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

Sunday, October 24, 2010

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

SPC Severe Thunderstorm Watch 708
Sun, 24 Oct 2010 16:00:03 -0500

URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 708 NWS STORM PREDICTION CENTER NORMAN OK 400 PM CDT SUN OCT 24 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EAST-CENTRAL ARKANSAS FAR NORTHEAST LOUISIANA NORTHERN AND WESTERN MISSISSIPPI EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 1000 PM CDT. HAIL TO 1.5 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 60 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH SOUTHWEST OF GREENVILLE MISSISSIPPI TO 30 MILES EAST OF OXFORD MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8). 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 707... DISCUSSION...SEVERE TSTMS IN PROGRESS OVER SERN AR/NERN LA ARE EXPECTED TO MOVE/DEVELOP EWD INTO WW AREA LATE THIS AFTERNOON INTO EVENING. SURFACE OBSERVATIONS INDICATE THAT CONSIDERABLE BOUNDARY LAYER MIXING HAS LED TO 20-25 F T/TD SPREADS WITH MLCAPE OF AROUND 1000 J/KG. GIVEN THE PRESENCE OF 35-45 KT OF DEEP WLY SHEAR...SETUP WILL FAVOR LARGELY OUTFLOW-DOMINANT CONVECTIVE MODES WITH A RISK FOR DAMAGING WINDS AND HAIL INTO EARLY EVENING. AVIATION...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 24030. ...MEAD

SPC Severe Thunderstorm Watch 708 Status Reports
Sun, 24 Oct 2010 16:00:11 -0500

  STATUS FOR WATCH 0708 HAS NOT BEEN ISSUED YET

SPC Tornado Watch 707 Status Reports
Sun, 24 Oct 2010 15:39:03 -0500

  STATUS REPORT ON WW 707  THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.  ..KERR..10/24/10  ATTN...WFO...LZK...JAN...SHV...FWD...   STATUS REPORT FOR WT 707   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ARC001-003-011-013-017-019-025-027-039-041-043-051-053-057-059- 061-069-073-079-081-085-091-095-097-099-103-109-113-117-119-125- 133-139-242140-  AR  .    ARKANSAS COUNTIES INCLUDED ARE  ARKANSAS             ASHLEY              BRADLEY              CALHOUN              CHICOT              CLARK                CLEVELAND            COLUMBIA            DALLAS               DESHA                DREW                GARLAND              GRANT                HEMPSTEAD           HOT SPRING           HOWARD               JEFFERSON           LAFAYETTE            LINCOLN              LITTLE RIVER        LONOKE               MILLER               MONROE              MONTGOMERY           NEVADA               OUACHITA            PIKE                 POLK                 PRAIRIE             PULASKI              SALINE               SEVIER              UNION                  LAC013-015-017-021-027-031-041-043-049-059-061-067-069-073-081- 083-085-111-119-123-127-242140-  LA  .    LOUISIANA PARISHES INCLUDED ARE

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