WATCHES: Severe Thunderstorm Watch Number 373

WWUS20 KWNS 261859
SEL3
SPC WW 261859
DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-CWZ000-270200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 373
NWS STORM PREDICTION CENTER NORMAN OK
255 PM EDT WED JUN 26 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
DELAWARE
CENTRAL AND EASTERN MARYLAND
SOUTHERN NEW JERSEY
SOUTHEASTERN PENNSYLVANIA
CENTRAL AND EASTERN VIRGINIA
COASTAL WATERS

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 255 PM
UNTIL 1000 PM EDT.

* PRIMARY THREATS INCLUDE...
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH OF
ATLANTIC CITY NEW JERSEY TO 45 MILES WEST OF SOUTH HILL VIRGINIA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 372...

DISCUSSION...SCATTERED STRONG/SEVERE STORM DEVELOPMENT IS NOW WELL
UNDERWAY ALONG THE BLUE RIDGE INTO THE VICINITY OF THE LEE SURFACE
TROUGH ACROSS THE MID ATLANTIC STATES. GIVEN MODERATELY LARGE CAPE
ACTIVITY IS EXPECTED TO CONTINUE TO INCREASE IN COVERAGE AND DEVELOP
EASTWARD TOWARD COASTAL AREAS...AIDED BY FORCING ASSOCIATED WITH AN
IMPULSE PROGRESSING ACROSS THE CENTRAL APPALACHIANS. UPSCALE GROWTH
INTO A LOOSELY ORGANIZED LARGER CLUSTER OF STORMS IS NOT OUT OF THE
QUESTION...PERHAPS ENHANCED...ACROSS PARTS OF MARYLAND AND THE
DELMARVA PENINSULA INTO NORTHERN MID ATLANTIC COASTAL AREAS...BY A
LINGERING BELT OF MODEST MID-LEVEL FLOW.

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 27030.


...KERR

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