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WWUS20 KWNS 172036

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 118

NWS STORM PREDICTION CENTER NORMAN OK

335 PM CDT WED APR 17 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTH CENTRAL ILLINOIS

  NORTHERN INDIANA



* EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 335 PM UNTIL MIDNIGHT

  CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST SOUTHWEST OF

QUINCY ILLINOIS TO 55 MILES EAST NORTHEAST OF LAFAYETTE INDIANA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 113...WW 114...WW

115...WW 116...WW 117...



DISCUSSION...INTENSIFYING STORMS ARE EXPECTED TO DEVELOP EASTWARD

ALONG A RETREATING WARM FRONT ACROSS THE WATCH AREA.  DAMAGING WIND

GUSTS AND LARGE HAIL WILL ACCOMPANY EVOLVING STORM CLUSTERS.

ISOLATED SUPERCELLS ARE ALSO POSSIBLE...PARTICULARLY IN CLOSE

PROXIMITY TO THE FRONT...WITH A RISK FOR TORNADOES BY THIS EVENING.



AVIATION...TORNADOES AND 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 26040.





...KERR

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