Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 151, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 24, 2010, 8:11 PM EDT for 6 counties in Pennsylvania. It was in force for 64 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
- Jul 24, 2010, 8:11 PM EDT (00:11 UTC)
- Expired
- Jul 24, 2010, 9:15 PM EDT
- In force
- 64 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Armstrong County, PA, Butler County, PA, Clarion County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA
The radar
The Pittsburgh radar (KPBZ), 70 km from the middle of the area, began a volume at 00:12 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 |
|---|---|---|---|
| Jul 24, 6:10 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.2 hours before the alert went out and 318 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
- 1790 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1888 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 5.2
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 Jul 24, 7:47 PM EDT, 24 minutes earlier.
Area forecast discussion, Jul 24, 7:47 PM EDT, 24 minutes before
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Special weather statement, Jul 24, 7:04 PM EDT, 1 hour 7 minutes before
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</html>Special weather statement, Jul 24, 7:06 PM EDT, 1 hour 5 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 |
|---|---|---|---|---|
| Jul 24, 8:14 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 46 min |
| Jul 24, 8:33 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 57 min |
| Jul 24, 8:41 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Indiana, Jefferson | 64 min |
| Jul 24, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 55 min |
| Jul 24, 9:01 PM EDT | Areal Flood Advisory | PBZ | Beaver, Butler, Lawrence | 3 hr |
| Jul 25, 10:12 AM EDT | Special Weather Statement | PBZ | Forest | 33 min |
| Jul 25, 10:47 AM EDT | Special Weather Statement | PBZ | Westmoreland | 58 min |
| Jul 25, 11:05 AM EDT | Special Weather Statement | PBZ | Greene | 55 min |
| Jul 25, 11:13 AM EDT | Special Weather Statement | PBZ | Westmoreland | 47 min |
| Jul 25, 11:54 AM EDT | Special Weather Statement | PBZ | Fayette | 66 min |
| Jul 25, 11:59 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 31 min |
| Jul 25, 12:08 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 52 min |
| Jul 25, 12:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 78 min |
| Jul 25, 12:29 PM EDT | Tornado Warning | PBZ | Fayette | 31 min |
| Jul 25, 4:20 PM EDT | Special Weather Statement | PBZ | Fayette, Greene | 55 min |
| Jul 24, 9:11 PM EDT | Special Weather Statement | PBZ | Carroll, Harrison, Tuscarawas | 64 min |
| Jul 24, 10:39 PM EDT | Special Weather Statement | PBZ | Carroll, Coshocton, Tuscarawas | 66 min |
| Jul 24, 10:59 PM EDT | Areal Flood Advisory | PBZ | Tuscarawas | 3 hr |
| Jul 25, 10:19 AM EDT | Special Weather Statement | PBZ | Belmont, Guernsey, Monroe, Noble | 41 min |
| Jul 25, 4:31 PM EDT | Special Weather Statement | PBZ | Guernsey | 59 min |
| Jul 25, 1:20 PM EDT | Severe Thunderstorm Warning | PBZ | Preston, Tucker | 55 min |
| Jul 25, 4:52 PM EDT | Special Weather Statement | PBZ | Monongalia | 23 min |
| Jul 25, 5:17 PM EDT | Special Weather Statement | PBZ | Monongalia, Preston | 58 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2010Every severe thunderstorm warning in 2010
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.