SPC Tornado Watch 753
Mon, 29 Nov 2010 13:35:03 -0600
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 753 NWS STORM PREDICTION CENTER NORMAN OK 130 PM CST MON NOV 29 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHERN ARKANSAS WESTERN AND CENTRAL LOUISIANA WESTERN MISSISSIPPI EASTERN TEXAS COASTAL WATERS EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 130 PM UNTIL 900 PM CST. TORNADOES...HAIL TO 1.5 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 75 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST OF PORT ARTHUR TEXAS TO 10 MILES NORTH OF GREENVILLE MISSISSIPPI. 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. DISCUSSION...TSTMS WILL CONTINUE TO INCREASE IN COVERAGE AND INTENSITY THIS AFTERNOON INTO EVENING ALONG PACIFIC FRONT AND SW-NE ORIENTED CONFLUENCE BAND WHICH ARE SLOWLY PROGRESSING EWD THROUGH ERN TX. 18Z SUPPLEMENTAL SOUNDINGS INDICATE THAT MOISTENING AND WARMING OF THE BOUNDARY LAYER HAVE GREATLY REDUCED THE PRONOUNCED CAP OBSERVED AT 12Z. GIVEN THE RELATIVELY STRONG LOW AND DEEP-LAYER SHEAR IN PLACE...ENVIRONMENT WILL BE SUPPORTIVE OF SUPERCELLS CAPABLE OF TORNADOES...DAMAGING WINDS AND SOME HAIL. THIS THREAT SHOULD DEVELOP NEWD THROUGH THE REMAINDER OF THE AFTERNOON INTO TONIGHT ALONG RETREATING WARM FRONT AND SECONDARY SURFACE LOW DEVELOPING THROUGH ERN AR/WRN MS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23035. ...MEADRead more
SPC Tornado Watch 753 Status Reports
Mon, 29 Nov 2010 13:35:12 -0600
STATUS FOR WATCH 0753 HAS NOT BEEN ISSUED YETRead more
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