AI Summary

WW 506 SEVERE TSTM IN KY OH PA WV 211710Z - 220000Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 506 NWS Storm Prediction Center Norman OK 110 PM EDT Tue Jul 21 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far Southeast Indiana Far Northern Kentucky Central and Southern Ohio Southwest Pennsylvania West Virginia * Effective this Tuesday afternoon and evening from 110 PM until 800 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Thunderstorm coverage is expected to increase this afternoon as a pre-frontal trough and associated cold front moves through the region. Overall environmental conditions favor strong to severe thunderstorms, with a linear convective mode favoring damaging gusts as the primary risk. Low-level shear is also strong enough to support a low-probability risk for a few brief, line-embedded tornadoes as well. The severe thunderstorm watch area is approximately along and 80 statute miles north and south of a line from 75 miles north northeast of White Sulphur Springs WV to 50 miles west northwest of Cincinnati OH. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 27035. ...Mosier Read more

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