Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 170, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 29, 1995, 6:49 PM EDT for Allegheny County, Beaver County, Butler County, Pennsylvania. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1995, 6:49 PM EDT (22:49 UTC)
- Expired
- Jun 29, 1995, 7:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Allegheny County, PA, Beaver County, PA, Butler County, PA
The radar
The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 22:49 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, 10.8 hours before the alert went out and 31 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
- 264 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 859 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 152 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.
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.
In the hours before
Special weather statement, Jun 29, 6:23 PM EDT, 26 minutes before
OHZ039>041-048>050-057>059-068-069-300000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 625 PM EDT THU JUN 29 1995 SEVERE THUNDERSTORM WATCH NUMBER 674 HAS BEEN CANCELLED FOR EAST CEhNTRAL OHIO. ALL STORMS HAVE MOVED EAST OF OHIO.
Special weather statement, Jun 29, 6:25 PM EDT, 24 minutes before
OHZ039>041-048>050-057>059-068-069-300000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 625 PM EDT THU JUN 29 1995 SEVERE THUNDERSTORM WATCH NUMBER 674 HAS BEEN CANCELLED FOR EAST CENTRAL OHIO. ALL STORMS HAVE MOVED EAST OF OHIO. /
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 5:52 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 68 min |
| Jun 29, 5:57 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jun 29, 6:16 PM EDT | Flash Flood Warning | PBZ | Mercer | 59 min |
| Jun 29, 6:28 PM EDT | Flash Flood Warning | PBZ | Beaver, Washington | 62 min |
| Jun 29, 6:49 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Butler | 56 min |
| Jun 29, 7:46 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 59 min |
| Jun 29, 3:37 PM EDT | Flash Flood Warning | PBZ | Tuscarawas | 3 hr |
| Jun 29, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 62 min |
| Jun 29, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 68 min |
| Jun 29, 6:04 PM EDT | Flash Flood Warning | PBZ | Columbiana | 56 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm 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.