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WWUS20 KWNS 080611

SEL6

SPC WW 080611

MDZ000-PAZ000-VAZ000-WVZ000-081000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 86

NWS Storm Prediction Center Norman OK

215 AM EDT Wed Apr 8 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western Maryland

  A small part of south central Pennsylvania

  Extreme northern Virginia

  The eastern West Virginia Panhandle



* Effective this Wednesday morning from 215 AM until 600 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1 inch in diameter possible



SUMMARY...Well-developed squall line in southwestern Pennsylvania

will continue to surge quickly southeastward through the early

morning hours with an attendant threat for damaging gusts.  After

crossing the Appalachians, the storms are expected to weaken later

this morning, with a diminishing severe weather threat.



The severe thunderstorm watch area is approximately along and 35

statute miles north and south of a line from 20 miles north of

Martinsburg WV to 85 miles west of Martinsburg WV. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU6).



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 84...WW 85...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 450. Mean storm motion vector

32040.



...Thompson

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