WWUS20 KWNS 200706
SEL3
SPC WW 200706
ARZ000-OKZ000-TXZ000-201400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 193
NWS STORM PREDICTION CENTER NORMAN OK
205 AM CDT THU MAY 20 2010
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF SOUTHWEST ARKANSAS
LARGE PART OF SOUTHEAST OKLAHOMA
PARTS OF NORTH CENTRAL AND NORTHEAST TEXAS
EFFECTIVE THIS THURSDAY MORNING FROM 205 AM UNTIL 900 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 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTHWEST
OF ARDMORE OKLAHOMA TO 40 MILES SOUTH SOUTHEAST OF HOT SPRINGS
ARKANSAS. 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...THUNDERSTORMS...SOME SEVERE CONTINUE TO TRACK EWD
ACROSS SERN OK INTO AR WITH A PERSISTING SWLY FLOW OF MOIST UNSTABLE
AIR. ADDITIONAL STRONG/SEVERE THUNDERSTORMS EXPECTED TO DEVELOP
AHEAD OF COLD FRONT AND UPPER TROUGH MOVING EWD SWRN OK/NWRN TX.
STORMS WILL FORM VICINITY RED RIVER VALLEY AND WITH MLCAPES AOA 2000
J/KG AND 40-50 KT OF SHEAR...POSE A THREAT OF LARGE HAIL AND
DAMAGING WINDS.
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 26030.
...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.
