

000 

WWUS20 KWNS 041316

SEL6

SPC WW 041316

INZ000-KYZ000-MDZ000-OHZ000-WVZ000-042000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 446

NWS STORM PREDICTION CENTER NORMAN OK

915 AM EDT WED JUN 4 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME SOUTHEASTERN INDIANA

       NORTHEASTERN KENTUCKY

       EXTREME WRN PANHANDLE OF MARYLAND

       SOUTHERN OHIO

       WEST VIRGINIA



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 915 AM UNTIL

400 PM EDT.



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

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EITHER SIDE OF A LINE FROM 30 MILES NORTHWEST OF CINCINNATI

OHIO TO 25 MILES SOUTHEAST OF ELKINS 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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 444. WATCH NUMBER 444 WILL NOT BE IN EFFECT AFTER

915 AM EDT.



DISCUSSION...SVR POTENTIAL FCST TO INCREASE ACROSS WW AREA THROUGH

MID-DAY AS PROSPECTIVE INFLOW-LAYER AIR MASS DESTABILIZES...AMIDST

FAVORABLE ORIENTED LOW-LEVEL AND DEEP-LAYER SHEAR PROFILES.  MAIN

CONCERN IS DAMAGING WIND...HOWEVER A FEW TORNADOES ARE POSSIBLE

ALONG BOUNDARY INTERSECTIONS AND ASSOCIATED WITH BOW ECHOES AND QLCS

MESOVORTICES.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 28035.





...EDWARDS/CORFIDI

