Tornado Watch - SE and Central TX, Coastal Waters -> 7PM
Posted: Wed Nov 26, 2003 2:58 pm
WWUS20 KWNS 261954
SEL3
SPC WW 261945
TXZ000-CWZ000-270100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 973
NWS STORM PREDICTION CENTER NORMAN OK
145 PM CST WED NOV 26 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST AND EAST CENTRAL TEXAS
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL
700 PM CST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 65 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 50 MILES SOUTH OF COLLEGE STATION TEXAS TO 55
MILES EAST OF LUFKIN TEXAS.
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...ISOLATED CONVECTIVE ELEMENTS WERE INCREASING
ALONG/AHEAD OF LOW LEVEL CONFLUENCE AXIS WSW OF HOU. STRONG LOW
LEVEL MOISTURE INFLOW AND A FEW MORE HOURS OF SURFACE HEATING SHOULD
ALLOW CAPPING INVERSION TO ERODE SUFFICIENTLY FOR DEEP SURFACE-BASED
CONVECTION TO INCREASE. IN ADDITION...APPROACH OF UPSTREAM SHORT
WAVE TROUGH WILL FURTHER AID ASCENT AND DESTABILIZATION ACROSS THE
REGION. SSELY LOW LEVEL FLOW TOPPED BY STRENGTHENING SWLY MID LEVEL
WINDS WILL RESULT IN FAVORABLE DEEP LAYER SHEAR FOR SUPERCELLS.
ABUNDANT BOUNDARY LAYER MOISTURE AND LOW LCL/LFC WILL LEAD TO
ENHANCED POTENTIAL FOR LOW LEVEL STORM ROTATION AND TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 55 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 24025.
...CORFIDI/CARBIN
;312,0962 324,0934 294,0934 282,0962;
WWWW
WWUS50 KWNS 261940
SEV3
. TORNADO WATCH #973 HAS BEEN ISSUED BY THE NWS STORM PREDICTION CENTER
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING UNTIL 700 PM CST.
$$
SEL3
SPC WW 261945
TXZ000-CWZ000-270100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 973
NWS STORM PREDICTION CENTER NORMAN OK
145 PM CST WED NOV 26 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST AND EAST CENTRAL TEXAS
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL
700 PM CST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 65 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 50 MILES SOUTH OF COLLEGE STATION TEXAS TO 55
MILES EAST OF LUFKIN TEXAS.
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...ISOLATED CONVECTIVE ELEMENTS WERE INCREASING
ALONG/AHEAD OF LOW LEVEL CONFLUENCE AXIS WSW OF HOU. STRONG LOW
LEVEL MOISTURE INFLOW AND A FEW MORE HOURS OF SURFACE HEATING SHOULD
ALLOW CAPPING INVERSION TO ERODE SUFFICIENTLY FOR DEEP SURFACE-BASED
CONVECTION TO INCREASE. IN ADDITION...APPROACH OF UPSTREAM SHORT
WAVE TROUGH WILL FURTHER AID ASCENT AND DESTABILIZATION ACROSS THE
REGION. SSELY LOW LEVEL FLOW TOPPED BY STRENGTHENING SWLY MID LEVEL
WINDS WILL RESULT IN FAVORABLE DEEP LAYER SHEAR FOR SUPERCELLS.
ABUNDANT BOUNDARY LAYER MOISTURE AND LOW LCL/LFC WILL LEAD TO
ENHANCED POTENTIAL FOR LOW LEVEL STORM ROTATION AND TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 55 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 24025.
...CORFIDI/CARBIN
;312,0962 324,0934 294,0934 282,0962;
WWWW
WWUS50 KWNS 261940
SEV3
. TORNADO WATCH #973 HAS BEEN ISSUED BY THE NWS STORM PREDICTION CENTER
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING UNTIL 700 PM CST.
$$