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SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 178
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT TUE APR 24 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN KANSAS
WESTERN AND CENTRAL MISSOURI
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
1100 PM CDT.
TORNADOES...HAIL TO 2 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 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES WEST NORTHWEST OF
SAINT JOSEPH MISSOURI TO 15 MILES SOUTH OF JOPLIN MISSOURI. 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.
OTHER WATCH INFORMATION...CONTINUE...WW 172...WW 173...WW
174...WW 175...WW 176...WW 177...
DISCUSSION...TSTMS/SUPERCELLS EXPECTED TO INCREASE IN
COVERAGE/INTENSITY IN THE NEXT FEWS HOURS IN RESPONSE TO CONTINUED
SFC HEATING/CONVERGENCE. POTENTIAL WILL EXIST FOR LARGE
HAIL/ISOLATED TORNADOES GIVEN DEGREE OF SFC-BASED INSTABILITY AND
OBSERVED/FCST WIND PROFILES...ASSUMING STORMS BECOME ROOTED IN THE
BOUNDARY LAYER.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 21035.
...CORFIDI
