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WWUS20 KWNS 301907

SEL4

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 374

NWS STORM PREDICTION CENTER NORMAN OK

205 PM CDT MON JUN 30 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EASTERN IOWA

  WESTERN AND NORTHERN ILLINOIS

  NORTHEAST MISSOURI

  SOUTHERN WISCONSIN



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 205 PM UNTIL

  700 PM CDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES POSSIBLE

  WIDESPREAD DAMAGING WINDS EXPECTED WITH ISOLATED SIGNIFICANT

    GUSTS TO 85 MPH LIKELY

  WIDESPREAD LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL

    EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST SOUTHWEST OF

CEDAR RAPIDS IOWA TO 40 MILES SOUTH SOUTHEAST OF ROCKFORD

ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 373...



DISCUSSION...ORGANIZING CONVECTIVE SYSTEM WITH EMBEDDED SUPERCELLS

IN CNTRL IA EXPECTED TO CONTINUE GENERALLY E INTO IL THROUGH LATE

AFTN. ADDITIONAL DEVELOPMENT MAY OCCUR BOTH ON THE NRN AND SRN

FLANKS OF THE SQLN...WITH SOME POTENTIAL FOR REAR-INFLOW JET

DEVELOPMENT AND ASSOCIATED EVOLUTION INTO A DERECHO-PRODUCING MCS.

QUALITY OF MOISTURE INFLOW...STRENGTH OF WSWLY DEEP SHEAR...AND

PRESENCE OF EXISTING EMBEDDED CIRCULATIONS SUGGEST POTENTIAL FOR

OCCASIONAL TORNADOES...IN ADDITION TO INCREASINGLY BROAD SWATHS OF

DMGG WIND/HAIL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 75 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

600. MEAN STORM MOTION VECTOR 28045.





...CORFIDI

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