Alert archive / Pennsylvania / Flash Flood Warnings in 2022
Flash Flood Warning 28, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Sep 5, 2022, 1:10 AM EDT for Venango County, Pennsylvania. It was in force for 76 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 5, 2022, 1:10 AM EDT (05:10 UTC)
- Expired
- Sep 5, 2022, 2:26 AM EDT
- In force
- 76 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
County Venango County, PA
The radar
The Pittsburgh radar (KPBZ), 104 km from the middle of the area, began a volume at 05:13 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
Pittsburgh, PA (KPIT), launched 00:00Z, 5.2 hours before the alert went out and 114 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
- 533 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Sep 5, 12:54 AM EDT, 16 minutes earlier.
Area forecast discussion, Sep 5, 12:54 AM EDT, 16 minutes before
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</html>Hazardous weather outlook, Sep 4, 3:55 AM EDT, 21 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Pittsburgh PA 355 AM EDT Sun Sep 4 2022 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-029- 031-073>076-WVZ001>004-012-021-509>514-050800- Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH- Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest- Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny-Armstrong- Indiana-Washington-Greene-Westmoreland- Higher Elevations of Westmoreland-Fayette- Higher Elevations of Fayette-Hancock-Brooke-Ohio-Marshall-Wetzel- Marion-Monongalia- Ridges of Eastern Monongalia and Northwestern Preston-Preston- Eastern Preston-Western Tucker-Eastern Tucker- 355 AM EDT Sun Sep 4 2022 This Hazardous Weather Outlook is for east central Ohio, western Pennsylvania, and northern West Virginia. .DAY ONE...Today and tonight. Thunderstorms today may produce heavy rain which could lead to localized flooding. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Thunderstorms on Monday could produce heavy rain which could lead to localized flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Sep 4, 11:52 PM EDT, 1 hour 18 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 4, 8:39 PM EDT | Areal Flood Advisory | PBZ | Mercer | 3 hr |
| Sep 4, 10:17 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Sep 4, 10:50 PM EDT | Flash Flood Warning | PBZ | Venango | 2 hr |
| Sep 5, 12:39 AM EDT | Areal Flood Advisory | PBZ | Venango | 32 min |
| Sep 5, 3:04 AM EDT | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 20 hr |
| Sep 5, 7:07 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Washington | 2 hr |
| Sep 5, 9:11 AM EDT | Areal Flood Advisory | PBZ | Carroll, Harrison, Tuscarawas | 3 hr |
| Sep 5, 9:33 AM EDT | Flash Flood Warning | PBZ | Carroll, Harrison, Tuscarawas | 3 hr |
| Sep 5, 5:31 PM EDT | Areal Flood Advisory | PBZ | Harrison, Jefferson | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2022Every flash flood 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.