Severe · Severe Thunderstorm WarningThis alert has expired. It is kept for reference.
Severe Thunderstorm Warning issued September 3 at 5:12PM EDT until September 3
Affecting Armstrong, PA; Butler, PA; Clarion, PA; Jefferson, PA; Lawrence, PA; Venango, PA
In effect until: Sep 3, 2026, 10:00 PM
Armstrong, PA; Butler, PA; Clarion, PA; Jefferson, PA; Lawrence, PA; Venango, PA
Confirmed across 6 counties in PA; expires 10:00 PM.
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.
Read the original bulletin (official text)
SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... South Central Venango County in northwestern Pennsylvania... Armstrong County in west central Pennsylvania... Butler County in west central Pennsylvania... Southern Clarion County in west central Pennsylvania... Southwestern Jefferson PA County in west central Pennsylvania... Southeastern Lawrence County in western Pennsylvania... * Until 600 PM EDT. * At 512 PM EDT, severe thunderstorms were located along a line from over Knox to 9 miles south of Slippery Rock, or along a line from over Knox to 12 miles northwest of Butler, moving east at 45 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... Butler, Kittanning, Knox, Rimersburg, Homeacre-Lyndora, Shanor-Northvue, Meridian, Slippery Rock, Ford City, Meadowood, Oak Hills, New Bethlehem, West Kittanning, Prospect, Chicora, East Brady, Harrisville, Parker and Plain Grove Township.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™