Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 247, NWS State College, PA

August 10, 20264 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 10, 2026, 11:53 AM EDT for 4 counties in Pennsylvania. It was in force for 52 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 10, 2026, 11:53 AM EDT (15:53 UTC)
Expired: Aug 10, 2026, 12:45 PM EDT
In force: 52 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cameron County, PA, Elk County, PA, McKean County, PA, Potter County, PA

The radar

The State College radar (KCCX), 80 km from the middle of the area, began a volume at 15:53 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 10, 9:29 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.9 hours before the alert went out and 151 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: 164 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 10, 6:35 AM EDT, 5 hours 18 minutes earlier.

Area forecast discussion, Aug 10, 6:35 AM EDT, 5 hours 18 minutes before

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Hazardous weather outlook, Aug 10, 9:37 AM EDT, 2 hours 16 minutes before

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In the hours before

Local storm report, Aug 10, 11:25 AM EDT, 28 minutes before

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Local storm report, Aug 10, 11:31 AM EDT, 22 minutes before

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Special weather statement, Aug 10, 11:39 AM EDT, 14 minutes before

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Local storm report, Aug 10, 11:44 AM EDT, 9 minutes before

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Local storm report, Aug 10, 11:48 AM EDT, 5 minutes before

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Local storm report, Aug 10, 11:51 AM EDT, 2 minutes before

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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 10, 6:52 AM EDT	Special Weather Statement	CTP	Huntingdon	38 min
Aug 10, 7:27 AM EDT	Special Weather Statement	CTP	Franklin	33 min
Aug 10, 7:41 AM EDT	Special Weather Statement	CTP	Cumberland, Perry	34 min
Aug 10, 8:08 AM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Perry, York	52 min
Aug 10, 8:51 AM EDT	Severe Thunderstorm Warning	CTP	Adams, Dauphin, Lancaster, York	39 min
Aug 10, 10:13 AM EDT	Special Weather Statement	CTP	Warren	32 min
Aug 10, 10:34 AM EDT	Severe Thunderstorm Warning	CTP	Warren	41 min
Aug 10, 11:14 AM EDT	Severe Thunderstorm Warning	CTP	Elk, McKean, Warren	46 min
Aug 10, 11:35 AM EDT	Flash Flood Warning	CTP	McKean	3 hr
Aug 10, 11:39 AM EDT	Special Weather Statement	CTP	Elk	36 min
Aug 10, 12:32 PM EDT	Special Weather Statement	CTP	Centre, Clinton	58 min
Aug 10, 12:43 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield, Clinton	47 min
Aug 10, 12:53 PM EDT	Special Weather Statement	CTP	Tioga	52 min
Aug 10, 1:13 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	47 min
Aug 10, 1:20 PM EDT	Special Weather Statement	CTP	Clinton	25 min
Aug 10, 1:30 PM EDT	Special Weather Statement	CTP	Lycoming	30 min
Aug 10, 1:35 PM EDT	Special Weather Statement	CTP	Franklin	25 min
Aug 10, 1:55 PM EDT	Special Weather Statement	CTP	Columbia, Montour, Sullivan	50 min
Aug 10, 2:02 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin	43 min
Aug 10, 2:06 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	39 min
Aug 10, 2:43 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin	47 min
Aug 10, 2:45 PM EDT	Severe Thunderstorm Warning	CTP	York	45 min
Aug 10, 2:54 PM EDT	Flash Flood Warning	CTP	Franklin	95 min
Aug 10, 3:10 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	25 min
Aug 10, 3:27 PM EDT	Severe Thunderstorm Warning	CTP	York	48 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2026 Every severe thunderstorm 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.