

000 

WWUS20 KWNS 050114

SEL2

SPC WW 050114

ILZ000-INZ000-MOZ000-050700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 32

NWS STORM PREDICTION CENTER NORMAN OK

715 PM CST MON FEB 4 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL ILLINOIS

       NORTHWEST INDIANA

       CENTRAL AND SOUTHWEST MISSOURI



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 715 PM UNTIL

100 AM CST.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES EAST OF

DANVILLE ILLINOIS TO 5 MILES WEST SOUTHWEST OF JOPLIN MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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.



DISCUSSION...THUNDERSTORMS ARE INCREASING ALONG AND AHEAD OF SURFACE

COLD FRONT OVER CENTRAL MO...AND NORTH OF WARM FRONT OVER CENTRAL

IL.  THESE STORMS ARE LIKELY TO INCREASE IN COVERAGE AND INTENSITY

THROUGH THE EVENING IN REGION OF MARGINAL INSTABILITY AND FAVORABLE

LOW LEVEL WARM ADVECTION.  OBSERVED AND FORECAST SOUNDINGS SUGGEST

THE POTENTIAL FOR HAIL IN STRONGER CELLS THROUGH AT LEAST 07Z.



AVIATION...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 450. MEAN STORM

MOTION VECTOR 24035.





...HART

