SEL7
SPC WW 112316
KYZ000-OHZ000-WVZ000-120500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 127
NWS STORM PREDICTION CENTER NORMAN OK
715 PM EDT WED APR 11 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PART OF NORTHEAST KENTUCKY
LARGE PART OF SOUTHERN AND CENTRAL OHIO
PARTS OF WESTERN WEST VIRGINIA
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 715 PM
UNTIL 100 AM EDT.
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 70
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHWEST OF
COLUMBUS OHIO TO 45 MILES SOUTH SOUTHWEST OF HUNTINGTON WEST
VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
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 124...WW 125...WW 126...
DISCUSSION...SQUALL LINE WITH BOWS HAS DEVELOPED ACROSS IND INTO NRN
KY AHEAD OF VIGOROUS UPPER TROUGH. SUFFICIENT INSTABILITY TO
SUPPORT AT LEAST A DAMAGING WIND THREAT AFTER DARK EVEN WITH
MARGINAL LOW LEVEL MOISTURE WITH THE STRONG MID LEVEL COLD ADVECTION
WITH TROUGH.
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 350. MEAN STORM
MOTION VECTOR 24040.
..HALES
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