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043 

WWUS20 KWNS 072341

SEL6

SPC WW 072341

MNZ000-WIZ000-080600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 126

NWS STORM PREDICTION CENTER NORMAN OK

645 PM CDT WED MAY 7 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHERN MINNESOTA

  EXTREME WEST CENTRAL WISCONSIN



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 645 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHWEST

OF REDWOOD FALLS MINNESOTA TO 30 MILES NORTH NORTHEAST OF

ROCHESTER MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 122...WW 123...WW

124...WW 125...



DISCUSSION...ISOLATED STORMS ARE FORMING ALONG THE WARM FRONT JUST

NE OF A SURFACE LOW...AND THIS CONVECTION WILL SPREAD NEWD THROUGH

THE EARLY OVERNIGHT HOURS.  ADDITIONAL STORMS SHOULD ALSO FORM

FARTHER O THE N IN A ZONE OF INCREASING WARM ADVECTION.  AN ISOLATED

TORNADO CANNOT BE RULED OUT WITH THE INITIAL STORMS ALONG THE FRONT

THIS EVENING...BUT THE MAIN THREAT WILL BECOME LARGE HAIL INTO

TONIGHT.



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 24025.





...THOMPSON

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