Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 134, NWS State College, PA

July 24, 2024Centre County, Clinton County, Lycoming County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 24, 2024, 7:51 PM EDT for Centre County, Clinton County, Lycoming County, Pennsylvania. It was in force for 24 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
Jul 24, 2024, 7:51 PM EDT (23:51 UTC)
Expired
Jul 24, 2024, 8:15 PM EDT
In force
24 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Centre County, PA, Clinton County, PA, Lycoming County, PA

The radar

The State College radar (KCCX), 50 km from the middle of the area, began a volume at 23:50 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, 11.9 hours before the alert went out and 220 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 2024-07-24Temperature 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 2024-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.19395878Sfc1 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
-63 J/kg
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 2:18 PM EDTSpecial Weather StatementCTPWarren12 min
Jul 24, 3:23 PM EDTSpecial Weather StatementCTPLancaster37 min
Jul 24, 3:50 PM EDTSpecial Weather StatementCTPMcKean40 min
Jul 24, 4:23 PM EDTSpecial Weather StatementCTPWarren52 min
Jul 24, 5:16 PM EDTSpecial Weather StatementCTPWarren44 min
Jul 24, 5:17 PM EDTSpecial Weather StatementCTPCameron28 min
Jul 24, 5:55 PM EDTSpecial Weather StatementCTPClearfield35 min
Jul 24, 6:29 PM EDTSpecial Weather StatementCTPClearfield31 min
Jul 24, 6:37 PM EDTSpecial Weather StatementCTPTioga23 min
Jul 24, 6:58 PM EDTSpecial Weather StatementCTPClinton32 min
Jul 24, 7:29 PM EDTSpecial Weather StatementCTPClinton31 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2024Every severe thunderstorm warning in 2024

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.