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WWUS20 KWNS 041302

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MNZ000-NDZ000-041900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 459

NWS STORM PREDICTION CENTER NORMAN OK

800 AM CDT WED JUL 4 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHWEST MINNESOTA

       FAR NORTHEAST NORTH DAKOTA



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 800 AM UNTIL

200 PM CDT.



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

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST OF

HALLOCK MINNESOTA TO 40 MILES NORTHEAST OF BEMIDJI MINNESOTA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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...AN ONGOING CLUSTER OF TSTMS WILL LIKELY PERSIST

EAST-SOUTHEASTWARD FROM FAR NORTHEAST ND INTO NORTHWEST MN THIS

MORNING. THIS COMPLEX SHOULD CONTINUE TO THRIVE WITHIN A RELATIVELY

FAVORABLE ENVIRONMENT NEAR/NORTHEAST OF A WARM FRONT...WHERE

EAST-SOUTHEASTERLY LOW LEVEL FLOW AND RELATIVELY QUICK SURFACE BASED

DESTABILIZATION WILL SUPPORT STRONG/SEVERE TSTM SUSTENANCE THIS

MORNING. SEVERE HAIL/DAMAGING WINDS WILL BE THE PRIMARY HAZARDS.



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 29040.





...GUYER/MEAD

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