

609 

WWUS20 KWNS 241152

SEL3

SPC WW 241152

KSZ000-241900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 353

NWS STORM PREDICTION CENTER NORMAN OK

650 AM CDT TUE MAY 24 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN KANSAS



EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 650 AM UNTIL

200 PM 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 60

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

NORTHWEST OF RUSSELL KANSAS TO 10 MILES EAST OF EMPORIA KANSAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 351...WW 352...



DISCUSSION...AN ORGANIZED CLUSTER OF ELEVATED TSTMS IS EXPECTED TO

CONTINUE A GENERAL EASTWARD PROPAGATION ACROSS KS THIS

MORNING...WITH THE STRONGEST UPDRAFTS LIKELY TO REMAIN ON THE

SOUTHERN PERIPHERY IN PROXIMITY TO A SOURCE REGION OF STEEP LAPSE

RATES ALOFT/AMPLE ELEVATED INSTABILITY. SEVERE HAIL WILL BE THE

PRIMARY CONCERN EARLY THIS MORNING...BUT SOME ADDITIONAL UPSCALE

GROWTH IS POSSIBLE AND DAMAGING WINDS COULD BECOME MORE A CONCERN AS

THE BOUNDARY LAYER HEATS THROUGH THE MORNING AND STORMS BECOME MORE

SURFACE BASED WITH TIME.



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 450. MEAN STORM

MOTION VECTOR 27025.





...GUYER/CORFIDI

