Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 352, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Sep 3, 2026, 9:06 PM EDT for Fayette County, Greene County, Washington County, Pennsylvania. It was in force for 24 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, 9:06 PM EDT (01:06 UTC)
- Expired
- Sep 3, 2026, 9:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fayette County, PA, Greene County, PA, Washington County, PA
The radar
The Pittsburgh radar (KPBZ), 62 km from the middle of the area, began a volume at 01:08 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 3, 3:03 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.1 hours before the alert went out and 47 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
- 53 J/kg
- Mixed-layer CIN
- -217 J/kg
- Mixed-layer LCL
- 1296 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
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 Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 3, 7:46 PM EDT, 1 hour 20 minutes earlier.
Area forecast discussion, Sep 3, 7:46 PM EDT, 1 hour 20 minutes before
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</html>Hazardous weather outlook, Sep 3, 3:03 PM EDT, 6 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Pittsburgh PA 303 PM EDT Thu Sep 3 2026 OHZ039>041-048>050-057>059-068-069-PAZ013-014-020>022-029-031- 073>078-WVZ001>004-012-021-509>514-041915- Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH- Muskingum-Guernsey-Belmont-Noble-Monroe-Lawrence-Butler-Beaver- Allegheny-Armstrong-Washington-Greene-Westmoreland- Higher Elevations of Westmoreland-Fayette- Higher Elevations of Fayette-Indiana-Higher Elevations of Indiana- Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-Monongalia- Ridges of Eastern Monongalia and Northwestern Preston-Preston- Eastern Preston-Western Tucker-Eastern Tucker- 303 PM EDT Thu Sep 3 2026 ...SEVERE THUNDERSTORM WATCH 649 IN EFFECT UNTIL 10 PM EDT THIS EVENING... This Hazardous Weather Outlook is for east central Ohio, southwest Pennsylvania, western Pennsylvania, and northern West Virginia. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. Showers and thunderstorms are expected this afternoon and into the evening. Some storms could be severe with damaging wind, large hail, a tornado, and heavy rain all possible threats. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Strong storms are possible Friday afternoon as well with again all hazards possible. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. PAZ007>009-015-016-041915- Mercer-Venango-Forest-Clarion-Jefferson PA- 303 PM EDT Thu Sep 3 2026 ...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...SEVERE THUNDERSTORM WATCH 649 IN EFFECT UNTIL 10 PM EDT THIS EVENING... This Hazardous Weather Outlook is for northwest Pennsylvania and western Pennsylvania. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Severe Thunderstorm Watch. Showers and thunderstorms are expected this afternoon and into the evening. Some storms could be severe with damaging wind, large hail, a tornado, and heavy rain all possible threats. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Strong storms are possible Friday afternoon as well with again all hazards possible. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MLB
In the hours before
Local storm report, Sep 3, 7:46 PM EDT, 1 hour 20 minutes before
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</html>Local storm report, Sep 3, 7:51 PM EDT, 1 hour 15 minutes before
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</html>Local storm report, Sep 3, 7:53 PM EDT, 1 hour 13 minutes before
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</html>Local storm report, Sep 3, 7:54 PM EDT, 1 hour 12 minutes before
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</html>Local storm report, Sep 3, 7:57 PM EDT, 1 hour 9 minutes before
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</html>Local storm report, Sep 3, 7:58 PM EDT, 1 hour 8 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 8:38 PM EDT | River Flood Advisory | PBZ | Allegheny | 7 hr |
| Sep 3, 8:44 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 46 min |
| Sep 3, 9:24 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 66 min |
| Sep 4, 2:40 AM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 3 hr |
| Sep 4, 9:35 AM EDT | Flood Watch | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 7 hr |
| Sep 4, 1:04 PM EDT | Severe Thunderstorm Warning | PBZ | Noble | 41 min |
| Sep 3, 9:09 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Monongalia, Wetzel | 51 min |
| Sep 3, 10:10 PM EDT | Severe Thunderstorm Warning | PBZ | Preston, Tucker | 65 min |
| Sep 3, 10:24 PM EDT | Severe Thunderstorm Warning | PBZ | Preston, Tucker | 21 min |
| Sep 4, 1:28 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Monongalia, Preston, Tucker | 62 min |
| Sep 4, 2:23 PM EDT | Severe Thunderstorm Warning | PBZ | Tucker | 19 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.