Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 149, NWS State College, PA

August 29, 2022Cameron County, Clinton County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 29, 2022, 5:37 PM EDT for Cameron County, Clinton County, Pennsylvania. It was in force for 38 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
Aug 29, 2022, 5:37 PM EDT (21:37 UTC)
Expired
Aug 29, 2022, 6:15 PM EDT
In force
38 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cameron County, PA, Clinton County, PA

The radar

The State College radar (KCCX), 46 km from the middle of the area, began a volume at 21:40 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.6 hours before the alert went out and 189 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, Buffalo Intl Airport, NY at 12:00Z on 2022-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 331 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2022-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.193958Sfc1 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
331 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1251 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 2:27 PM EDTSpecial Weather StatementCTPWarren48 min
Aug 29, 3:08 PM EDTSpecial Weather StatementCTPMcKean52 min
Aug 29, 3:51 PM EDTSpecial Weather StatementCTPMcKean24 min
Aug 29, 4:31 PM EDTSpecial Weather StatementCTPCameron44 min
Aug 29, 5:00 PM EDTSpecial Weather StatementCTPCameron45 min
Aug 29, 5:12 PM EDTSpecial Weather StatementCTPTioga33 min
Aug 29, 5:27 PM EDTSevere Thunderstorm WarningCTPClearfield33 min
Aug 29, 5:38 PM EDTSpecial Weather StatementCTPPotter37 min
Aug 29, 5:59 PM EDTSpecial Weather StatementCTPClinton, Tioga31 min
Aug 29, 6:25 PM EDTSpecial Weather StatementCTPClearfield35 min
Aug 29, 6:41 PM EDTSpecial Weather StatementCTPCentre34 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2022Every severe thunderstorm warning in 2022

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.