WATCHES: Tornado Watch Number 824

WWUS20 KWNS 130808
SEL4
SPC WW 130808
ALZ000-FLZ000-GAZ000-CWZ000-131600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 824
NWS STORM PREDICTION CENTER NORMAN OK
405 AM EDT WED AUG 13 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

EASTERN ALABAMA
THE FLORIDA PANHANDLE AND NORTHERN FLORIDA
SOUTHERN AND CENTRAL GEORGIA
COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING FROM 405 AM UNTIL NOON EDT.

TORNADOES...HAIL TO 0.5 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 110 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHEAST OF
APALACHICOLA FLORIDA TO 30 MILES WEST NORTHWEST OF MACON GEORGIA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

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.

DISCUSSION...WV AND VWP DATA SHOW ANOMALOUS SRN STREAM SHORTWAVE
TROUGH AMPLIFYING OVER WRN AL ATTM. TROUGH SHOULD CONTINUE E TO THE
SAVANNAH RVR VLY BY MIDDAY AS ASSOCIATED 850 MB LOW REACHES AGS.
COMBINATION OF STRENGTHENING WIND FIELD WITH RICH MOISTURE INFLOW
SUGGESTS POTENTIAL FOR LOW LVL STORM ROTATION/ISOLD TORNADOES. THIS
THREAT MAY BE GREATEST ALONG TWO CORRIDORS: /1/ OVER THE FL
PANHANDLE...AS EXISTING SQLN ENCOUNTERS UNDISTURBED WSWLY LOW LVL
FLOW...AND /2/ FROM NEAR MGM THROUGH CSG TO MCN...WHERE LOW LVL
SHEAR/ASCENT MAY MAXIMIZE ALONG TRACK OF SFC AND 850 MB LOWS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 27035.

...CORFIDI

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.