Compact News: NOAA's National Weather Service SPC Tornado/Severe Thunderstorm Watches Update

Monday, November 1, 2010

NOAA's National Weather Service SPC Tornado/Severe Thunderstorm Watches Update

SPC Severe Thunderstorm Watch 739
Mon, 01 Nov 2010 22:10:03 -0500

URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 739 NWS STORM PREDICTION CENTER NORMAN OK 1005 PM CDT MON NOV 1 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN TEXAS COASTAL WATERS EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1005 PM UNTIL 500 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE MILES EITHER SIDE OF A LINE FROM 45 MILES SOUTHWEST OF COTULLA TEXAS TO 60 MILES EAST OF AUSTIN TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 738... DISCUSSION...TSTMS NOW FORMING ALONG WRN EXTENSION OF LOW LVL CONFLUENCE ZONE ASSOCIATED WITH ERN AND SE TX STORMS...AND ELEVATED STORMS FORMING ATOP SHALLOW FRONTAL IN THE TX HILL COUNTRY...EXPECTED TO INCREASE IN COVERAGE AND STRENGTH THROUGH EARLY TUE AS LARGE SCALE ASCENT/MID LVL COOLING SPREAD SEWD IN ASSOCIATION WITH AMPLIFYING W TX UPR VORT. QUALITY OF LOW LVL MOISTURE...STEEPENING MID LVL LAPSE RATES...AND STRENGTHENING OF MID/UPR LVL WIND FIELD TOGETHER SUGGEST SOME LIKELIHOOD FOR ROTATING STORMS AND BOWING SEGMENTS WITH SVR HAIL/WIND...DESPITE POTENTIAL FOR DESTRUCTIVE INTERFERENCE OF STORMS. ACTIVITY SHOULD MERGE INTO ONE OR TWO COMPLEX MCSS THAT MOVE MAINLY SE TO THE CNTRL/LWR TX GULF CST LATER IN THE WATCH PERIOD. AVIATION...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. ...CORFIDI

SPC Severe Thunderstorm Watch 739 Status Reports
Mon, 01 Nov 2010 22:10:12 -0500

  STATUS FOR WATCH 0739 HAS NOT BEEN ISSUED YET

SPC Severe Thunderstorm Watch 738 Status Reports
Mon, 01 Nov 2010 21:26:05 -0500

  STATUS REPORT ON WW 738  THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.  ..KERR..11/02/10  ATTN...WFO...SHV...HGX...LCH...   STATUS REPORT FOR WS 738   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ARC027-057-073-081-091-099-020340-  AR  .    ARKANSAS COUNTIES INCLUDED ARE  COLUMBIA             HEMPSTEAD           LAFAYETTE            LITTLE RIVER         MILLER              NEVADA                 LAC013-015-017-027-031-069-081-085-119-020340-  LA  .    LOUISIANA PARISHES INCLUDED ARE  BIENVILLE            BOSSIER             CADDO                CLAIBORNE            DE SOTO             NATCHITOCHES         RED RIVER            SABINE              WEBSTER                TXC005-015-037-039-041-051-067-071-073-089-157-167-183-185-199- 201-203-225-239-241-245-291-313-315-321-339-347-351-361-365-373- 401-403-405-407-419-423-455-457-459-471-473-477-481-020340-  TX  .    TEXAS COUNTIES INCLUDED ARE

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