SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 856
NWS STORM PREDICTION CENTER NORMAN OK
435 PM EST WED NOV 9 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EAST CENTRAL OHIO
WESTERN PENNSYLVANIA
EXTREME NORTHERN WEST VIRGINIA
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 435 PM UNTIL
1000 PM EST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 15 MILES EAST NORTHEAST OF FRANKLIN
PENNSYLVANIA TO 45 MILES SOUTH SOUTHWEST OF WHEELING WEST
VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 855...
DISCUSSION...STRONG UPPER TROUGH AND ASSOCIATED 90+ KT WLY MID LEVEL
JET WILL OVERSPREAD OH/WRN PA THIS EVENING. SURFACE COLD FRONT
ACCOMPANYING THIS SYSTEM WILL LIKEWISE CONTINUE ESEWD INTO THIS
REGION...AND AID IN DEVELOPING A BROKEN LINE OF THUNDERSTORMS DURING
THE NEXT FEW HOURS. DAMAGING WINDS ARE EXPECTED TO BE PRIMARY
SEVERE THREAT AS SUPERCELLS/SMALL BOW ECHOES EVOLVE ALONG AND AHEAD
OF THE FRONT. SIGNIFICANT LOW LEVEL SHEAR AND MAINTENANCE OF LOWER
60F SURFACE DEW POINTS INTO ERN OH/WRN PA SUPPORT ADDITIONAL THREAT
OF ISOLATED TORNADOES THROUGH THE EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 28040.
...EVANS
