WATCHES: Severe Thunderstorm Watch Number 355

WWUS20 KWNS 241847
SEL5
SPC WW 241847
DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-CWZ000-250200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 355
NWS STORM PREDICTION CENTER NORMAN OK
245 PM EDT MON JUN 24 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

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

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
1000 PM EDT.

* PRIMARY THREATS INCLUDE...
NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF
TRENTON NEW JERSEY TO 35 MILES SOUTHEAST OF WASHINGTON DISTRICT
OF COLUM. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 354...

DISCUSSION...THUNDERSTORM ACTIVITY NOW DEVELOPING ALONG AND TO THE
EAST OF THE NORTH CENTRAL APPALACHIANS APPEARS INCREASINGLY LIKELY
TO CONGEAL ...WITH CONSOLIDATING SURFACE COLD POOLS...AS IT DEVELOPS
EASTWARD INTO A VERY WARM AND MOIST ENVIRONMENT ACROSS THE COASTAL
PLAIN. LARGE CAPE WILL MAINTAIN INTENSE UPDRAFTS WITH THE RISK FOR
SEVERE HAIL...AND THE RISK FOR POTENTIALLY DAMAGING WIND GUSTS WILL
INCREASE AS UPSCALE GROWTH PROCEEDS.

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 27025.


...KERR

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