

136 

WWUS20 KWNS 020653

SEL4

SPC WW 020653

ILZ000-INZ000-021200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 244

NWS STORM PREDICTION CENTER NORMAN OK

155 AM CDT WED JUN 2 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN ILLINOIS

       WESTERN AND CENTRAL INDIANA



EFFECTIVE THIS WEDNESDAY MORNING FROM 155 AM UNTIL 700 AM CDT.



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 80

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH OF

LAFAYETTE INDIANA TO 35 MILES EAST SOUTHEAST OF SALEM ILLINOIS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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.



OTHER WATCH INFORMATION...CONTINUE...WW 242...WW 243...



DISCUSSION...FAST MOVING BOW ECHO OVER IL WILL CONTINUE TO TRACK

EASTWARD AT OVER 40 KNOTS INTO IND.  LEADING EDGE OF STORMS WILL

POSE A RISK OF DAMAGING WINDS FOR ANOTHER FEW HOURS AS ACTIVITY

MOVES THROUGH MOIST AND MODERATELY UNSTABLE AIRMASS.



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 500. MEAN STORM

MOTION VECTOR 28035.





...HART

