

568 

WWUS20 KWNS 140542

SEL1

SPC WW 140542

INZ000-KYZ000-MIZ000-OHZ000-LEZ000-LHZ000-141100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 301

NWS STORM PREDICTION CENTER NORMAN OK

1245 AM CDT THU MAY 14 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND NORTHEAST INDIANA

       EXTREME NORTH CENTRAL KENTUCKY

       EASTERN LOWER MICHIGAN

       WESTERN OHIO

       LAKE ERIE

       LAKE HURON



EFFECTIVE THIS THURSDAY MORNING FROM 1245 AM UNTIL 600 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 90

STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES EAST

NORTHEAST OF BAD AXE MICHIGAN TO 50 MILES SOUTHWEST OF

BLOOMINGTON INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 298...WW 299...WW 300...



DISCUSSION...BROKEN LINE OF INTENSE THUNDERSTORMS CONTINUES TO TRACK

EASTWARD ACROSS IND AND LOWER MI TONIGHT...AND INTO WESTERN OH

BEFORE DAYBREAK.  INSTABILITY WILL CONTINUE TO DIMINISH WITH TIME

AND EASTWARD EXTENT.  HOWEVER...VERY STRONG WIND FIELDS WILL

MAINTAIN A RISK OF LOCALLY DAMAGING WINDS AND HAIL THROUGH THE

NIGHT.



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 24045.





...HART

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