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

Saturday, January 1, 2011

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

SPC Tornado Watch 2
Sat, 01 Jan 2011 03:17:02 -0600

URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 2 NWS STORM PREDICTION CENTER NORMAN OK 310 AM CST SAT JAN 1 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF WESTERN AND NORTHERN ALABAMA SOUTHEASTERN LOUISIANA SOUTHERN AND EASTERN MISSISSIPPI COASTAL WATERS EFFECTIVE THIS SATURDAY MORNING FROM 310 AM UNTIL 1000 AM CST. 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 70 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF GADSDEN ALABAMA TO 5 MILES WEST SOUTHWEST OF NEW ORLEANS LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). 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 1... DISCUSSION...BROKEN BAND OF TSTMS EXPECTED TO PERSIST ALONG SLOWLY-MOVING COLD FRONT OVER THE LWR MS VLY. ADDITIONAL STORMS MAY FORM LATER THIS MORNING ALONG PRE-FRONTAL CONFLUENCE AXIS IN SE LA/SRN MS/WRN AL. WHILE HEIGHT FALLS OVER WW WILL BE MINIMAL...UPR DIVERGENCE WILL EXIST IN RIGHT ENTRANCE REGION OF STRONG UPR JET. COUPLED WITH VERY MOIST ENVIRONMENT AND PRESENCE OF AMPLE LOW LVL SHEAR/LOW LVL CONFLUENCE...SETUP MAY CONTINUE TO POSE A RISK FOR ISOLD TORNADOES IN SRN TWO THIRDS OF WATCH. FARTHER N...STRONGER DEEP SHEAR AND THE NEWD MOVEMENT OF EXISTING ROTATING STORMS MAY POSE A THREAT FOR ISOLD TORNADOES AS FAR NE AS NE AL...DESPITE MORE LIMITED SFC-BASED INSTABILITY. 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 22040. ...CORFIDI

SPC Tornado Watch 2 Status Reports
Sat, 01 Jan 2011 03:17:11 -0600

  STATUS REPORT ON WW 772  THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.  FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0005  ..JEWELL..01/01/11  ATTN...WFO...LCH...SHV...JAN...   STATUS REPORT FOR WT 772   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   LAC003-009-011-021-039-043-049-059-069-073-079-097-115-127- 010240-  LA  .    LOUISIANA PARISHES INCLUDED ARE  ALLEN                AVOYELLES           BEAUREGARD           CALDWELL             EVANGELINE          GRANT                JACKSON              LA SALLE            NATCHITOCHES         OUACHITA             RAPIDES             ST. LANDRY           VERNON               WINN                   THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.

SPC Tornado Watch 1 Status Reports
Fri, 31 Dec 2010 22:49:11 -0600

  STATUS REPORT ON WW 773  THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.  ..JEWELL..01/01/11  ATTN...WFO...JAN...MEG...   STATUS REPORT FOR WT 773   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ARC003-017-077-107-010540-  AR  .    ARKANSAS COUNTIES INCLUDED ARE  ASHLEY               CHICOT              LEE                  PHILLIPS                LAC025-029-035-041-065-067-083-107-123-010540-  LA  .    LOUISIANA PARISHES INCLUDED ARE  CATAHOULA            CONCORDIA           EAST CARROLL         FRANKLIN             MADISON             MOREHOUSE            RICHLAND             TENSAS              WEST CARROLL           MSC001-003-007-009-011-013-015-017-019-021-023-025-027-029-031- 033-035-037-043-049-051-053-055-057-061-063-065-067-069-071-073- 075-077-079-081-083-085-087-089-091-093-095-097-099-101-103-105- 107-115-117-119-121-123-125-127-129-133-135-137-139-141-143-145- 149-151-155-159-161-163-010540-  MS

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