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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 88
NWS Storm Prediction Center Norman OK
1230 PM EDT Mon May 14 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Western and central Maryland
Northern and central West Virginia
* Effective this Monday afternoon and evening from 1230 PM until
900 PM EDT.
* Primary threats include...
Widespread damaging winds and isolated significant gusts to 75
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Strong to severe storms will quickly evolve into a squall
line that should progress east then southeast across the central
Appalachians towards Chesapeake Bay. Damaging winds will be the
primary hazard with a brief tornado or two possible.
The severe thunderstorm watch area is approximately along and 85
statute miles either side of a line from 40 miles northwest of
Parkersburg WV to 20 miles south southeast of Baltimore MD. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
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
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector