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979 

WWUS20 KWNS 300113

SEL5

SPC WW 300113

KSZ000-MOZ000-OKZ000-300800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 205

NWS STORM PREDICTION CENTER NORMAN OK

805 PM CDT SUN APR 29 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL AND SOUTHEASTERN KANSAS

       WESTERN AND CENTRAL MISSOURI

       NORTHERN OKLAHOMA



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 805 PM UNTIL

300 AM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 160

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH

NORTHEAST OF CHANUTE KANSAS TO 40 MILES SOUTH SOUTHWEST OF ENID

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 203...WW 204...



DISCUSSION...TSTMS...INCLUDING A FEW SUPERCELLS...EXPECTED TO

INCREASE IN COVERAGE AND STRENGTH ALONG DIFFUSE CORRIDOR OF

WAA/CONFLUENCE FROM N CNTRL OK NEWD INTO SE KS AND SW MO.  AT THE

SAME TIME...SW KS FORWARD-PROPAGATING MCS EXPECTED TO CONTINUE

MOVING E OR PERHAPS ESE INTO S CNTRL KS AND NW OK...POSSIBLY WITH

SOME INCREASE IN STRENGTH AS IT ENCOUNTERS RICHER MOISTURE SUPPLY

WITH EWD EXTENT.  BOTH AREAS OF STORMS COULD YIELD SVR HAIL/LOCALLY

DMGG WIND.  LOW LVL WINDS ARE NOT EXPECTED TO APPRECIABLY INCREASE

AFTER NIGHTFALL.  HOWEVER...TORNADO THREAT WILL BE NON-ZERO...MAINLY

WITH WAA ACTIVITY...GIVEN MOIST LOW LVL ENVIRONMENT/MODEST LOW LVL

DIRECTIONAL SHEAR.  A MORE WIDESPREAD TORNADO THREAT WOULD APPEAR TO

REQUIRE FAVORABLE STORM-SCALE/BOUNDARY INTERACTIONS THAT ARE NOT

APPARENT ATTM.



AVIATION...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 550. MEAN STORM

MOTION VECTOR 25030.





...CORFIDI

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