Friday, December 31, 2010

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

SPC Tornado Watch 768
Fri, 31 Dec 2010 10:35:02 -0600


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  URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 768 NWS STORM PREDICTION CENTER NORMAN OK 1035 AM CST FRI DEC 31 2010  THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF          CENTRAL ILLINOIS  EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 1035 AM UNTIL 300 PM CST.  TORNADOES...HAIL TO 1 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 60 STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTHWEST OF SPRINGFIELD ILLINOIS TO 15 MILES NORTHWEST OF BLOOMINGTON ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).  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 767...  DISCUSSION...SEVERE TSTMS INCLUDING SUPERCELLS ONGOING OVER NERN MO ARE EXPECTED TO MOVE/DEVELOP NEWD TODAY INTO AREA ALONG AND S OF WARM FRONT/RESIDUAL OUTFLOW BOUNDARY.  WHILE WIDESPREAD CLOUDS WILL LIMIT DESTABILIZATION...A RELATIVELY MOIST BOUNDARY LAYER AND STRONG DYNAMIC FORCING FOR ASCENT WILL BE SUFFICIENT TO SUSTAIN LOW-TOPPED TSTM ACTIVITY.  GIVEN THE STRONG SHEAR ALREADY IN PLACE /REF. CURRENT ILX VWP/...SETUP WILL FAVOR SUPERCELLS CAPABLE OF DAMAGING WINDS...HAIL AND A FEW TORNADOES.  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 23035.   ...MEAD  
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SPC Tornado Watch 768 Status Reports
Fri, 31 Dec 2010 10:35:11 -0600


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  STATUS FOR WATCH 0768 HAS NOT BEEN ISSUED YET 
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SPC Tornado Watch 767 Status Reports
Fri, 31 Dec 2010 09:45:05 -0600


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  STATUS REPORT ON WW 767  SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE FSM TO 15 NNW HRO TO 20 ESE SGF TO 50 WNW TBN TO 35 ESE SZL.  ..DIAL..12/31/10  ATTN...WFO...LZK...TSA...LSX...SGF...   STATUS REPORT FOR WT 767   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ARC005-009-019-023-029-045-049-051-059-063-065-071-083-089-097- 101-105-109-113-115-119-125-127-129-135-137-141-145-149- 311640-  AR  .    ARKANSAS COUNTIES INCLUDED ARE  BAXTER               BOONE               CLARK                CLEBURNE             CONWAY              FAULKNER             FULTON               GARLAND             HOT SPRING           INDEPENDENCE         IZARD               JOHNSON              LOGAN                MARION              MONTGOMERY           NEWTON               PERRY               PIKE                 POLK                 POPE                PULASKI              SALINE               SCOTT               SEARCY               SHARP                STONE               VAN BUREN            WHITE                YELL                   ILC013-061-083-117-119-133-157-163-311640-  IL  .    ILLINOIS COUNTIES INCLUDED ARE  CALHOUN              GREENE              JERSEY               
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SPC Tornado Watch 765 Status Reports
Fri, 31 Dec 2010 06:35:04 -0600


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  STATUS REPORT ON WW 765  SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE MKO TO 20 NNW JLN.  ..GOSS..12/31/10  ATTN...WFO...TSA...SGF...ICT...   STATUS REPORT FOR WT 765   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ARC007-015-033-087-143-311340-  AR  .    ARKANSAS COUNTIES INCLUDED ARE  BENTON               CARROLL             CRAWFORD             MADISON              WASHINGTON             MOC009-011-015-029-039-043-057-059-065-067-077-085-097-105-109- 119-125-131-141-145-153-161-167-169-185-209-213-215-225-229- 311340-  MO  .    MISSOURI COUNTIES INCLUDED ARE  BARRY                BARTON              BENTON               CAMDEN               CEDAR               CHRISTIAN            DADE                 DALLAS              DENT                 DOUGLAS              GREENE              HICKORY              JASPER               LACLEDE             LAWRENCE             MCDONALD             MARIES              MILLER               MORGAN               NEWTON              OZARK                PHELPS               POLK                PULASKI              ST. CLAIR            STONE               TANEY                
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