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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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