Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 53, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Apr 19, 2025, 1:54 PM EDT for 4 counties in Pennsylvania. It was in force for 22 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
- Apr 19, 2025, 1:54 PM EDT (17:54 UTC)
- Expired
- Apr 19, 2025, 2:16 PM EDT
- In force
- 22 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Armstrong County, PA, Clarion County, PA, Indiana County, PA, Jefferson County, PA
The radar
The Pittsburgh radar (KPBZ), 94 km from the middle of the area, began a volume at 17:56 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.9 hours before the alert went out and 225 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
- 5 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 276 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 19, 11:19 AM EDT, 2 hours 35 minutes earlier.
Area forecast discussion, Apr 19, 11:19 AM EDT, 2 hours 35 minutes before
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</html>Hazardous weather outlook, Apr 19, 10:39 AM EDT, 3 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Pittsburgh PA 1039 AM EDT Sat Apr 19 2025 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>022-029- 031-073>078-WVZ001>004-012-021-509>513-201445- Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH- Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest- Lawrence-Butler-Clarion-Jefferson PA-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- 1039 AM EDT Sat Apr 19 2025 This Hazardous Weather Outlook is for east central Ohio, western Pennsylvania, and northern West Virginia. .DAY ONE...Today and tonight. A cold front will approach and cross the region this afternoon. Showers and thunderstorms are expected along and ahead of the front. There is a Marginal Risk, or level 1 out of 5, for severe storms this afternoon and early evening. The main hazard is expected to be damaging wind, though large hail will also be possible. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. WVZ514-201445- Eastern Tucker- 1039 AM EDT Sat Apr 19 2025 This Hazardous Weather Outlook is for northern West Virginia. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. SKH
In the hours before
Local storm report, Apr 19, 1:52 PM EDT, 2 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 |
|---|---|---|---|---|
| Apr 19, 1:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 41 min |
| Apr 19, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 39 min |
| Apr 19, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 22 min |
| Apr 19, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 31 min |
| Apr 19, 6:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Indiana, Westmoreland | 22 min |
| Apr 19, 7:39 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 44 min |
| Apr 19, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe, Noble | 39 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2025Every severe thunderstorm warning in 2025
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.