SPC Severe Thunderstorm Watch 766
Fri, 31 Dec 2010 02:26:04 -0600
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 766 NWS STORM PREDICTION CENTER NORMAN OK 220 AM CST FRI DEC 31 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF A SMALL PART OF WEST CENTRAL ILLINOIS EAST CENTRAL MISSOURI EFFECTIVE THIS FRIDAY MORNING FROM 220 AM UNTIL 800 AM CST. HAIL TO 1 INCH 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 55 STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES WEST NORTHWEST OF ALTON ILLINOIS TO 25 MILES SOUTH SOUTHWEST OF VICHY MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). 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 765... DISCUSSION...PAIR OF LONG-LIVED STORMS/SUPERCELLS IN CNTRL MO...WITH A HISTORY OF WIND DMG...MAY REMAIN STRONG ENOUGH TO POSE A CONTINUED THREAT FOR DAMAGING WIND AND POSSIBLY A BRIEF TORNADO AS THEY CONTINUE NE TOWARD THE ST LOUIS METRO. ACTIVITY APPEARS TO BE TIED TO LEAD UPR IMPULSE ACCELERATING NE AHEAD OF MAIN UPR TROUGH NOW OVER CNTRL OK....AND SHOULD DIMINISH AS THE IMPULSE FURTHER OUTRUNS LOW LVL MOISTURE AXIS. AVIATION...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 24040. ...CORFIDIRead more
SPC Severe Thunderstorm Watch 766 Status Reports
Fri, 31 Dec 2010 02:26:12 -0600
STATUS FOR WATCH 0766 HAS NOT BEEN ISSUED YETRead more
SPC Tornado Watch 765 Status Reports
Fri, 31 Dec 2010 01:10:12 -0600
STATUS FOR WATCH 0765 HAS NOT BEEN ISSUED YETRead more
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