WATCHES: Severe Thunderstorm Watch Number 589

WWUS20 KWNS 032022
SEL9
SPC WW 032022
DCZ000-MDZ000-VAZ000-WVZ000-CWZ000-040400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 589
NWS STORM PREDICTION CENTER NORMAN OK
420 PM EDT SUN JUL 3 2011

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

DISTRICT OF COLUMBIA
WESTERN AND CENTRAL MARYLAND
NORTHERN VIRGINIA
EASTERN PANHANDLE OF WEST VIRGINIA
COASTAL WATERS

EFFECTIVE THIS SUNDAY AFTERNOON FROM 420 PM UNTIL MIDNIGHT EDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 65
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH
NORTHWEST OF STAUNTON VIRGINIA TO 25 MILES EAST SOUTHEAST OF
BALTIMORE MARYLAND. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

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 588...

DISCUSSION...ISOLATED THUNDERSTORMS HAVE BEGUN FORMING OVER NORTHERN
WV AND MD. THESE STORMS WILL SPREAD SLOWLY SOUTHEASTWARD ACROSS THE
WATCH AREA THIS AFTERNOON AND EVENING. DEEP LAYER FLOW IS RATHER
WEAK...WHICH WILL LIKELY LIMIT COVERAGE OF INTENSE STORMS.
HOWEVER...PER COORDINATION WITH LOCAL OFFICE...BELIEVE THERE MAY BE
SUFFICIENT THREAT OF LOCALLY GUSTY/DAMAGING WINDS AND HAIL FOR WATCH
ISSUANCE.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29015.

...HART

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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.