SPC Tornado Watch 746
Mon, 22 Nov 2010 16:51:02 -0600
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 746 NWS STORM PREDICTION CENTER NORMAN OK 450 PM CST MON NOV 22 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL ILLINOIS SOUTHERN THROUGH EAST CENTRAL MISSOURI EFFECTIVE THIS MONDAY AFTERNOON FROM 450 PM UNTIL MIDNIGHT CST. TORNADOES...HAIL TO 1.5 INCHES 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 CHAMPAIGN ILLINOIS TO 50 MILES SOUTH SOUTHEAST OF SPRINGFIELD MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). 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 744...WW 745... DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE AND POSSIBLY STRENGTH ALONG AND JUST AHEAD OF INTENSIFYING COLD FRONT MOVING ESE FROM CNTRL/SW MO. FRONTAL UPLIFT AND LARGER SCALE UVV MAY BE ENHANCED WITH TIME AS SECOND IMPULSE ASSOCIATED WITH BROADER SHORTWAVE TROUGH CROSSING THE CNTRL PLNS CONTINUES EWD AND GLANCES FRONTAL ZONE. VERY STRONG DEEP WIND FIELD...SEASONABLY MOIST BOUNDARY LAYER INFLOW...AND RELATIVELY STEEP LOW LVL LAPSE RATES SUGGEST POTENTIAL FOR A FEW SEMI-DISCRETE SUPERCELLS POSING A THREAT FOR TORNADOES...IN ADDITION TO SVR HAIL/WIND. AVIATION...TORNADOES AND 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 450. MEAN STORM MOTION VECTOR 25050. ...CORFIDIRead more
SPC Tornado Watch 746 Status Reports
Mon, 22 Nov 2010 16:51:11 -0600
STATUS FOR WATCH 0746 HAS NOT BEEN ISSUED YETRead more
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