Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 305, NWS State College, PA

September 1, 2026Columbia County, Lycoming County, Sullivan County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Sep 1, 2026, 7:46 PM EDT for Columbia County, Lycoming County, Sullivan County, Pennsylvania. It was in force for 44 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: Sep 1, 2026, 7:46 PM EDT (23:46 UTC)
Expired: Sep 1, 2026, 8:30 PM EDT
In force: 44 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

Counties Columbia County, PA, Lycoming County, PA, Sullivan County, PA

The radar

The Binghamton radar (KBGM), 117 km from the middle of the area, began a volume at 23:44 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
Sep 1, 4:32 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.8 hours before the alert went out and 249 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: 1018 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 723 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.2

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 Sep 1, 7:37 PM EDT, 9 minutes earlier.

Area forecast discussion, Sep 1, 7:37 PM EDT, 9 minutes before

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Hazardous weather outlook, Sep 1, 6:12 PM EDT, 1 hour 34 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
612 PM EDT Tue Sep 1 2026

PAZ004>006-010>012-017>019-027-028-037-041-042-045-046-049>053-
056>059-063-065-066-022215-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Mifflin-Juniata-Tioga-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-York-Lancaster-
612 PM EDT Tue Sep 1 2026

...SEVERE THUNDERSTORM WATCH 638 IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ024>026-033>036-064-022215-
Cambria-Blair-Huntingdon-Somerset-Bedford-Fulton-Franklin-Adams-
612 PM EDT Tue Sep 1 2026

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Tonight.

Scattered strong to severe thunderstorms with strong winds and heavy
rainfall are possible late today into tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Multiple rounds of strong to severe thunderstorms with strong winds
and heavy rainfall are possible Wednesday and Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

In the hours before

Local storm report, Sep 1, 7:12 PM EDT, 34 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
712 PM EDT Tue Sep 1 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0659 PM     Tstm Wnd Dmg     3 NE Tidioute           41.71N 79.35W
09/01/2026                   Warren             PA   911 Call Center

            Large tree down near the intersection of
            Davey Hill Road and Deerfield Lane.

&&

NPB

Local storm report, Sep 1, 7:18 PM EDT, 28 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
718 PM EDT Tue Sep 1 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0657 PM     Tstm Wnd Dmg     2 N Richland            40.38N 76.27W
09/01/2026                   Lebanon            PA   911 Call Center

            Tree down near the intersection of
            Millardsville Road and East Lincoln Avenue.

&&

NPB

Local storm report, Sep 1, 7:33 PM EDT, 13 minutes before

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Local storm report, Sep 1, 7:34 PM EDT, 12 minutes before

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Local storm report, Sep 1, 7:36 PM EDT, 10 minutes before

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Local storm report, Sep 1, 7:42 PM EDT, 4 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
Sep 1, 4:26 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan	49 min
Sep 1, 4:51 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Tioga	39 min
Sep 1, 5:04 PM EDT	Severe Thunderstorm Warning	CTP	Potter, Tioga	41 min
Sep 1, 5:10 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland	50 min
Sep 1, 5:13 PM EDT	Tornado Warning	CTP	Potter, Tioga	32 min
Sep 1, 5:19 PM EDT	Tornado Warning	CTP	Lycoming, Sullivan, Tioga	26 min
Sep 1, 5:42 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Potter, Tioga	48 min
Sep 1, 5:42 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland	48 min
Sep 1, 5:46 PM EDT	Tornado Warning	CTP	Columbia, Montour, Northumberland	29 min
Sep 1, 5:56 PM EDT	Flash Flood Warning	CTP	Lycoming	3 hr
Sep 1, 6:08 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Northumberland, Schuylkill	52 min
Sep 1, 6:33 PM EDT	Severe Thunderstorm Warning Considerable damage threat	CTP	Lebanon, Schuylkill	57 min
Sep 1, 6:42 PM EDT	Severe Thunderstorm Warning	CTP	Warren	48 min
Sep 1, 6:58 PM EDT	Special Weather Statement	CTP	Columbia, Montour	47 min
Sep 1, 7:07 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	38 min
Sep 1, 7:14 PM EDT	Flash Flood Warning	CTP	Schuylkill	3 hr
Sep 1, 7:27 PM EDT	Severe Thunderstorm Warning	CTP	Elk, McKean, Warren	48 min
Sep 1, 7:27 PM EDT	Tornado Warning	CTP	Sullivan	33 min
Sep 1, 7:31 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	29 min
Sep 1, 7:59 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	16 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.