Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 167, NWS State College, PA

August 31, 20245 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 31, 2024, 12:40 PM EDT for 5 counties in Pennsylvania. It was in force for 50 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 31, 2024, 12:40 PM EDT (16:40 UTC)
Expired: Aug 31, 2024, 1:30 PM EDT
In force: 50 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Blair County, PA, Cambria County, PA, Centre County, PA, Clearfield County, PA, Huntingdon County, PA

The radar

The State College radar (KCCX), 37 km from the middle of the area, began a volume at 16:43 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 12:00Z, 4.7 hours before the alert went out and 157 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 446 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 1142 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 31, 12:22 PM EDT, 18 minutes earlier.

Area forecast discussion, Aug 31, 12:22 PM EDT, 18 minutes before

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Hazardous weather outlook, Aug 31, 4:13 AM EDT, 8 hours 27 minutes before

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In the hours before

Special weather statement, Aug 31, 10:15 AM EDT, 2 hours 25 minutes before

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Special weather statement, Aug 31, 11:58 AM EDT, 42 minutes before

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Special weather statement, Aug 31, 12:27 PM EDT, 13 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 10:15 AM EDT	Special Weather Statement	CTP	Elk	45 min
Aug 31, 11:58 AM EDT	Special Weather Statement	CTP	Cambria	47 min
Aug 31, 12:27 PM EDT	Special Weather Statement	CTP	Blair, Cambria, Clearfield	33 min
Aug 31, 1:11 PM EDT	Special Weather Statement	CTP	Centre	49 min
Aug 31, 1:34 PM EDT	Special Weather Statement	CTP	Cambria	26 min
Aug 31, 1:37 PM EDT	Special Weather Statement	CTP	Mifflin	23 min
Aug 31, 2:30 PM EDT	Special Weather Statement	CTP	Somerset	30 min
Aug 31, 2:34 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	41 min
Aug 31, 2:41 PM EDT	Special Weather Statement	CTP	Cambria	34 min
Aug 31, 2:49 PM EDT	Areal Flood Advisory	CTP	Bedford, Somerset	2 hr
Aug 31, 3:03 PM EDT	Special Weather Statement	CTP	Somerset	27 min
Aug 31, 3:12 PM EDT	Special Weather Statement	CTP	Bedford	33 min
Aug 31, 3:17 PM EDT	Areal Flood Advisory	CTP	Bedford, Somerset	2 hr
Aug 31, 3:23 PM EDT	Areal Flood Advisory	CTP	Cambria, Somerset	82 min
Aug 31, 3:28 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	62 min
Aug 31, 3:33 PM EDT	Flash Flood Warning	CTP	Bedford, Cambria, Somerset	2 hr
Aug 31, 3:58 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton	77 min
Aug 31, 4:45 PM EDT	Areal Flood Advisory	CTP	Cambria, Somerset	75 min
Aug 31, 5:45 PM EDT	Areal Flood Warning	CTP	Cambria, Somerset	90 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2024 Every 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.