Sunday, August 8, 2010

WATCHES: Severe Thunderstorm Watch Number 590

WWUS20 KWNS 082303
SEL0
SPC WW 082303
KSZ000-090300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 590
NWS STORM PREDICTION CENTER NORMAN OK
605 PM CDT SUN AUG 8 2010

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

NORTH CENTRAL KANSAS

EFFECTIVE THIS SUNDAY EVENING FROM 605 PM UNTIL 1000 PM CDT.

HAIL TO 1.5 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 50
STATUTE MILES EAST AND WEST OF A LINE FROM 85 MILES NORTH
NORTHEAST OF RUSSELL KANSAS TO 35 MILES WEST SOUTHWEST OF RUSSELL
KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 587...WW 588...WW 589...

DISCUSSION...SMALL AREA OF LOW LVL CONVERGENCE NEAR INTERSECTION OF
DEEP EML PLUME WITH MORE MOIST BUT STILL STRONGLY-HEATED ENVIRONMENT
IN ERN KS MAY SUPPORT DEVELOPMENT OF A SMALL MCS. STORMS MAY
DEVELOP CAPABILITY FOR DMGG WIND GUSTS AND SVR HAIL GIVEN
THERMODYNAMIC ENVIRONMENT...DESPITE WEAK W TO WNWLY DEEP SHEAR.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29020.


...CORFIDI

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