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903 

WWUS20 KWNS 072212

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SPC WW 072212

IAZ000-MNZ000-WIZ000-080500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 398

NWS STORM PREDICTION CENTER NORMAN OK

515 PM CDT MON JUL 7 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST IOWA

  SOUTHEAST MINNESOTA

  SOUTHWEST WISCONSIN



* EFFECTIVE THIS MONDAY AFTERNOON FROM 515 PM UNTIL MIDNIGHT CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST

NORTHWEST OF MANKATO MINNESOTA TO 10 MILES NORTH NORTHEAST OF

MADISON WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 397...



DISCUSSION...TWO CLUSTERS OF THUNDERSTORMS WILL AFFECT THE WATCH

AREA THIS EVENING...ONE NEAR LACROSSE...AND ANOTHER WEST OF

MINNEAPOLIS.  BOTH THUNDERSTORM COMPLEXES WILL POSE A RISK OF

DAMAGING WINDS AND HAIL AS THEY TRACK SOUTHEASTWARD ALONG A SURFACE

BOUNDARY.



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 450. MEAN STORM

MOTION VECTOR 29035.





...HART

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