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The original item was published from 7/21/2021 11:58:45 AM to 7/21/2021 12:02:29 PM.

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Posted on: July 21, 2021

[ARCHIVED] Severe Thunderstorm Watch . . .

Severe Thunderstorm Watch

Severe Thunderstorm Watch Number 385
NWS Storm Prediction Center Norman OK
1155 AM EDT Wed Jul 21 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
District Of Columbia
Southeast Massachusetts
Central and Eastern Maryland
New Jersey
Southeast New York
Southeast Pennsylvania
Rhode Island
Northeast Virginia
Coastal Waters

* Effective this Wednesday morning and evening from 1155 AM until
800 PM EDT.

* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail events to 1.5 inches in diameter possible

SUMMARY...Scattered strong to severe thunderstorms will develop this
afternoon along a weak cold front extending from northern Virginia
into eastern Massachusetts. The strongest cells will pose a risk of
damaging wind gusts and hail.

The severe thunderstorm watch area is approximately along and 50
statute miles either side of a line from 25 miles west southwest of
Baltimore MD to 40 miles northeast of Hyannis MA. For a complete
depiction of the watch see the associated watch outline update


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

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