WW 391 SEVERE TSTM DE NJ NY PA LE LO CW 261710Z – 270100Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 391 NWS Storm Prediction Center Norman OK 110 PM EDT Mon Jun 26 2023 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Delaware New Jersey Western New York Central and eastern Pennsylvania Lake Erie Lake Ontario Coastal Waters * Effective this Monday afternoon and evening from 110 PM until 900 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Multiple areas of multicell clustering are expected with a few transient supercells across parts of New York and Pennsylvania into New Jersey. Strong to localized severe gusts producing damaging winds will be the main threat. The severe thunderstorm watch area is approximately along and 85 statute miles east and west of a line from 45 miles north northeast of Rochester NY to 45 miles southeast of Harrisburg PA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). 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 21025. ...Grams
