

104 

WWUS20 KWNS 072255

SEL4

SPC WW 072255

ILZ000-INZ000-KYZ000-MOZ000-OHZ000-080600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 144

NWS STORM PREDICTION CENTER NORMAN OK

555 PM CDT FRI MAY 7 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF SOUTHERN ILLINOIS

       PARTS OF SOUTHERN INDIANA

       MUCH OF WESTERN AND NORTHERN KENTUCKY

       SMALL PART OF SOUTHEAST MISSOURI

       PARTS OF SOUTHWEST OHIO



EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 555 PM

UNTIL 100 AM CDT.



HAIL TO 2 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 55

STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES WEST OF PADUCAH

KENTUCKY TO 40 MILES EAST SOUTHEAST OF CINCINNATI OHIO.  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 143...



DISCUSSION...THUNDERSTORMS INCREASING IN NUMBER AND INTENSITY ALONG

THE COLD FRONT FROM CENTRAL IND SWWD TO SERN MO.  AS DEEPENING

TROUGH AND ASSOCIATED STRONG WIND FIELDS APPROACH FROM THE

WEST...SEVERE THUNDERSTORMS ARE EXPECTED TO BECOME MORE COMMON

ALONG/AHEAD OF EWD MOVING COLD FRONT.  PRIMARY THREAT WILL BE LARGE

HAIL AND AS STORMS DEVELOP INTO LINE SEGMENTS/BOWS WIND DAMAGE WILL

BECOME MORE LIKELY DURING THE EVENING.



AVIATION...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.





...HALES

