NWS Pittsburgh PASV.W 0366September 12, 2026
Severe Thunderstorm Warning: Armstrong, Indiana County and Westmoreland, PA
The National Weather Service office in Pittsburgh issued a severe thunderstorm warning for Armstrong, Indiana County and Westmoreland in Pennsylvania, which was in force until 6:00 p.m. local time on September 12. It was the 366th severe thunderstorm warning the NWS office in Pittsburgh issued in 2026. Pennsylvania had 159 severe thunderstorm warnings in September 2026, against 30 in an average September of 2008-2025 (Pennsylvania's severe thunderstorm warnings by year).
ExpiredWarning
In force for 1.2 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Pittsburgh PA
- Area
- Armstrong, Indiana County and Westmoreland
- State
- Pennsylvania
- Level
- Warning
- Issued
- 4:48 p.m. EDT, September 12, 2026
- Expires
- 6:00 p.m. EDT, September 12, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KPBZ SV.W 0366
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Southeastern Westmoreland County in southwestern Pennsylvania... Southeastern Armstrong County in west central Pennsylvania... Indiana County in west central Pennsylvania... * Until 600 PM EDT. * At 448 PM EDT, severe thunderstorms were located along a line from 8 miles northwest of Indiana to over Youngwood, or along a line from 8 miles northwest of Indiana to 7 miles south of Greensburg, moving east at 20 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Greensburg, Indiana, Latrobe, Homer City, Mount Pleasant, McChesneytown-Loyalhanna, Blairsville, Youngwood, Derry, Lawson Heights, Ligonier, Black Lick, Calumet-Norvelt, Clymer, West Lebanon, New Florence, New Alexandria, Chevy Chase Heights and Seward.
What the agency told people to do
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.