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.
