SPC Severe Thunderstorm Watch 510



WW 510 SEVERE TSTM NY PA WV LE LO 151855Z – 152300Z

WW 0510 Image


URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 510
NWS Storm Prediction Center Norman OK
155 PM EST Sun Nov 15 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western New York
  Western Pennsylvania
  Northern West Virginia Panhandle
  Lake Erie
  Lake Ontario

* Effective this Sunday afternoon and evening from 155 PM until
  600 PM EST.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Line of low-topped thunderstorms with strong to severe
wind gusts should continue east-northeast from eastern Ohio across
western portions of Pennsylvania and New York through early evening.
Overall intensity should gradually diminish after sunset, but the
risk for damaging winds may persist.

The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 15 miles south of
Franklin PA to 45 miles southeast of Rochester NY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).

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 509...

AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 300. Mean storm motion vector
25050.

...Grams

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