

409 

WWUS20 KWNS 141956

SEL1

SPC WW 141956

MDZ000-VAZ000-WVZ000-150100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 271

NWS Storm Prediction Center Norman OK

400 PM EDT Mon Jun 14 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Maryland Panhandle

  Northern Virginia

  Eastern West Virginia Panhandle



* Effective this Monday afternoon and evening from 400 PM until

  900 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Discrete cells should spread east-southeast from southwest

Pennsylvania and may develop south across the eastern West Virginia

Panhandle.



The severe thunderstorm watch area is approximately along and 45

statute miles north and south of a line from 75 miles west of

Martinsburg WV to 20 miles south southeast of Martinsburg WV. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU1).



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 269...WW 270...



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

1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

30030.



...Grams

