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WWUS20 KWNS 251827

SEL9

SPC WW 251827

DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-WVZ000-CWZ000-260100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 39

NWS Storm Prediction Center Norman OK

130 PM EST Sat Feb 25 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  District Of Columbia

  Delaware

  Maryland

  Southern New Jersey

  Southeast Pennsylvania

  Central and Eastern Virginia

  Eastern Panhandle of West Virginia

  Coastal Waters



* Effective this Saturday afternoon and evening from 130 PM until

  800 PM EST.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms are intensifying along a cold front over

central VA.  These storms will track across the watch area this

afternoon, posing a threat of locally damaging winds and hail.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 50 miles northwest of

Wilmington DE to 10 miles south of South Hill VA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU9).



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.



&&



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 450. Mean storm motion vector

24035.



...Hart

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