

886 

WWUS20 KWNS 200601

SEL3

SPC WW 200601

KYZ000-OHZ000-VAZ000-WVZ000-201300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 163

NWS STORM PREDICTION CENTER NORMAN OK

200 AM EDT WED APR 20 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN KENTUCKY

       SOUTHEAST OHIO

       SOUTHWEST VIRGINIA

       WEST VIRGINIA



EFFECTIVE THIS WEDNESDAY MORNING FROM 200 AM UNTIL 900 AM EDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST OF

PARKERSBURG WEST VIRGINIA TO 30 MILES SOUTH OF LONDON KENTUCKY.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 157...WW 159...WW

160...WW 161...WW 162...



DISCUSSION...QLCS WITH EMBEDDED LARGE SCALE LEWP/BOWING STRUCTURE

EXPECTED TO CONTINUE ENE...WITH A CONTINUED THREAT FOR DMGG WIND AND

ISOLD MESOVORTICES/TORNADOES.  RAPID NNEWD SPREAD OF MOISTURE ALONG

70 KT LLJ INTO THE HIGHER TERRAIN OF WV AND ERN KY WILL FURTHER

DESTABILIZE REGION PRIOR TO ARRIVAL OF SQLN.



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

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.

MEAN STORM MOTION VECTOR 26045.





...CORFIDI

