Alert archive / Pennsylvania / Flash Flood Warnings in 1995
Flash Flood Warning 22, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 11, 1995, 3:02 PM EDT for Lawrence County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 1995, 3:02 PM EDT (19:02 UTC)
- Expired
- Jun 11, 1995, 6:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Lawrence County, PA
The radar
The Pittsburgh radar (KPBZ), 52 km from the middle of the area, began a volume at 19:04 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 12:00Z, 7.0 hours before the alert went out and 68 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
- 67 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 9:13 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jun 10, 9:21 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jun 10, 10:55 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jun 11, 2:41 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Venango | 49 min |
| Jun 11, 3:07 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 68 min |
| Jun 11, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 45 min |
| Jun 11, 3:50 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 40 min |
| Jun 11, 4:05 PM EDT | Flash Flood Warning | PBZ | Clarion | 115 min |
| Jun 11, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 min |
| Jun 11, 4:48 PM EDT | Flash Flood Warning | PBZ | Butler | 2 hr |
| Jun 11, 4:51 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 54 min |
| Jun 11, 5:11 PM EDT | Flash Flood Warning | PBZ | Armstrong | 109 min |
| Jun 11, 2:54 PM EDT | Flash Flood Warning | PBZ | Carroll | 3 hr |
| Jun 11, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 27 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1995Every flash flood warning in 1995
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.