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000 

WWUS20 KWNS 110439

SEL2

SPC WW 110439

MNZ000-WIZ000-111000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 682

NWS STORM PREDICTION CENTER NORMAN OK

1140 PM CDT THU JUL 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       LARGE PART OF CENTRAL AND SOUTHERN MINNESOTA

       SMALL PART OF WESTERN WISCONSIN



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1140 PM

UNTIL 500 AM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES SOUTHWEST OF

ALEXANDRIA MINNESOTA TO 60 MILES NORTHEAST OF ROCHESTER

MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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.



OTHER WATCH INFORMATION...CONTINUE...WW 679...WW 680...WW 681...



DISCUSSION...THUNDERSTORMS INCREASING IN INTENSITY ACROSS WRN MN IN

RESPONSE TO THE INSTABILITY AND SHEAR THAT IS AVAILABLE ACROSS SRN

MN INTO WI.  DAMAGING WINDS WILL BECOME INCREASING THREAT AS STORMS

CONTINUE E/SEWD AND DEVELOP INTO SHORT LINE SEGMENTS/BOWS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28030.





...HALES

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