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480 

WWUS20 KWNS 010452

SEL1

SPC WW 010452

DCZ000-MDZ000-VAZ000-CWZ000-011200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 481

NWS Storm Prediction Center Norman OK

1255 AM EDT Wed Sep 1 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  District Of Columbia

  Central and northern Maryland

  Northeastern Virginia

  Coastal Waters



* Effective this Wednesday morning from 1255 AM until 800 AM EDT.



* Primary threats include...

  A couple tornadoes possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...A potentially tornadic supercell on the fringes of Ida's

remnants will exit tornado watch 480 in the next 1-2 hours and is

moving generally toward the DC metro.  Other convection also may

develop and become supercellular overnight, along a frontal zone

draped across the watch area.



The tornado watch area is approximately along and 30 statute miles

either side of a line from 50 miles west southwest of Washington DC

to 30 miles northeast of Baltimore MD. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 480...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 0 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 23035.



...Edwards

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