

841 

WWUS20 KWNS 272149

SEL1

SPC WW 272149

LAZ000-TXZ000-CWZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 81

NWS STORM PREDICTION CENTER NORMAN OK

450 PM CDT FRI MAR 27 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST LOUISIANA

       NORTHEAST TEXAS

       COASTAL WATERS



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 450 PM UNTIL 800

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 40 STATUTE

MILES EAST AND WEST OF A LINE FROM 85 MILES NORTH OF PORT ARTHUR

TEXAS TO 30 MILES EAST SOUTHEAST OF ANGLETON TEXAS.  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 77...WW 78...WW 79...WW

80...



DISCUSSION...RAPID INTENSIFICATION OF STORMS AHEAD OF THE SURGING

COLD FRONT AND ALONG RETURNING WARM FRONT ACROSS THE UPPER TX COAST

THIS EVENING. LOW LEVEL SHEAR ALONG THE WARM FRONT WILL REMAIN

SUPPORTIVE OF PERSISTENT MESOCYCLONE AND TORNADO POTENTIAL ACROSS

THE LOWER SABINE RIVER NEXT COUPLE OF HOURS. ADDITIONAL ACTIVITY

INCREASING ACROSS HARRIS COUNTY WILL ALSO POSE SEVERE

HAIL/WIND...AND SOME TORNADO POTENTIAL AS IT SPREADS EAST TO CAMERON

PARISH LA AND ACROSS NEAR SHORE WATERS THROUGH 28/00Z.



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

550. MEAN STORM MOTION VECTOR 26035.





...CARBIN

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