SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 12 SSW OELRICHS 43.02N 103.32W
05/30/2011 M0.95 INCH FALL RIVER SD COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 4 SW NEWELL 44.68N 103.47W
05/30/2011 M0.94 INCH BUTTE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 24 SW BISON 45.28N 102.81W
05/30/2011 M0.73 INCH PERKINS SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN DOWNTOWN SPEARFISH 44.50N 103.86W
05/30/2011 M0.70 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 11 SW LEMMON 45.83N 102.32W
05/30/2011 M0.65 INCH PERKINS SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 3 WNW KADOKA 43.85N 101.56W
05/30/2011 M0.62 INCH JACKSON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 20 ENE MARTIN 43.28N 101.36W
05/30/2011 M0.60 INCH BENNETT SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN HOOVER 45.11N 103.27W
05/30/2011 M0.95 INCH BUTTE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN OELRICHS 43.18N 103.23W
05/30/2011 M0.81 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN ORAL 43.40N 103.27W
05/30/2011 M1.17 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN OPAL 44.89N 102.61W
05/30/2011 M0.43 INCH MEADE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN PACTOLA RESERVOIR 44.07N 103.50W
05/30/2011 M2.07 INCH PENNINGTON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 3 SSW DOWNTOWN RAPID CI 44.04N 103.26W
05/30/2011 M2.34 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 SW DOWNTOWN RAPID CIT 44.02N 103.30W
05/30/2011 M2.27 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 10 SW DOWNTOWN RAPID CI 43.97N 103.38W
05/30/2011 M2.16 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 1 NW PIEDMONT 44.24N 103.41W
05/30/2011 M1.81 INCH MEADE SD NWS EMPLOYEE

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 4 NNW WHITEWOOD 44.51N 103.67W
05/30/2011 M1.31 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 6 ESE BOX ELDER 44.09N 102.96W
05/30/2011 M1.01 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 13 SSE WALL 43.82N 102.14W
05/30/2011 M1.00 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 SSW LEAD 44.29N 103.81W
05/30/2011 M1.43 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL...ALSO HAD 0.6 INCH OF SNOW.

0700 AM HEAVY RAIN 5 NE DOWNTOWN BELLE FOU 44.72N 103.78W
05/30/2011 M1.19 INCH BUTTE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0800 AM HEAVY RAIN 1 SE DOWNTOWN RAPID CIT 44.06N 103.22W
05/30/2011 M1.99 INCH PENNINGTON SD OFFICIAL NWS OBS

TWO-DAY TOTAL RAINFALL AT NWS RAPID CITY

0800 AM HEAVY RAIN OGLALA 43.18N 102.73W
05/30/2011 M0.71 INCH SHANNON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

1000 AM HEAVY RAIN 7 SW DOWNTOWN RAPID CIT 44.00N 103.33W
05/30/2011 M2.58 INCH PENNINGTON SD NWS EMPLOYEE

&&

$$

CALDERON

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KUNR [301837]: Preliminary Local Storm Report

NWUS53 KUNR 301837
LSRUNR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1236 PM MDT MON MAY 30 2011

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

0600 AM HEAVY RAIN EDGEMONT 43.30N 103.83W
05/30/2011 M0.54 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0600 AM HEAVY RAIN ELM SPRINGS 44.31N 102.53W
05/30/2011 M0.75 INCH MEADE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN HERMOSA 43.84N 103.19W
05/30/2011 M1.48 INCH CUSTER SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN SILVER CITY 44.09N 103.57W
05/30/2011 M1.59 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 NE DOWNTOWN BELLE FOU 44.72N 103.78W
05/30/2011 M1.19 INCH BUTTE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 SSW LEAD 44.29N 103.81W
05/30/2011 M1.43 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL...ALSO HAD 0.6 INCH OF SNOW.

0700 AM HEAVY RAIN 13 SSE WALL 43.82N 102.14W
05/30/2011 M1.00 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 6 ESE BOX ELDER 44.09N 102.96W
05/30/2011 M1.01 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 4 NNW WHITEWOOD 44.51N 103.67W
05/30/2011 M1.31 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 1 NW PIEDMONT 44.24N 103.41W
05/30/2011 M1.81 INCH MEADE SD NWS EMPLOYEE

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 10 SW DOWNTOWN RAPID CI 43.97N 103.38W
05/30/2011 M2.16 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 5 SW DOWNTOWN RAPID CIT 44.02N 103.30W
05/30/2011 M2.27 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 3 SSW DOWNTOWN RAPID CI 44.04N 103.26W
05/30/2011 M2.34 INCH PENNINGTON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN PACTOLA RESERVOIR 44.07N 103.50W
05/30/2011 M2.07 INCH PENNINGTON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 11 N PORCUPINE 43.39N 102.33W
05/30/2011 M0.88 INCH SHANNON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN ORAL 43.40N 103.27W
05/30/2011 M1.17 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN OPAL 44.89N 102.61W
05/30/2011 M0.43 INCH MEADE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN OELRICHS 43.18N 103.23W
05/30/2011 M0.81 INCH FALL RIVER SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN HOOVER 45.11N 103.27W
05/30/2011 M0.95 INCH BUTTE SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 20 ENE MARTIN 43.28N 101.36W
05/30/2011 M0.60 INCH BENNETT SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 3 WNW KADOKA 43.85N 101.56W
05/30/2011 M0.62 INCH JACKSON SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 11 SW LEMMON 45.83N 102.32W
05/30/2011 M0.65 INCH PERKINS SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN DOWNTOWN SPEARFISH 44.50N 103.86W
05/30/2011 M0.70 INCH LAWRENCE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 24 SW BISON 45.28N 102.81W
05/30/2011 M0.73 INCH PERKINS SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 4 SW NEWELL 44.68N 103.47W
05/30/2011 M0.94 INCH BUTTE SD COCORAHS

TWO-DAY TOTAL RAINFALL

0700 AM HEAVY RAIN 12 SSW OELRICHS 43.02N 103.32W
05/30/2011 M0.95 INCH FALL RIVER SD COCORAHS

TWO-DAY RAINFALL TOTAL

0700 AM HEAVY RAIN 1 SSW DOWNTOWN HOT SPRI 43.42N 103.49W
05/30/2011 M0.99 INCH FALL RIVER SD COCORAHS

TWO-DAY TOTAL RAINFALL

0800 AM HEAVY RAIN 1 SE DOWNTOWN RAPID CIT 44.06N 103.22W
05/30/2011 M1.99 INCH PENNINGTON SD OFFICIAL NWS OBS

TWO-DAY TOTAL RAINFALL AT NWS RAPID CITY

0800 AM HEAVY RAIN OGLALA 43.18N 102.73W
05/30/2011 M0.71 INCH SHANNON SD CO-OP OBSERVER

TWO-DAY RAINFALL TOTAL

1000 AM HEAVY RAIN 7 SW DOWNTOWN RAPID CIT 44.00N 103.33W
05/30/2011 M2.58 INCH PENNINGTON SD NWS EMPLOYEE

&&

$$

CALDERON

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KLKN [301812]: Preliminary Local Storm Report...corrected

NWUS55 KLKN 301812
LSRLKN

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE ELKO NV
1111 AM PDT MON MAY 30 2011

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

0519 AM HEAVY SNOW ELY 39.25N 114.88W
05/30/2011 M9.0 INCH WHITE PINE NV CO-OP OBSERVER

ELY SNOW OBSERVER -- 6500 AMSL -- UPDATED TOTAL

1000 AM HEAVY SNOW 5 W GREAT BASIN NATIONA 39.02N 114.32W
05/30/2011 M18.0 INCH WHITE PINE NV MESONET

WHEELER PEAK SNOTEL -- 10147 FT AMSL -- UPDATED TOTAL

1000 AM HEAVY SNOW 10 ESE MCGILL 39.32N 114.62W
05/30/2011 M25.0 INCH WHITE PINE NV MESONET

BERRY CREEK SNOTEL -- 9100 FT AMSL -- UPDATED TOTAL

1000 AM HEAVY SNOW 6 NNW RUBY LAKE 40.28N 115.53W
05/30/2011 M13.0 INCH ELKO NV MESONET

CORRAL CANYON SNOTEL -- 8500 FT AMSL

1000 AM HEAVY SNOW 6 WNW GILLMAN SPRINGS 39.29N 117.11W
05/30/2011 M12.0 INCH LANDER NV MESONET

BIG CREEK SUM SNOTEL -- 8700 FT AMSL

1000 AM HEAVY SNOW 9 SSW ELY 39.13N 114.96W
05/30/2011 M14.0 INCH WHITE PINE NV MESONET

WARD MOUNTAIN SNOTEL -- 9200 FT AMSL

&&

$$

MZ

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KDLH [301747]: Preliminary Local Storm Report

NWUS53 KDLH 301747
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1247 PM CDT MON MAY 30 2011

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

1235 PM TSTM WND DMG 5 W SARONA 45.71N 91.91W
05/30/2011 WASHBURN WI TRAINED SPOTTER

REPORT OF SEVERAL 8 INCH DIAMETER TREES DOWN ALONG COUNTY
ROAD D.

&&

$$

SGOHDE

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KGGW [301746]: Preliminary Local Storm Report

NWUS55 KGGW 301746
LSRGGW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1146 AM MDT MON MAY 30 2011

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

1058 AM HEAVY RAIN 8 E WOLF POINT 48.11N 105.47W
05/30/2011 M1.00 INCH ROOSEVELT MT TRAINED SPOTTER

MEASURED 1.00 INCH THROUGH THIS TIME PERIOD.

0812 AM HEAVY RAIN 2 WSW GLENDIVE 47.10N 104.75W
05/30/2011 M1.01 INCH DAWSON MT TRAINED SPOTTER

MEASURED 1.01 INCHES OF PRECIP THROUGH THIS TIME PERIOD.

&&

$$

RMORGAN

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KMPX [301746]: Preliminary Local Storm Report

NWUS53 KMPX 301746
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1246 PM CDT MON MAY 30 2011

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

1240 PM HAIL 3 SE RED WING 44.55N 92.56W
05/30/2011 M2.00 INCH GOODHUE MN TRAINED SPOTTER

&&

$$

CARLYON

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KFSD [301745]: Preliminary Local Storm Report

NWUS53 KFSD 301745
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1244 PM CDT MON MAY 30 2011

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

1205 AM HAIL 1 SE BRANDON 43.58N 96.57W
05/30/2011 M1.25 INCH MINNEHAHA SD TRAINED SPOTTER

0345 AM HAIL WHITE 44.43N 96.65W
05/30/2011 M1.25 INCH BROOKINGS SD PUBLIC

0410 AM HAIL HENDRICKS 44.51N 96.43W
05/30/2011 M1.25 INCH LINCOLN MN PUBLIC

&&

$$

KWEISSER

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 301731
SWODY2
SPC AC 301729

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1229 PM CDT MON MAY 30 2011

VALID 311200Z - 011200Z

...THERE IS A SLGT RISK OF SVR TSTMS TUE ACROSS PARTS OF THE UPPER
MIDWEST/GREAT LAKES REGION...

...SYNOPSIS...
MID-LEVEL SUBTROPICAL RIDGING NOW PRESENT ACROSS MUCH OF THE EASTERN
U.S...SOUTHWESTWARD INTO THE MEXICAN PLATEAU...APPEARS LIKELY TO
REMAIN GENERALLY STRONG THROUGH THIS FORECAST PERIOD.
HOWEVER...MODELS STILL INDICATE THAT ONE IN A SERIES OF CLOSED
LOWS/SHORT WAVE TROUGHS WILL CONTINUE PROGRESSING WITHIN SEASONABLY
STRONGER FLOW AROUND ITS WESTERN AND NORTHERN PERIPHERY.

THE CYCLONIC CIRCULATION CENTER ASSOCIATED WITH THIS LATTER FEATURE
IS PROGGED TO SHIFT INTO AREAS NEAR OR JUST NORTH OF THE NORTH
DAKOTA/SASKATCHEWAN BORDER AREA AT 12Z TUESDAY...BEFORE
WEAKENING/BROADENING AND ACCELERATING EAST NORTHEASTWARD INTO
NORTHERN ONTARIO BY 12Z WEDNESDAY. THIS IS EXPECTED TO OCCUR AS A
SMALLER SCALE SHORT WAVE IMPULSE PIVOTS AROUND ITS SOUTHERN/ EASTERN
PERIPHERY...THROUGH THE UPPER MISSISSIPPI VALLEY/GREAT LAKES REGION
DURING THE DAY TUESDAY...INTO WESTERN QUEBEC BY THE END OF THE
PERIOD.

SOUTH OF A BROAD DEEP SURFACE CYCLONE ACCOMPANYING THE UPPER LOW...A
COLD FRONT WILL ADVANCE THROUGH MUCH OF THE UPPER MIDWEST/GREAT
LAKES/OHIO AND MIDDLE MISSISSIPPI VALLEY REGION. HOWEVER...THE
FRONT/PRE-FRONTAL DRY LINE ACROSS THE CENTRAL AND SOUTHERN PLAINS
LIKELY WILL WEAKEN AND LIFT NORTHWARD/RETREAT WESTWARD...AS THE
CENTER OF RIDGING ALOFT SHIFTS WEST OF THE LOWER MISSISSIPPI
VALLEY...AND ANOTHER CLOSED LOW/SHORT WAVE TROUGH DIGS INTO THE
PACIFIC COAST.

...UPPER MIDWEST/GREAT LAKES REGION...
REMNANTS OF CONSIDERABLE DAY 1 CONVECTIVE DEVELOPMENT MAY BE IN THE
PROCESS OF SPREADING ACROSS MUCH OF THE UPPER HALF OF THE
MISSISSIPPI VALLEY EARLY TUESDAY. AND THE INFLUENCE OF ASSOCIATED
CLOUD COVER AND PRECIPITATION ON SUBSEQUENT DOWNSTREAM PRE-FRONTAL
DESTABILIZATION REMAINS UNCLEAR. STRONGER LOW-LEVEL CONVERGENCE
ALSO APPEARS LIKELY TO REMAIN FOCUSED NORTH OF THE INTERNATIONAL
BORDER AREA THROUGH THE PERIOD...WHICH MAY ALSO SUBSTANTIALLY IMPACT
THE CONVECTIVE POTENTIAL.

HOWEVER...THE WARM SECTOR BOUNDARY LAYER SHOULD BE SEASONABLY MOIST
/UPPER 60S NEAR 70F SURFACE DEW POINTS/...AND INSOLATION PROBABLY
WILL BE SUFFICIENT TO CONTRIBUTE TO MODERATE CAPE BY THE AFTERNOON.
COUPLED WITH FAVORABLE MID-LEVEL FORCING FOR UPWARD VERTICAL MOTION
EXPECTED TO SPREAD ACROSS EASTERN WISCONSIN AND MICHIGAN NEAR AND
AFTER PEAK HEATING...THIS SHOULD BE SUFFICIENT TO INITIATE NEW
CONVECTIVE DEVELOPMENT. IN THE PRESENCE OF SHEARED 40+ KT WESTERLY
DEEP LAYER MEAN FLOW FIELDS /STRONGEST NEAR AND NORTH OF THE
INTERNATIONAL BORDER/...ISOLATED SUPERCELLS WILL BE POSSIBLE BEFORE
UPSCALE CONVECTIVE GROWTH INTO ONE OR MORE ORGANIZED CONVECTIVE
LINES OR CLUSTERS OCCURS. DAMAGING WIND GUSTS AND HAIL APPEAR THE
PRIMARY SEVERE THREATS...BUT TORNADOES WILL BE POSSIBLE...BEFORE THE
THREAT DIMINISHES/SPREADS INTO ONTARIO TUESDAY EVENING.

...LEE OF THE LWR GREAT LAKES/OH VLY INTO S ATLC COAST STATES...
DAYTIME HEATING OF A VERY MOIST BOUNDARY LAYER IS EXPECTED TO YIELD
MODERATE TO STRONG CAPE BY TUESDAY AFTERNOON BENEATH UPPER RIDGING.
ALTHOUGH FORCING REMAINS UNCERTAIN...AND SHEAR WILL BE
WEAK...THERMODYNAMIC PROFILES SHOULD BE SUPPORTIVE OF AT LEAST LOW
SEVERE PROBABILITIES...WITH THE BEST CHANCE FOR SCATTERED STORM
DEVELOPMENT ON THE PERIPHERY OF THE WEAKENING MID-LEVEL HIGH CENTER.

..KERR.. 05/30/2011

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KMPX [301714]: Preliminary Local Storm Report

NWUS53 KMPX 301714
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1214 PM CDT MON MAY 30 2011

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

1214 PM HAIL 5 NW CUMBERLAND 45.59N 92.10W
05/30/2011 M1.00 INCH BARRON WI TRAINED SPOTTER

&&

$$

CARLYON

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KIWX [301703]: Preliminary Local Storm Report...summary

NWUS53 KIWX 301703
LSRIWX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORTHERN INDIANA
102 PM EDT MON MAY 30 2011

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

0255 PM TSTM WND DMG WANATAH 41.43N 86.90W
05/29/2011 LAPORTE IN PUBLIC

POWER LINES DOWN ON 421 AND US 30

0304 PM TSTM WND DMG 3 S HANNA 41.37N 86.78W
05/29/2011 LA PORTE IN TRAINED SPOTTER

4 POWER POLES AND LARGE TREE LIMBS DOWN

0304 PM TSTM WND DMG 4 S WANATAH 41.37N 86.90W
05/29/2011 LA PORTE IN EMERGENCY MNGR

TREES AND POWER LINES DOWN CAUSING ROUTE 421 TO BE
CLOSED BETWEEN ROUTE 30 AND ROUTE 8. TWO RESIDENCES ALSO
DAMAGED BY HIGH WINDS.

0305 PM TSTM WND DMG S FRANCESVILLE 40.99N 86.88W
05/29/2011 PULASKI IN LAW ENFORCEMENT

POWER POLES DOWN ON 421. TREES DOWN ACROSS COUNTY

0315 PM TSTM WND DMG HAMLET 41.55N 86.58W
05/29/2011 STARKE IN LAW ENFORCEMENT

MULTIPLE REPORTS OF TREES DOWN IN TOWN AND AT
INTERSECTIONS OF 23 AND 300 N AND INTERSECTION OF 39 AND
SR 8

0315 PM MARINE TSTM WIND 2 NNW MICHIGAN CITY 41.74N 86.91W
05/29/2011 M39 MPH LMZ046 IN C-MAN STATION

0325 PM TSTM WND DMG PLYMOUTH 41.34N 86.31W
05/29/2011 MARSHALL IN LAW ENFORCEMENT

TRAFFIC LIGHT DOWN AT US 30 AND QUEEN ROAD. TIME
ESTIMATED FROM RADAR.

0325 PM TSTM WND DMG PLYMOUTH 41.34N 86.31W
05/29/2011 MARSHALL IN LAW ENFORCEMENT

TREES DOWN IN THE CITY OF PLYMOUTH

0333 PM TSTM WND DMG 2 N LAKEVILLE 41.55N 86.27W
05/29/2011 ST. JOSEPH IN TRAINED SPOTTER

TREES DOWN AT US 31 AND NEW ROAD. ONE TREE BLOCKING
ROAD

0335 PM TSTM WND DMG N BREMEN 41.45N 86.15W
05/29/2011 MARSHALL IN EMERGENCY MNGR

TREE DOWN IN THE 1800 BLOCK OF US 6

0337 PM TSTM WND DMG 2 S BREMEN 41.42N 86.15W
05/29/2011 MARSHALL IN EMERGENCY MNGR

TREE DOWN ON FIR RD AND 6TH ROAD

0338 PM FUNNEL CLOUD S MISHAWAKA 41.66N 86.16W
05/29/2011 ST. JOSEPH IN TRAINED SPOTTER

0340 PM FUNNEL CLOUD 3 SW SIMONTON LAKE 41.72N 86.02W
05/29/2011 ELKHART IN TRAINED SPOTTER

0345 PM TSTM WND DMG DUNLAP 41.64N 85.92W
05/29/2011 ELKHART IN TRAINED SPOTTER

3 LARGE TREES DOWN...1 ON CAR...ON REBECCA LANE. NO
INJURIES.

0350 PM TSTM WND DMG ELKHART 41.68N 85.98W
05/29/2011 ELKHART IN LAW ENFORCEMENT

WIDESPREAD TREE AND POWER LINE DAMAGE ACROSS THE COUNTY

0350 PM TSTM WND DMG MILFORD 41.41N 85.85W
05/29/2011 KOSCIUSKO IN LAW ENFORCEMENT

NUMEROUS REPORTS OF TREES AND POWER LINES FROM MILFORD
TO SYRACUSE

0405 PM TSTM WND DMG 3 S MIDWAY 41.58N 85.89W
05/29/2011 ELKHART IN AMATEUR RADIO

POWER LINES DOWN ON ROAD AT COUNTY ROADS 17 AND 32.
TREE LIMBS OF 3-4 INCH DIAMETER ALSO DOWN.

0406 PM TSTM WND DMG 3 ENE MIDWAY 41.65N 85.83W
05/29/2011 ELKHART IN AMATEUR RADIO

POWER LINES DOWN WEST OF STATE ROAD 15 ON COUNTY ROAD
20.

0410 PM TSTM WND DMG 5 N THREE RIVERS 42.02N 85.63W
05/29/2011 ST. JOSEPH MI TRAINED SPOTTER

LARGE TREE DOWN AND ANOTHER TREE SPLIT

0410 PM TSTM WND DMG MOORE PARK 42.01N 85.64W
05/29/2011 ST. JOSEPH MI EMERGENCY MNGR

TREES DOWN ON 6 TO 10 HOUSES. UPROOTED TREES AS WELL

0414 PM TSTM WND GST 4 W ALBION 41.40N 85.50W
05/29/2011 E70 MPH NOBLE IN TRAINED SPOTTER

PEA SIZED HAIL ALSO REPORTED.

0415 PM TSTM WND DMG NW THREE RIVERS 41.94N 85.63W
05/29/2011 ST. JOSEPH MI EMERGENCY MNGR

NUMEROUS REPORTS OF TREES AND POWER LINES DOWN

0418 PM TSTM WND DMG S MONGO 41.68N 85.28W
05/29/2011 LAGRANGE IN AMATEUR RADIO

LARGE TREE BLOCKING SR 3 JUST SOUTH OF TOWN

0423 PM TSTM WND DMG 2 W LAKE JAMES 41.71N 85.09W
05/29/2011 STEUBEN IN TRAINED SPOTTER

TREE ONTO HOUSE IN THE LAKE GAUGE AREA

0424 PM TSTM WND DMG FLINT 41.65N 85.13W
05/29/2011 STEUBEN IN AMATEUR RADIO

REPORT OF A ROOF PEELED TWO THIRDS OF THE WAY BACK ON A
HOUSE.

0425 PM TSTM WND DMG FLINT 41.65N 85.13W
05/29/2011 STEUBEN IN AMATEUR RADIO

TREE DOWN ON 100 N EAST OF FLINT ROAD. ALSO PEA SIZE
HAIL

0430 PM TSTM WND DMG COLDWATER 41.94N 85.00W
05/29/2011 BRANCH MI EMERGENCY MNGR

NUMEROUS REPORTS OF TREES AND POWER LINES DOWN IN
NORTHERN PART OF COUNTY

0430 PM TSTM WND DMG 4 NNW ANGOLA 41.69N 85.03W
05/29/2011 STEUBEN IN TRAINED SPOTTER

TWO LARGE TREES UPROOTED NEAR 200N AND 110W

0432 PM TORNADO COLDWATER 41.94N 85.00W
05/29/2011 BRANCH MI EMERGENCY MNGR

MULTIPLE REPORTS OF DAMAGE FOR A QUARTER OF A MILE IN
THE AREA OF US 12 AND I69 IN COLDWATER. ROOF OFF HOUSE
AND POLE BARN. ROOF AND DOORS OFF STORAGE FACILITY.
DEBRIS CROSSED I69 INTO WALMART PARKING LOT. NUMEROUS
WITNESSES OF TORNADO.

0433 PM TSTM WND DMG FREMONT 41.73N 84.93W
05/29/2011 STEUBEN IN AMATEUR RADIO

SEVERAL POWER LINES AND TREES DOWN IN FREMONT. TIME
ESTIMATED FROM RADAR.

0435 PM HAIL 1 E ANGOLA 41.63N 84.98W
05/29/2011 M1.00 INCH STEUBEN IN AMATEUR RADIO

0435 PM TSTM WND DMG ANGOLA 41.63N 85.00W
05/29/2011 STEUBEN IN LAW ENFORCEMENT

MULTIPLE TREES DOWN ACROSS COUNTY

0437 PM TSTM WND DMG CLEAR LAKE 41.74N 84.83W
05/29/2011 STEUBEN IN AMATEUR RADIO

TREES DOWN. TIME ESTIMATED FROM RADAR.

0440 PM TSTM WND DMG AUBURN 41.37N 85.06W
05/29/2011 DEKALB IN LAW ENFORCEMENT

MULTIPLE REPORTS OF TREES DOWN

0440 PM TSTM WND DMG CLEAR LAKE 41.74N 84.83W
05/29/2011 STEUBEN IN EMERGENCY MNGR

2 GARAGES FLATTENED IN CLEAR LAKE. TREES DOWN ON 6
HOUSES IN LAKE GAUGE AREA. NUMEROUS REPORTS OF TREE
DAMAGE OVER NORTHERN PORTION OF COUNTY.

0455 PM TSTM WND DMG 4 N BRYAN 41.53N 84.55W
05/29/2011 WILLIAMS OH EMERGENCY MNGR

POWER POLES DOWN ON SR 15

0458 PM TSTM WND GST WEST UNITY 41.59N 84.43W
05/29/2011 E65 MPH WILLIAMS OH PUBLIC

ESTIMATED 60-70 MPH WIND GUSTS

0500 PM TSTM WND DMG 2 SW FAYETTE 41.65N 84.35W
05/29/2011 FULTON OH EMERGENCY MNGR

DAMAGE TO CAMPERS AND TREES DOWN IN HARRISON LAKE AREA

0515 PM TSTM WND DMG ARCHBOLD 41.52N 84.31W
05/29/2011 FULTON OH EMERGENCY MNGR

2 MILE STRETCH OF POWER POLES DOWN ON ST RT 66 STARTING
AT ST RT 2

0515 PM TSTM WND DMG 3 NE TEDROW 41.64N 84.17W
05/29/2011 FULTON OH EMERGENCY MNGR

TREES DOWN AT COUNTY ROAD 16 AND COUNTY ROAD M

0519 PM TSTM WND GST LYONS 41.70N 84.07W
05/29/2011 M64 MPH FULTON OH TRAINED SPOTTER

0531 PM TSTM WND GST 1 S ASSUMPTION 41.66N 83.91W
05/29/2011 M59 MPH FULTON OH MESONET

0540 PM TSTM WND DMG 4 NNE TEDROW 41.65N 84.19W
05/29/2011 FULTON OH EMERGENCY MNGR

HOUSE TRAILER SUFFERED ROOF DAMAGE ON COUNTY ROAD N
BETWEEN 16 AND 16-3. TREES ALSO DOWN.

&&

EVENT NUMBER IWX1100939 IWX1100976 IWX1100978 IWX1100974 IWX1100940
IWX1100944 IWX1100941 IWX1100943 IWX1100942 IWX1100947 IWX1100946
IWX1100945 IWX1100948 IWX1100949 IWX1100951 IWX1100973 IWX1100950
IWX1100953 IWX1100954 IWX1100977 IWX1100952 IWX1100958 IWX1100955
IWX1100963 IWX1100962 IWX1100956 IWX1100960 IWX1100981 IWX1100971
IWX1100964 IWX1100957 IWX1100959 IWX1100965 IWX1100972 IWX1100980
IWX1100961 IWX1100975 IWX1100966 IWX1100967 IWX1100969 IWX1100968
IWX1100979 IWX1100970

$$

NDM

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KMPX [301637]: Preliminary Local Storm Report

NWUS53 KMPX 301637
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1137 AM CDT MON MAY 30 2011

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

1135 AM HAIL 4 W TURTLE LAKE 45.39N 92.22W
05/30/2011 M1.00 INCH POLK WI TRAINED SPOTTER

&&

$$

CARLYON

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DAY1SVR: Public Severe Weather Outlook (Automatic)

661
WOUS40 KWNS 301634
PWOSPC
MNZ000-NDZ000-NEZ000-SDZ000-310200-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1134 AM CDT MON MAY 30 2011

...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE NORTHERN PLAINS
THIS AFTERNOON AND EVENING...

THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF TORNADOES...LARGE HAIL AND DAMAGING WINDS OVER PARTS
OF THE NORTHERN PLAINS THIS AFTERNOON AND EVENING.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

WESTERN MINNESOTA
EXTREME SOUTHEAST NORTH DAKOTA
CENTRAL NEBRASKA
EASTERN SOUTH DAKOTA

ELSEWHERE..SURROUNDING THE MODERATE RISK AREA...SEVERE THUNDERSTORMS
ARE ALSO POSSIBLE FROM NEAR THE KANSAS/OKLAHOMA BORDER VICINITY TO
MINNESOTA.

A STRONG UPPER-LEVEL STORM SYSTEM CURRENTLY OVER THE NORTHERN
ROCKIES WILL MOVE NORTHEASTWARD TOWARD THE NORTHERN PLAINS THROUGH
TONIGHT. AHEAD OF AN ASSOCIATED SURFACE LOW AND COLD FRONT...A WARM
AND MOIST AIR MASS WILL CONTINUE TO DEVELOP NORTHWARD ACROSS THE
PLAINS TODAY...WITH A VERY UNSTABLE ENVIRONMENT IN PLACE ESPECIALLY
ACROSS NEBRASKA...THE EASTERN DAKOTAS...AND WESTERN MINNESOTA BY
LATE THIS AFTERNOON.

SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID TO LATE
AFTERNOON ALONG THE FRONT...AND THE STORMS WILL LIKELY EXPAND INTO A
SQUALL LINE BY LATE EVENING. A FEW TORNADOES...VERY LARGE HAIL...AND
WIDESPREAD DAMAGING WINDS WILL BE POSSIBLE WITH THESE STORMS FROM
LATE AFTERNOON INTO THIS EVENING.

STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS POTENTIALLY
VERY DANGEROUS SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO
REVIEW SEVERE WEATHER SAFETY RULES AND TO LISTEN TO
RADIO...TELEVISION...AND NOAA WEATHER RADIO FOR POSSIBLE
WATCHES...WARNINGS...AND STATEMENTS LATER TODAY.

..GUYER.. 05/30/2011

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KMPX [301628]: Preliminary Local Storm Report

NWUS53 KMPX 301628
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1128 AM CDT MON MAY 30 2011

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

1110 AM HAIL 6 ESE DRESSER 45.33N 92.52W
05/30/2011 M0.75 INCH POLK WI TRAINED SPOTTER

&&

$$

CARLYON

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 301623
SWODY1
SPC AC 301621

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1121 AM CDT MON MAY 30 2011

VALID 301630Z - 311200Z

...THERE IS A MDT RISK OF SVR TSTMS THIS AFTERNOON INTO EARLY
TONIGHT FROM CENTRAL NEB TO ERN SD...WRN MN...AND EXTREME SE ND...

...THERE IS A SLGT RISK OF SVR TSTMS FROM NORTHWEST OK NORTHWARD
ACROSS MUCH OF THE CENTRAL/NORTHERN PLAINS...

A BROAD UPPER TROUGH IS PRESENT TODAY OVER THE WESTERN STATES...WITH
A SHORTWAVE TROUGH EVIDENT IN WATER VAPOR IMAGERY ROUNDING THE BASE
OF THE TROUGH OVER NM. THIS FEATURE WILL LIFT NORTHWARD ACROSS THE
HIGH PLAINS THIS AFTERNOON AND EVENING...LEADING TO AN ACTIVE ZONE
OF SEVERE THUNDERSTORMS FROM CENTRAL KS INTO THE DAKOTAS AND WESTERN
MN.

...NEB/DAKOTAS/MN...
A WEAK SURFACE COLD FRONT CURRENTLY EXTENDS FROM SOUTHEAST ND INTO
NORTH CENTRAL NEB. THIS FRONT WILL MOVE ONLY SLOWLY SOUTHEASTWARD
TODAY...AND WILL LIKELY RETREAT NORTHWARD LATER TODAY OVER ND/MN AS
CYCLOGENESIS OCCURS OVER THE REGION. THE FRONT WILL SERVE AS THE
PRIMARY FOCUS FOR THUNDERSTORM INITIATION THIS AFTERNOON AS FULL
SUNSHINE OCCURS IN THE WARM SECTOR. AFTERNOON MLCAPE VALUES OF
3000+ J/KG ARE EXPECTED...ALONG WITH A NARROW AXIS OF WEAK CINH
ALONG THE FRONT.

PRESENT INDICATIONS ARE THAT STORMS WILL FORM ON THE FRONT AROUND
21Z FROM THE TRIPLE POINT OVER CENTRAL NEB NORTHWARD INTO THE
EASTERN DAKOTAS. STRONG WINDS THROUGH THE TROPOSPHERE WILL PROMOTE
SUPERCELL STORM STRUCTURES. HOWEVER...ORIENTATION OF FRONT TO UPPER
WINDS MAKE STORM-MODE FORECASTS COMPLEX. INITIAL STORMS MAY POSE A
RISK OF TORNADOES. BUT A RATHER QUICK EVOLUTION TO A SQUALL LINE
APPEARS LIKELY WITH EMBEDDED BOWS POSSIBLE. THROUGH THE
EVENING...LARGE HAIL AND DAMAGING WINDS ARE EXPECTED ALONG THE
SQUALL LINE AS IT MOVES INTO WESTERN NEB AND NORTHWEST IA.

...KS SOUTHWARD ACROSS THE HIGH PLAINS...
THE DRYLINE WILL EXTEND FROM CENTRAL NEB SOUTHWARD INTO WESTERN OK
AND WEST TX. THE POTENTIAL FOR CONVECTIVE INITIATION THIS AFTERNOON
AND EVENING IS HIGHEST NEAR THE TRIPLE POINT OVER NEB/NORTHERN
KS...AND DECREASES WITH SOUTHWARD EXTENT. STORMS THAT FORM OVER
NEB/KS WILL POSE A RISK OF LARGE HAIL...DAMAGING WINDS...AND PERHAPS
A TORNADO. HOWEVER...THERE REMAINS CONSIDERABLE UNCERTAINTY
REGARDING COVERAGE AND LONGEVITY OF STORMS. FROM WESTERN OK INTO
WEST TX...ONLY VERY ISOLATED DRYLINE STORMS ARE EXPECTED.

..HART/GRAMS.. 05/30/2011

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