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WWUS20 KWNS 232022

SEL2

SPC WW 232022

IAZ000-ILZ000-WIZ000-LMZ000-240300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 412

NWS STORM PREDICTION CENTER NORMAN OK

320 PM CDT SAT JUL 23 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN IOWA

  NORTHERN ILLINOIS

  SOUTHERN WISCONSIN

  LAKE MICHIGAN



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 320 PM UNTIL

  1000 PM 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



SUMMARY...STRONG TO SEVERE STORMS OVER SOUTHEAST WISCONSIN WILL

CONTINUE DEVELOPING EASTWARD TOWARD LAKE MICHIGAN...WHILE NEW

INTENSE STORMS OVER NORTHEAST IOWA ARE EXPECTED TO ORGANIZE INTO A

LINE AND PROGRESS EASTWARD THROUGH THE EVENING.  DAMAGING WIND GUSTS

AND LARGE HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH NORTHWEST

OF CEDAR RAPIDS IOWA TO 40 MILES SOUTH SOUTHEAST OF RACINE

WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 411...



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 550. MEAN STORM

MOTION VECTOR 26025.





...WEISS

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