WATCHES: Severe Thunderstorm Watch Number 413

WWUS20 KWNS 011020
SEL3
SPC WW 011020
KSZ000-OKZ000-011800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 413
NWS STORM PREDICTION CENTER NORMAN OK
520 AM CDT SUN JUN 1 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

SOUTHERN KANSAS
NORTHERN OKLAHOMA

EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 520 AM UNTIL 100
PM CDT.

HAIL TO 2.5 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 50 MILES NORTH OF
ELKHART KANSAS TO 45 MILES SOUTH SOUTHEAST OF CHANUTE 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...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 412. WATCH NUMBER 412 WILL NOT
BE IN EFFECT AFTER 520 AM CDT. CONTINUE...WW 409...WW 411...

DISCUSSION...TSTMS/SUPERCELLS THAT EVOLVED FROM EARLIER STORMS IN SE
CO HAVE DEVELOPED ESE INTO SW KS...WHERE THEY ARE ENCOUNTERING
INCREASINGLY MOISTURE-RICH ESE LOW-LVL FLOW. ALTHOUGH THE STORMS
ATTM REMAIN SLIGHTLY ELEVATED...THEY MAY BECOME INCREASINGLY
SFC-BASED LATER THIS MORNING AS ASSOCIATED COLD POOLS
STRENGTHEN/CONSOLIDATE. RESULTING STORM CLUSTERS MAY POSE A RISK
FOR DMGG WIND...IN ADDITION TO LARGE HAIL...AS THEY MOVE GENERALLY
ESE TOWARD SE KS/NE OK.

AVIATION...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 28030.

...CORFIDI

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