WATCHES: Severe Thunderstorm Watch Number 495

WWUS20 KWNS 191936
SEL5
SPC WW 191936
ILZ000-INZ000-KYZ000-200200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 495
NWS STORM PREDICTION CENTER NORMAN OK
340 PM EDT MON JUL 19 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

SOUTHEAST ILLINOIS
CENTRAL AND SOUTHERN INDIANA
NORTH CENTRAL KENTUCKY

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
1000 PM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES SOUTH
SOUTHWEST OF MATTOON ILLINOIS TO 75 MILES NORTHEAST OF LOUISVILLE
KENTUCKY. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 494...

DISCUSSION...BOWING MCS OVER IL IS RACING EASTWARD AT 35-40 KNOTS
AND WILL TRACK ACROSS THE WATCH AREA DURING THROUGH THE AFTERNOON.
DAMAGING WINDS ARE THE MOST LIKELY THREAT...ALTHOUGH STRONGER CORES
COULD ALSO PRODUCE SOME HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28035.

...HART

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