SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 467
NWS STORM PREDICTION CENTER NORMAN OK
1040 AM EDT MON JUN 14 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN INDIANA
SOUTHERN LOWER MICHIGAN
NORTHERN OHIO
LAKE MICHIGAN
LAKE ERIE
EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1040 AM UNTIL 600
PM EDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 85 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 45 MILES NORTH NORTHWEST OF
LAFAYETTE INDIANA TO 30 MILES NORTH OF YOUNGSTOWN OHIO.
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 466...
DISCUSSION...MARGINALLY SEVERE BOW ECHO MOVING RAPIDLY EWD ACROSS
NRN IL EXPECTED TO INTENSIFY AS AIR MASS BECOMES INCREASINGLY
UNSTABLE ACROSS NRN OH VALLEY WITH STRONG SURFACE HEATING. AS FAST
MOVING S/WV TROUGH/WIND MAX MOVES ACROSS GREAT LAKES... BOW ECHO
LIKELY TO PICK UP SPEED AS IT INTENSIFIES BY EARLY THIS AFTERNOON
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27040.
...HALES
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