Alert archive / Pennsylvania / Snow Squall Warnings in 2026

Snow Squall Warning 2, NWS State College, PA

December 31, 20254 counties in Pennsylvania

NWS State College, PA issued this snow squall warning at Dec 31, 2025, 11:29 PM EST for 4 counties in Pennsylvania. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 31, 2025, 11:29 PM EST (04:29 UTC)
Expired
Jan 1, 2026, 12:15 AM EST
In force
46 min
Issued by
NWS State College, PA
Area
Storm-based polygon

Counties Cameron County, PA, Clinton County, PA, Potter County, PA, Tioga County, PA

The radar

The State College radar (KCCX), 73 km from the middle of the area, began a volume at 04:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.5 hours before the alert went out and 234 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2026-01-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2026-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 448 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
475 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
448 m²/s²
0-3 km storm-relative helicity
519 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 31, 11:16 PM ESTSnow Squall WarningCTPElk44 min
Jan 1, 12:00 AM ESTSnow Squall WarningCTPCameron, Clearfield, Clinton, Elk45 min
Jan 1, 12:14 AM ESTSnow Squall WarningCTPCentre, Clinton, Lycoming, Sullivan, Tioga61 min
Jan 1, 12:44 AM ESTSnow Squall WarningCTPBlair, Cambria, Centre, Clearfield61 min
Jan 1, 1:12 AM ESTSnow Squall WarningCTPCentre, Clinton, Columbia, Lycoming, Montour, Northumberland and 2 more63 min
Jan 1, 1:32 AM ESTSnow Squall WarningCTPBedford, Blair, Cambria, Centre, Huntingdon, Juniata and 1 more58 min
Jan 1, 1:52 AM ESTSnow Squall WarningCTPColumbia, Juniata, Montour, Northumberland, Perry, Snyder and 1 more68 min
Jan 1, 2:13 AM ESTSnow Squall WarningCTPBedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 2 more77 min
Jan 1, 2:35 AM ESTSnow Squall WarningCTPDauphin, Lebanon, Schuylkill85 min
Jan 1, 3:15 AM ESTSnow Squall WarningCTPAdams, Franklin, Lancaster, York90 min
Jan 1, 12:43 PM ESTWinter Weather AdvisoryCTPMcKean, Warren27 hr

Nearby

Snow Squall Warnings in Pennsylvania, 2026Every snow squall warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.