SPC Severe Thunderstorm Watch 657

SPC Severe Thunderstorm Watch 657

WW 657 SEVERE TSTM IN OH PA LE 250150Z – 250700Z

Severe Thunderstorm Watch Number 657
NWS Storm Prediction Center Norman OK
950 PM EDT Thu Aug 24 2023

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Northeast Indiana
Northern and Central Ohio
Northwest Pennsylvania
Lake Erie

* Effective this Thursday night and Friday morning from 950 PM
until 300 AM EDT.

* Primary threats include…
Scattered damaging winds and isolated significant gusts to 85
mph likely
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible

SUMMARY…A fast-moving line of severe thunderstorms over southern
Lower Michigan will track southeastward across the watch area
tonight. Damaging wind gusts are the main concern, with a risk of
significant wind damage at times. A tornado or two is also

The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 10 miles north
northwest of Fort Wayne IN to 25 miles north of Franklin PA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU7).


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


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