Pennsylvania Severe Severe Thunderstorm Warning | Effective 07/21/2026 16:13

Headline: 
Severe Thunderstorm Warning issued July 21 at 7:13PM EDT until July 21 at 8:00PM EDT by NWS Pittsburgh PA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 4:13pm
Expires: 
July 21, 2026 - 5:00pm
Description: 
SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Forest County in northwestern Pennsylvania... East Central Venango County in northwestern Pennsylvania... Northeastern Clarion County in west central Pennsylvania... Northern Jefferson PA County in west central Pennsylvania... * Until 800 PM EDT. * At 713 PM EDT, severe thunderstorms were located along a line from 10 miles northwest of Marienville to 8 miles southeast of Oil City, moving southeast at 50 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Brookville, Marienville, Brockway, Tionesta, Falls Creek, Sigel, Fisher, Leeper, Kellettville, Fryburg, Clarington, Cook Forest State Park, Clear Creek State Park and Starr.
Instruction: 
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing widespread damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Area Description: 
Clarion, PA; Forest, PA; Jefferson, PA; Venango, PA
Forcast Office: 
NWS Pittsburgh PA