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

Friday, December 31, 2010

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

SPC Tornado Watch 771
Fri, 31 Dec 2010 13:17:03 -0600

URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 771 NWS STORM PREDICTION CENTER NORMAN OK 115 PM CST FRI DEC 31 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN ILLINOIS FAR NORTHWEST INDIANA EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 115 PM UNTIL 700 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 50 STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF DANVILLE ILLINOIS TO 5 MILES EAST SOUTHEAST OF SALEM ILLINOIS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). 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...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 768. WATCH NUMBER 768 WILL NOT BE IN EFFECT AFTER 115 PM CST. CONTINUE...WW 767...WW 769...WW 770... DISCUSSION...LOW-TOPPED TSTMS /SUPERCELLS/ ONGOING OVER CNTRL IL ARE EXPECTED TO CONTINUE NEWD THIS AFTERNOON ALONG AND S OF WARM FRONT RETREATING NWD THROUGH AREA. THOUGH AMBIENT AIR MASS IS ONLY MARGINALLY UNSTABLE...STRONG VERTICAL SHEAR AND FORCING FOR ASCENT SHOULD SUSTAIN ONGOING STORMS WITH A RISK FOR DAMAGING WINDS AND A COUPLE 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 350. MEAN STORM MOTION VECTOR 22040. ...MEAD

SPC Tornado Watch 771 Status Reports
Fri, 31 Dec 2010 13:17:11 -0600

  STATUS FOR WATCH 0771 HAS NOT BEEN ISSUED YET

SPC Tornado Watch 770 Status Reports
Fri, 31 Dec 2010 11:47:11 -0600

  STATUS FOR WATCH 0770 HAS NOT BEEN ISSUED YET

SPC Tornado Watch 769 Status Reports
Fri, 31 Dec 2010 11:41:11 -0600

  STATUS FOR WATCH 0769 HAS NOT BEEN ISSUED YET

SPC Tornado Watch 768 Status Reports
Fri, 31 Dec 2010 12:37:04 -0600

  STATUS REPORT ON WW 768  SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NW ALN TO PIA.  ..STOPPKOTTE..12/31/10  ATTN...WFO...ILX...   STATUS REPORT FOR WT 768   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ILC017-021-039-107-113-115-125-129-137-139-143-147-167-171-173- 179-203-311940-  IL  .    ILLINOIS COUNTIES INCLUDED ARE  CASS                 CHRISTIAN           DE WITT              LOGAN                MCLEAN              MACON                MASON                MENARD              MORGAN               MOULTRIE             PEORIA              PIATT                SANGAMON             SCOTT               SHELBY               TAZEWELL             WOODFORD               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 767 Status Reports
Fri, 31 Dec 2010 12:36:06 -0600

  STATUS REPORT ON WW 767  SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NNW LIT TO 10 S STL TO 45 NNW STL.  ..STOPPKOTTE..12/31/10  ATTN...WFO...LZK...TSA...LSX...SGF...   STATUS REPORT FOR WT 767   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   ARC019-023-045-059-063-067-119-125-135-145-311940-  AR  .    ARKANSAS COUNTIES INCLUDED ARE  CLARK                CLEBURNE            FAULKNER             HOT SPRING           INDEPENDENCE        JACKSON              PULASKI              SALINE              SHARP                WHITE                   ILC005-009-027-051-061-083-117-119-121-133-135-149-157-163-189- 311940-  IL  .    ILLINOIS COUNTIES INCLUDED ARE  BOND                 BROWN               CLINTON              FAYETTE              GREENE              JERSEY               MACOUPIN             MADISON             MARION               MONROE               MONTGOMERY          PIKE                 RANDOLPH             ST. CLAIR           WASHINGTON             MOC093-099-123-149-179-186-187-311940-

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