A quick-moving area of low pressure passed south of Pennsylvania on March 9, 2022, and progressed off the Delmarva Peninsula and out to sea. This system produced a swatch of 6+ inches of snow in less than 12 hours across portions of the northern mountains of Pennsylvania, with lesser snowfall amounts farther to the south and primarily rain (occasionally mixed with wet snow) in the Lower…
Every event with a place to put it; 7 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 CTP wrote it up.
A quick-moving area of low pressure passed south of Pennsylvania on March 9, 2022, and progressed off the Delmarva Peninsula and out to sea. This system produced a swatch of 6+ inches of snow in less than 12 hours across portions of the northern mountains of Pennsylvania, with lesser snowfall amounts farther to the south and primarily rain (occasionally mixed with wet snow) in the Lower Susquehanna Valley.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before the first event at Mar 8, 3:45 PM EST, 15 hours 15 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
6 heavy snow, 1 winter weather. Local standard time, as filed.
A quick-hitting winter storm produced up to 6 inches of snow across Potter County in less than 12 hours on March 12, 2022.
A quick-hitting winter storm produced up to 6 inches of snow across Cameron County in less than 12 hours on March 12, 2022.
A quick-hitting winter storm produced up to 6 inches of snow across Tioga County in less than 12 hours on March 12, 2022. There were multiple vehicular accidents reported on Route 549 in Rutland Township due to the adverse weather, resulting in the closure of that road for over 2 hours during the storm.
A quick-hitting winter storm produced up to 6 inches of snow across northern Lycoming County in less than 12 hours on March 12, 2022.
A quick-hitting winter storm produced up to 6 inches of snow across northern Clinton County in less than 12 hours on March 12, 2022.
A quick-hitting winter storm produced up to 7 inches of snow across Elk County in less than 12 hours on March 12, 2022.
A tractor trailer rolled over on I-81 northbound in Pine Grove Township during a snow event that produced 2 to 4 inches of snow in Schuylkill County on March 9, 2022. This rollover resulted in the northbound lanes of I-81 being closed for over 7 hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2022Every state in 2022This day in weather historyWarnings in Pennsylvania, March 2022
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 2026-09-30. Each event’s entry at NCEI: 1002750, 1002751, 1002753, 1002755, 1002756, 1002757, 1002760.