Tornado Watch 306

URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 306 NWS
STORM PREDICTION CENTER NORMAN OK 235 PM CDT FRI MAY 15 2009 THE NWS
STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF
CENTRAL ILLINOIS EAST CENTRAL MISSOURI EFFECTIVE THIS FRIDAY
AFTERNOON AND EVENING FROM 235 PM UNTIL 1000 PM CDT. TORNADOES...HAIL
TO 2.5 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 EAST AND WEST OF A LINE
FROM 15 MILES WEST SOUTHWEST OF SCOTT AFB ILLINOIS TO 40 MILES NORTH
NORTHEAST OF BLOOMINGTON ILLINOIS. 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 305... DISCUSSION...AIR MASS CONTINUES TO
DESTABILIZE ALONG AND SOUTH OF SURFACE WARM FRONT BISECTING CENTRAL IL
THIS AFTERNOON. STRONG PRESSURE FALLS ACROSS NRN IL SUGGESTS THIS WARM
FRONT WILL TEND TO LIFT NWD THROUGH THE EVENING. VERY STRONG LOW AND DEEP
LAYER SHEAR WILL REMAIN SUPPORTIVE OF SUPERCELLS WITH ATTENDANT TORNADO
THREAT. LARGER SEVERE MCS MAY EVOLVE ACROSS NRN/CENTRAL MO AND MOVE
STEADILY ESEWD TOWARDS E-CENTRAL MO/WRN IL THROUGH THE EVENING...WHICH MAY
SUPPORT INCREASED WIND DAMAGE THREAT. AVIATION...TORNADOES AND A FEW
SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH
MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27035. EVANS
ILLINOIS COUNTIES INCLUDED ARE BOND CASS
CHAMPAIGN CHRISTIAN CLINTON COLES
DE WITT DOUGLAS EDGAR FAYETTE
FORD FULTON GREENE IROQUOIS
JERSEY LIVINGSTON LOGAN MACON
MACOUPIN MADISON MARION MASON
MCLEAN MENARD MONROE MONTGOMERY
MORGAN MOULTRIE PEORIA PIATT
SANGAMON SCHUYLER SCOTT SHELBY
ST. CLAIR TAZEWELL VERMILION WASHINGTON
WOODFORD MISSOURI COUNTIES INCLUDED ARE FRANKLIN
JEFFERSON ST. CHARLES ST. LOUIS MISSOURI
INDEPENDENT CITIES INCLUDED ARE ST. LOUIS CITY