Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 346, NWS State College, PA

September 3, 20264 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Sep 3, 2026, 9:34 AM EDT for 4 counties in Pennsylvania. It was in force for 41 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 3, 2026, 9:34 AM EDT (13:34 UTC)
Expired
Sep 3, 2026, 10:15 AM EDT
In force
41 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
0.0 in
Wind
60.0 mph

Counties Bedford County, PA, Franklin County, PA, Fulton County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 111 km from the middle of the area, began a volume at 13:34 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 1.6 hours before the alert went out and 138 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, Washington/Dulle, VA at 12:00Z on 2026-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 619 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, Washington/Dulle, VA at 12:00Z on 2026-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
619 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
470 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

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 3, 7:35 AM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, Sep 3, 7:35 AM EDT, 1 hour 59 minutes before
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Hazardous weather outlook, Sep 3, 2:59 AM EDT, 6 hours 35 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
259 AM EDT Thu Sep 3 2026

PAZ026>028-035-036-056-057-059-063>066-040700-
Huntingdon-Mifflin-Juniata-Fulton-Franklin-Perry-Dauphin-Lebanon-
Cumberland-Adams-York-Lancaster-
259 AM EDT Thu Sep 3 2026

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING...

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.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

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

   Flood Watch.
   Heat Advisory.

Strong to severe thunderstorms with damaging winds and heavy
rainfall are expected again today through early tonight.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004>006-010>012-017>019-024-025-033-034-037-041-042-045-046-
049>053-058-040700-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Somerset-Bedford-Tioga-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Schuylkill-
259 AM EDT Thu Sep 3 2026

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

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.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

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

   Flood Watch.

Strong to severe thunderstorms with damaging winds and heavy
rainfall are expected once again today through early tonight.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

Lambert

In the hours before

Special weather statement, Sep 3, 6:55 AM EDT, 2 hours 39 minutes before
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Local storm report, Sep 3, 7:21 AM EDT, 2 hours 13 minutes before
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Special weather statement, Sep 3, 8:37 AM EDT, 57 minutes before
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Local storm report, Sep 3, 9:17 AM EDT, 17 minutes before
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Local storm report, Sep 3, 9:22 AM EDT, 12 minutes before
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Local storm report, Sep 3, 9:28 AM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 8:12 PM EDTTornado WarningCTPCentre, Clinton33 min
Sep 2, 8:22 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming, Potter, Tioga38 min
Sep 2, 8:29 PM EDTTornado WarningCTPTioga35 min
Sep 2, 8:39 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming51 min
Sep 2, 8:44 PM EDTTornado WarningCTPCentre, Clinton31 min
Sep 2, 8:50 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter, Tioga55 min
Sep 2, 8:58 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming, Potter47 min
Sep 2, 9:03 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming57 min
Sep 2, 9:24 PM EDTFlash Flood WarningCTPCentre, Clinton, Lycoming3 hr
Sep 2, 9:29 PM EDTSevere Thunderstorm WarningCTPTioga16 min
Sep 2, 9:50 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Lycoming, Union40 min
Sep 2, 9:50 PM EDTSevere Thunderstorm WarningCTPLycoming, Sullivan, Tioga40 min
Sep 2, 10:12 PM EDTFlash Flood WarningCTPCentre, Clinton, Lycoming, Union3 hr
Sep 2, 10:35 PM EDTSevere Thunderstorm WarningCTPWarren40 min
Sep 2, 10:51 PM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland, Snyder, Union39 min
Sep 2, 11:08 PM EDTSpecial Weather StatementCTPClinton37 min
Sep 2, 11:09 PM EDTSevere Thunderstorm WarningCTPElk, McKean, Warren66 min
Sep 2, 11:13 PM EDTSevere Thunderstorm WarningCTPDauphin, Juniata, Mifflin, Northumberland, Perry, Snyder47 min
Sep 2, 11:15 PM EDTTornado WarningCTPElk, McKean, Warren15 min
Sep 2, 11:26 PM EDTFlash Flood WarningCTPNorthumberland, Snyder, Union4 hr
Sep 2, 11:26 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon, Northumberland, Schuylkill, Snyder, Union49 min
Sep 2, 11:40 PM EDTRiver Flood WarningCTPCentre, Clinton16 hr
Sep 2, 11:43 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield, Clinton, Elk, Lycoming, McKean and 2 more41 min
Sep 3, 12:03 AM EDTFlash Flood WarningCTPDauphin, Lebanon, Schuylkill4 hr
Sep 3, 12:10 AM EDTSpecial Weather StatementCTPDauphin, Lancaster, Lebanon, Schuylkill50 min
Sep 3, 12:23 AM EDTSevere Thunderstorm WarningCTPCameron, Centre, Clearfield, Clinton, Elk, Lycoming and 3 more61 min
Sep 3, 12:27 AM EDTAreal Flood WarningCTPCentre, Clinton, Lycoming6 hr
Sep 3, 12:28 AM EDTSpecial Weather StatementCTPMcKean, Warren47 min
Sep 3, 12:50 AM EDTSpecial Weather StatementCTPLancaster, York70 min
Sep 3, 1:09 AM EDTFlash Flood WarningCTPClinton, Lycoming4 hr
Sep 3, 1:11 AM EDTSpecial Weather StatementCTPCameron, Elk, McKean49 min
Sep 3, 1:14 AM EDTAreal Flood WarningCTPCentre, Clinton, Lycoming, Union6 hr
Sep 3, 1:26 AM EDTRiver Flood WarningCTPSnyder, Union15 hr
Sep 3, 1:32 AM EDTSevere Thunderstorm WarningCTPCentre, Huntingdon43 min
Sep 3, 2:12 AM EDTFlash Flood WarningCTPCentre, Clearfield, Huntingdon, Juniata, Mifflin, Perry4 hr
Sep 3, 2:42 AM EDTFlood WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more20 hr
Sep 3, 2:56 AM EDTFlash Flood WarningCTPMcKean, Warren3 hr
Sep 3, 3:23 AM EDTAreal Flood WarningCTPNorthumberland, Snyder, Union3 hr
Sep 3, 3:53 AM EDTAreal Flood WarningCTPDauphin, Lebanon, Schuylkill3 hr
Sep 3, 4:11 AM EDTFlash Flood WarningCTPDauphin, Lancaster, Lebanon4 hr
Sep 3, 5:03 AM EDTAreal Flood WarningCTPClinton, Lycoming117 min
Sep 3, 5:46 AM EDTAreal Flood WarningCTPCentre, Clearfield, Huntingdon, Juniata, Mifflin, Perry2 hr
Sep 3, 5:56 AM EDTAreal Flood WarningCTPMcKean, Warren3 hr
Sep 3, 6:15 AM EDTSpecial Weather StatementCTPWarren45 min
Sep 3, 6:55 AM EDTSpecial Weather StatementCTPCameron, Clearfield, Elk65 min
Sep 3, 8:37 AM EDTSpecial Weather StatementCTPSomerset23 min
Sep 3, 8:55 AM EDTSevere Thunderstorm WarningCTPBedford, Somerset50 min
Sep 3, 7:01 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCambria, Somerset44 min
Sep 3, 7:20 PM EDTSevere Thunderstorm Warning Destructive damage threatCTPCambria, Somerset25 min
Sep 3, 7:21 PM EDTFlash Flood WarningCTPCambria, Somerset3 hr
Sep 3, 7:39 PM EDTTornado WarningCTPBedford, Cambria, Somerset36 min
Sep 3, 7:42 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPBedford, Blair, Cambria, Fulton, Huntingdon, Somerset48 min
Sep 3, 7:54 PM EDTTornado WarningCTPBedford, Blair, Cambria36 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2026Every 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.