SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1100 AM CST SAT FEB 24 2001 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS THE SOUTHERN HALF OF MISSOURI THIS AFTERNOON AND EVENING. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN MISSOURI AND WEST CENTRAL AND SOUTHWEST ILLINOIS THIS AFTERNOON AND EVENING. A LINE OF STRONG TO SEVERE THUNDERSTORMS DEVELOPING ACROSS THE CENTRAL GREAT PLAINS IS EXPECTED TO MOVE RAPIDLY NORTHEASTWARD INTO CENTRAL MISSOURI LATE THIS AFTERNOON OR EARLY THIS EVENING. DAMAGING WINDS WILL BE THE MAIN THREAT WITH THIS LINE OF THUNDERSTORMS ALTHOUGH ISOLATED LARGE HAIL ALSO IS POSSIBLE THIS AFTERNOON. EMERGENCY MANAGERS AND STORM SPOTTERS ARE ADVISED TO MONITOR NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TV STATIONS FOR POSSIBLE SKYWARN ACTIVATION THIS AFTERNOON OR EVENING. LENNING