Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 306, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 1, 2026, 7:59 PM EDT for Lancaster County, Pennsylvania. It was in force for 16 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, 7:59 PM EDT (23:59 UTC)
- Expired
- Sep 1, 2026, 8:15 PM EDT
- In force
- 16 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Lancaster County, PA
The radar
The Dover AFB radar (KDOX), 152 km from the middle of the area, began a volume at 00:05 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 12.0 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.
- Mixed-layer CAPE
- 270 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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, 22 minutes earlier.
Area forecast discussion, Sep 1, 7:37 PM EDT, 22 minutes before
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</html>Hazardous weather outlook, Sep 1, 6:12 PM EDT, 1 hour 47 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, 7:33 PM EDT, 26 minutes before
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</html>Local storm report, Sep 1, 7:34 PM EDT, 25 minutes before
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</html>Local storm report, Sep 1, 7:36 PM EDT, 23 minutes before
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</html>Local storm report, Sep 1, 7:42 PM EDT, 17 minutes before
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</html>Local storm report, Sep 1, 7:51 PM EDT, 8 minutes before
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</html>Local storm report, Sep 1, 7:53 PM EDT, 6 minutes before
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</html>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 | 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, 7:46 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 44 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.