Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 191, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 4, 2022, 2:23 PM EDT for Allegheny County, Beaver County, Washington County, Pennsylvania; Hancock County, West Virginia. It was in force for 20 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
- Aug 4, 2022, 2:23 PM EDT (18:23 UTC)
- Expired
- Aug 4, 2022, 2:43 PM EDT
- In force
- 20 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Allegheny County, PA, Beaver County, PA, Washington County, PA, Hancock County, WV
The radar
The Pittsburgh radar (KPBZ), 9 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 299 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
- 729 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1307 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 28 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 Aug 4, 1:16 PM EDT, 1 hour 7 minutes earlier.
Area forecast discussion, Aug 4, 1:16 PM EDT, 1 hour 7 minutes before
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</html>Hazardous weather outlook, Aug 4, 1:18 PM EDT, 1 hour 5 minutes before
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</html>In the hours before
Special weather statement, Aug 4, 9:06 AM EDT, 5 hours 17 minutes before
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</html>Special weather statement, Aug 4, 10:26 AM EDT, 3 hours 57 minutes before
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</html>Local storm report, Aug 4, 2:15 PM EDT, 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 |
|---|---|---|---|---|
| Aug 4, 9:06 AM EDT | Special Weather Statement | PBZ | Allegheny | 24 min |
| Aug 4, 10:26 AM EDT | Special Weather Statement | PBZ | Jefferson | 34 min |
| Aug 4, 1:00 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 45 min |
| Aug 4, 1:24 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 36 min |
| Aug 4, 1:40 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 50 min |
| Aug 4, 1:51 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 24 min |
| Aug 4, 2:42 PM EDT | Special Weather Statement | PBZ | Allegheny | 48 min |
| Aug 4, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 42 min |
| Aug 4, 3:42 PM EDT | Special Weather Statement | PBZ | Jefferson | 33 min |
| Aug 4, 3:55 PM EDT | Special Weather Statement | PBZ | Indiana | 50 min |
| Aug 4, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 16 min |
| Aug 4, 1:18 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 42 min |
| Aug 4, 8:01 AM EDT | Special Weather Statement | PBZ | Hancock | 14 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2022Severe Thunderstorm Warnings in West Virginia, 2022Every severe thunderstorm warning in 2022
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.