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968 

WWUS20 KWNS 232315

SEL9

SPC WW 232315

INZ000-MIZ000-OHZ000-LMZ000-240500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 399

NWS STORM PREDICTION CENTER NORMAN OK

715 PM EDT WED JUN 23 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN INDIANA

       SOUTHWEST LOWER MICHIGAN

       NORTHWEST OHIO

       LAKE MICHIGAN



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 715 PM

UNTIL 100 AM EDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 85 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 10 MILES NORTH NORTHWEST OF

VALPARAISO INDIANA TO 55 MILES SOUTHEAST OF JACKSON MICHIGAN.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 395...WW 396...WW

397...WW 398...



DISCUSSION...A LINE OF INTENSE THUNDERSTORMS OVER NORTHERN/CENTRAL

IL WILL LIKELY ORGANIZE INTO A FAST-MOVING BOW ECHO THIS EVENING

WITH THE RISK OF WIDESPREAD DAMAGING WINDS OVER PARTS OF NORTHERN

IND AND SOUTHERN LOWER MI.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 75 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 28045.





...HART

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