395 

WWUS20 KWNS 161720

SEL6  

SPC WW 161720

DCZ000-MDZ000-NYZ000-PAZ000-VAZ000-WVZ000-CWZ000-170000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 686

NWS Storm Prediction Center Norman OK

125 PM EDT Fri Oct 16 2026



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of 

  District Of Columbia

  Maryland

  Southern New York

  Central and Eastern Pennsylvania

  Northern Virginia

  Eastern West Virginia

  Coastal Waters



* Effective this Friday afternoon and evening from 125 PM until

  800 PM EDT.



* Primary threats include...

  Widespread damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Clusters of storms will continue to develop and intensify

this afternoon, with the expectation that fast-moving bands/lines of

storms will evolve with the potential for wind damage.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 45 miles north of

Wilkesbarre PA to 80 miles south southwest 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.



&&



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

0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 450. Mean storm motion vector

25030.



...Guyer