

000 

WWUS20 KWNS 102155

SEL2

SPC WW 102155

IAZ000-ILZ000-MOZ000-110400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 192

NWS STORM PREDICTION CENTER NORMAN OK

455 PM CDT THU APR 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTH-CENTRAL AND SOUTHEAST IOWA

       WEST-CENTRAL ILLINOIS

       NORTHERN MISSOURI



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 455 PM UNTIL

1100 PM CDT.



TORNADOES...HAIL TO 1.5 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 60 STATUTE

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

LAMONI IOWA TO 35 MILES EAST NORTHEAST OF QUINCY ILLINOIS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU2).



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 190...WW 191...



DISCUSSION...STORMS DEVELOPING ACROSS WARM SECTOR ARE RAPIDLY MOVING

NEWD INTO AN INCREASINGLY SHEARED AND DESTABILIZING ENVIRONMENT

ALONG AND JUST SOUTH OF RETREATING WARM FRONT.  AS SUCH...THE

POTENTIAL WILL EXIST FOR SUPERCELLS CAPABLE OF ISOLATED TORNADOES IN

ADDITION TO LARGE HAIL AND LOCALLY DAMAGING WINDS.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

400. MEAN STORM MOTION VECTOR 22040.





...MEAD/HART

