Posted by JAC on 3/8/2009, 7:39 am, in reply to "Starting in Missouri"

URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 48 NWS STORM PREDICTION CENTER NORMAN OK 635 AM CDT SUN MAR 8 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF WEST CENTRAL ILLINOIS FAR SOUTHEAST KANSAS SOUTHWEST THROUGH EAST CENTRAL MISSOURI EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 635 AM UNTIL 200 PM CDT. 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 65 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTH NORTHWEST OF JOPLIN MISSOURI TO 25 MILES NORTH OF ALTON 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. DISCUSSION...TSTMS/POSSIBLE SUPERCELLS EXPECTED TO INCREASE DURING THE NEXT SEVERAL HOURS OVER WW AREA AS HEIGHT FALLS/DEEP ASCENT SHARPLY INCREASE ATOP WARM SECTOR OF DEVELOPING MO SFC LOW. STRENGTH OF LOW LVL SHEAR /50 KT/ AND EXISTING QUASI-DISCRETE STORM STRUCTURES SUGGEST POTENTIAL FOR ISOLD TORNADOES IN ADDITION TO BOWING SEGMENTS WITH HIGH WIND/HAIL. 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 400. MEAN STORM MOTION VECTOR 24045. ...CORFIDI