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SPC Severe Thunderstorm Watch 569

WW 569 SEVERE TSTM CT DC DE MD NJ NY PA VA CW 291850Z – 300100Z

WW 0569 Image

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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 569
NWS Storm Prediction Center Norman OK
250 PM EDT Sat Jul 29 2023

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern Connecticut
  District Of Columbia
  Delaware
  Maryland
  New Jersey
  Southeast New York
  Southeast Pennsylvania
  Northern Virginia
  Coastal Waters

* Effective this Saturday afternoon and evening from 250 PM until
  900 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1 inch in diameter possible

SUMMARY...Widely scattered to scattered thunderstorms are expected
to form this afternoon and spread eastward to the Mid-Atlantic
coast.  The storm environment supports a mix of multicell clusters
and some supercells capable of producing damaging winds and isolated
large hail through late evening.

The severe thunderstorm watch area is approximately along and 90
statute miles east and west of a line from 45 miles west northwest
of Bridgeport CT to 30 miles west of Patuxent River MD. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).

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 567...WW 568...

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 500. Mean storm motion vector
27035.

...Thompson

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