Ahead of an arctic cold front arriving from the northwest, heavy snow showers and embedded snow squalls developed across western Pennsylvania. 5 C/km, a saturated DGZ, and a pressure fall/rise couplet supported convective snow showers dropping visibility to near zero and putting a quick accumulation on area roadways including major interstates.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PBZ wrote it up.
Ahead of an arctic cold front arriving from the northwest, heavy snow showers and embedded snow squalls developed across western Pennsylvania. Low level lapse rates up to 7.5 C/km, a saturated DGZ, and a pressure fall/rise couplet supported convective snow showers dropping visibility to near zero and putting a quick accumulation on area roadways including major interstates.
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
PennDOT camera on I-80 at Clarion showed less than a quarter mile visibility with rapid accumulation on roadways in a snow squall.
PennDOT camera on I-80 at Brookville showed less than a quarter mile visibility with a rapid accumulation on roadways in a snow squall.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2026Every state in 2026This day in weather historyWarnings in Pennsylvania, March 2026
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1323257, 1323260.