

886 

WWUS20 KWNS 271525

SEL1

SPC WW 271525

NCZ000-TNZ000-272100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 231

NWS STORM PREDICTION CENTER NORMAN OK

1025 AM CDT WED APR 27 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME WESTERN NORTH CAROLINA

       SOUTHERN TENNESSEE



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 1025 AM UNTIL

400 PM CDT.



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

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 35 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST OF MUSCLE

SHOALS ALABAMA TO 30 MILES SOUTHEAST OF KNOXVILLE TENNESSEE.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 229...WW 230...



DISCUSSION...LINE OF INTENSE STORMS ALONG THE MS/AL BORDER WILL

LIKELY TRACK EASTWARD AND BUILD NORTHWARD THROUGH THE MID AFTERNOON

OVER THE WATCH AREA.  RAPIDLY MOISTENING AIR MASS WILL HELP TO

SUPPORT A RISK OF LOCALLY DAMAGING WINDS AND HAIL IN STRONGER CELLS.

 STRONG LOW LEVEL SHEAR PROFILES ALSO INDICATE A RISK OF TORNADOES

IN THIS AREA.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 25035.





...HART

