URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 305 NWS
STORM PREDICTION CENTER NORMAN OK 1250 PM CDT FRI MAY 15 2009 THE NWS
STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF
FAR WEST CENTRAL ILLINOIS FAR NORTHEAST KANSAS NORTHERN
MISSOURI EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL
800 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 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 10 MILES SOUTH SOUTHWEST OF SAINT
JOSEPH MISSOURI TO 75 MILES EAST NORTHEAST OF COLUMBIA MISSOURI. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU5). 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...THIS TORNADO WATCH REPLACES SEVERE THUNDERSTORM
WATCH NUMBER 304. WATCH NUMBER 304 WILL NOT BE IN EFFECT AFTER 1250 PM
CDT. DISCUSSION...WARM FRONT IS GETTING MORE DEFINED E-W ACROSS NRN MO
JUST NORTH OF THE MO RIVER. EXPECT CLUSTER OF STORMS TO EVOLVE INTO A
BOWING MCS OR CYCLIC HP-SUPERCELL MOVING ESEWD ALONG THIS BOUNDARY THROUGH
THE AFTERNOON AS AIR MASS DESTABILIZES AND WEAKENS CAP. LARGE HAIL WILL
BE COMMON WITH THE STRONGER CORES...EVEN NORTH OF THE WARM FRONT WITH
ELEVATED STORMS. ACTIVITY NEAR AND SOUTH OF THE BOUNDARY WILL HAVE
ADDITIONAL TORNADO/DAMAGING WIND HAZARDS. 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 28035. ...EVANS
ILLINOIS COUNTIES INCLUDED ARE ADAMS BROWN
CALHOUN PIKE KANSAS COUNTIES INCLUDED ARE
ATCHISON DONIPHAN JOHNSON LEAVENWORTH
WYANDOTTE MISSOURI COUNTIES INCLUDED ARE ADAIR
ANDREW AUDRAIN BOONE BUCHANAN
CALDWELL CALLAWAY CARROLL CHARITON
CLAY CLINTON COOPER DAVIESS
DEKALB GRUNDY HOWARD JACKSON
KNOX LAFAYETTE LEWIS LINCOLN
LINN LIVINGSTON MACON MARION
MONITEAU MONROE MONTGOMERY PIKE
PLATTE RALLS RANDOLPH RAY
SALINE SHELBY SULLIVAN WARREN
Friday, May 15, 2009
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