Alert archive / Pennsylvania / Extreme Cold Warnings in 2026

Extreme Cold Warning 3, NWS Pittsburgh, PA

January 30, 20267 counties in Pennsylvania; 4 counties in Ohio; Hancock County, West Virginia

NWS Pittsburgh, PA issued this extreme cold warning at Jan 30, 2026, 10:32 PM EST for 7 counties in Pennsylvania; 4 counties in Ohio; Hancock County, West Virginia. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 30, 2026, 10:32 PM EST (03:32 UTC)
Expired
Jan 31, 2026, 11:00 AM EST
In force
12 hr
Issued by
NWS Pittsburgh, PA

Counties Carroll County, OH, Columbiana County, OH, Jefferson County, OH, Tuscarawas County, OH, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Hancock County, WV

The radar

The Pittsburgh radar (KPBZ), 25 km from the middle of the area, began a volume at 03:33 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 3.5 hours before the alert went out and 311 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, Washington/Dulle, VA at 00:00Z on 2026-01-31Temperature 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, Washington/Dulle, VA at 00:00Z on 2026-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -119 square meters per square second.1939587897Sfc1 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
1739 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-119 m²/s²
0-3 km storm-relative helicity
-49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 11:23 PM ESTCold Weather AdvisoryPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more36 hr
Jan 30, 11:23 PM ESTExtreme Cold WarningPBZTucker38 hr

Nearby

Extreme Cold Warnings in Pennsylvania, 2026Extreme Cold Warnings in Ohio, 2026Extreme Cold Warnings in West Virginia, 2026Every extreme cold 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.