WATCHES: Severe Thunderstorm Watch Number 206

WWUS20 KWNS 290226
SEL6
SPC WW 290226
TXZ000-290900-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 206
NWS STORM PREDICTION CENTER NORMAN OK
925 PM CDT TUE APR 28 2009

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

WEST CENTRAL AND NORTHWEST TEXAS INCLUDING THE PANHANDLE

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 925 PM
UNTIL 400 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 85
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH
SOUTHEAST OF LUBBOCK TEXAS TO 55 MILES NORTH OF BORGER TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 205...

DISCUSSION...ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE
INCREASING IN COVERAGE AND INTENSIFY ACROSS WW THROUGH THE LATE
EVENING ALONG NOSE OF SLY LLJ. AIRMASS IS MODERATELY
UNSTABLE...ALTHOUGH LIFTED-PARCELS WILL LIKELY REMAIN SOMEWHAT
ELEVATED...WITH SUFFICIENT SHEAR FOR SUPERCELLS. ACTIVITY WILL
LIKELY COALESCE INTO ONE OR TWO CLUSTERS/MCSS INTO THE EARLY MORNING
HOURS. LARGE HAIL WILL BE PRIMARY SEVERE THREAT...ALTHOUGH ISOLATED
DAMAGING WINDS MAY OCCUR WITH STORMS ROOTED CLOSE TO THE SURFACE.

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 500. MEAN STORM
MOTION VECTOR 24025.

...EVANS

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