SEL4
SPC WW 242022
TXZ000-250300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 34
NWS STORM PREDICTION CENTER NORMAN OK
320 PM CDT WED MAR 24 2010
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PART OF WEST CENTRAL AND NORTH CENTRAL TEXAS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1000 PM 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 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH
SOUTHWEST OF SAN ANGELO TEXAS TO 65 MILES EAST NORTHEAST OF
DALLAS TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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...STORMS ARE DEVELOPING ALONG AND AHEAD OF THE COLD FRONT
MOVING EWD ACROSS NWRN TX. AIR MASS HAS SUFFICIENTLY DESTABILIZED
WITH HEATING TO SUPPORT STRONG UPDRAFTS. WITH THE 40-50KT OF DEEP
LAYER SHEAR AND STEEP MID LEVEL LAPSE RATES A FEW OF THE STORMS ARE
EXPECTED TO BECOME SEVERE AS THEY CONTINUE E/NE INTO THE EVENING
HOURS. PRIMARY THREAT WILL BE LARGE HAIL...HOWEVER THERE IS THE
POSSIBILITY OF A COUPLE OF SUPERCELLS GIVEN THE IMPROVING LOW LEVEL
SHEAR LATER THIS AFTERNOON...ACCOMPANIED BY A DAMAGING WIND THREAT
AS WELL AS LARGE HAIL.
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 24030.
...HALES
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment