Thursday, August 14, 2008

WATCHES: Severe Thunderstorm Watch Number 827

WWUS20 KWNS 140706
SEL7
SPC WW 140706
KSZ000-141000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 827
NWS STORM PREDICTION CENTER NORMAN OK
205 AM CDT THU AUG 14 2008

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

CENTRAL KANSAS

EFFECTIVE THIS THURSDAY MORNING FROM 205 AM UNTIL 500 AM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
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 35 MILES NORTHWEST OF
SALINA KANSAS TO 60 MILES SOUTHWEST OF HUTCHINSON KANSAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).

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.

DISCUSSION...LINE OF STORMS FROM NE OF RSL TO SE OF HLC ARE MOVING
SEWD AT 35-40 KT. PRESENCE OF STEEP LOW/MID LEVEL LAPSE RATES AND
MESO HIGH/COLD POOL SHOULD MAINTAIN MOSTLY A SEVERE WIND THREAT WITH
THIS SYSTEM THE NEXT 2 TO 3 HOURS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 33035.


...IMY

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