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WWUS20 KWNS 142101

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IAZ000-ILZ000-MNZ000-WIZ000-150400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 256

NWS STORM PREDICTION CENTER NORMAN OK

405 PM CDT TUE JUN 14 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN IOWA

  FAR NORTHWEST ILLINOIS

  SOUTHEAST MINNESOTA

  WESTERN WISCONSIN



* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 405 PM UNTIL

  1100 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER

    POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE NEAR A

NORTHWARD-SHIFTING WARM FRONT...WHILE A QUICKLY APPROACHING SEVERE

LINE OF STORMS ONGOING ACROSS SOUTHERN MINNESOTA AND NORTHERN IOWA

WILL POSE A DAMAGING WIND AND POSSIBLY SOME TORNADO/HAIL RISK

THROUGH THIS EVENING.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH

NORTHEAST OF ROCHESTER MINNESOTA TO 35 MILES SOUTH SOUTHWEST OF

DUBUQUE IOWA.  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 254...WW 255...



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 25025.





...GUYER

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