WW 673 SEVERE TSTM DC MD NJ NY PA VA WV CW 071705Z – 080100Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 673
NWS Storm Prediction Center Norman OK
105 PM EDT Thu Sep 7 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
central Maryland
northwestern New Jersey
central and eastern New York
central and eastern Pennsylvania
northern Virginia
eastern West Virginia
Coastal Waters
* Effective this Thursday afternoon and evening from 105 PM until
900 PM EDT.
* Primary threats include…
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY…Thunderstorms developing east of the Allegheny and Blue
Ridge Mountains will gradually develop north-northeastward during
the next couple of hours, before eventually growing into one or two
larger storm clusters. Thereafter, increasing risk for potentially
damaging wind gusts is possible on expanding thunderstorm outflows
spreading northeastward and eastward into early evening.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 40 miles southeast of
Hagerstown MD to 40 miles west northwest of Glens Falls NY. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24035.
…Kerr
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