

761 

WWUS20 KWNS 262202

SEL4

SPC WW 262202

IAZ000-ILZ000-KSZ000-MOZ000-WIZ000-270500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 194

NWS STORM PREDICTION CENTER NORMAN OK

505 PM CDT SUN APR 26 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL INTO NORTHEAST IOWA

       FAR NORTHWEST ILLINOIS

       NORTHEAST KANSAS

       NORTHWEST INTO NORTH CENTRAL MISSOURI

       SOUTHWEST WISCONSIN



EFFECTIVE THIS SUNDAY AFTERNOON FROM 505 PM UNTIL MIDNIGHT CDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHEAST OF

EMPORIA KANSAS TO 60 MILES NORTH NORTHWEST OF DUBUQUE IOWA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 191. WATCH NUMBER 191 WILL NOT BE IN EFFECT AFTER

505 PM CDT. CONTINUE...WW 190...WW 192...WW 193...



DISCUSSION...ACTIVE EVENING ON TAP WITH LARGE...BROKEN LINE OF

STRONG TO SEVERE THUNDERSTORMS EXPECTED TO CONTINUE ENEWD FROM NERN

KS INTO CENTRAL IA/NWRN MO.  ADDITIONAL CLUSTER OF STORMS IS NEAR

SURFACE WARM FRONT OVER NERN IA/SWRN WI AND IS BEING AIDED BY WEAK

SHORTWAVE TROUGH MOVING INTO THE REGION.  SHEAR IS QUITE IMPRESSIVE

ACROSS THE REGION AND WILL SUPPORT THREAT OF SUPERCELLS AND POSSIBLE

TORNADOES WITH ANY SURFACE-BASED ACTIVITY.  LARGE HAIL AND DAMAGING

WINDS ARE ADDITIONAL HAZARDS...ALONG WITH HEAVY RAINFALL.



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 24035.





...EVANS

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