WATCHES: Severe Thunderstorm Watch Number 703

WWUS20 KWNS 231027
SEL3
SPC WW 231027
TXZ000-231800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 703
NWS STORM PREDICTION CENTER NORMAN OK
525 AM CDT SAT OCT 23 2010

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

SOUTHWEST...WEST CENTRAL...AND NORTHWEST TEXAS

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 525 AM UNTIL
100 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 65
STATUTE MILES EAST AND WEST OF A LINE FROM 115 MILES SOUTH
SOUTHWEST OF SAN ANGELO TEXAS TO 75 MILES NORTH OF MINERAL WELLS
TEXAS. 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.

DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE/INTENSITY
THROUGH MIDDAY ACROSS PARTS OF WRN AND NRN TX AS SRN NM UPR IMPULSE
CONTINUES NEWD WITHIN LARGER SCALE CNTRL U.S. TROUGH. INCREASING
ASCENT ON WRN EDGE OF DEEP MOIST AXIS /WITH PW AROUND 1.25 INCHES/
MAY FOSTER SVR HAIL IN SOME STORMS GIVEN RELATIVELY STEEP MID LVL
LAPSE RATES AND 40 KT SWLY CLOUD-LAYER SHEAR. STORMS MAY EVOLVE
INTO SEVERAL SMALL CLUSTERS...WITH EMBEDDED BOWING SEGMENTS POSSIBLY
YIELDING DMGG WIND.

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 23035.

...CORFIDI

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