Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 80, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 28, 1999, 9:43 AM EDT for Lawrence County, Mercer County, Pennsylvania. It was in force for 58 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 28, 1999, 9:43 AM EDT (13:43 UTC)
- Expired
- Jul 28, 1999, 10:41 AM EDT
- In force
- 58 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Lawrence County, PA, Mercer County, PA
The radar
The Pittsburgh radar (KPBZ), 69 km from the middle of the area, began a volume at 13:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 28, 10:09 AM EDT | Thunderstorm Wind 61 | Sharon, PA | A spotter estimated thunderstorm winds to 70 MPH. |
| Jul 28, 10:10 AM EDT | Thunderstorm Wind | Countywide, PA | Thunderstorm winds downed numerous trees and power lines across the county, producing widespread power outages. |
| Jul 28, 10:30 AM EDT | Thunderstorm Wind | Mercer, PA | Thunderstorm winds downed several trees. |
| Jul 28, 10:38 AM EDT | Hail 0.88 | New Castle, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 |
|---|---|---|---|---|
| Jul 28, 10:36 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 54 min |
| Jul 28, 10:40 AM EDT | Flash Flood Warning | PBZ | Mercer | 2 hr |
| Jul 28, 10:46 AM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Jul 28, 10:47 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 58 min |
| Jul 28, 10:55 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 65 min |
| Jul 28, 11:30 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 60 min |
| Jul 28, 11:55 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 50 min |
| Jul 28, 12:17 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 58 min |
| Jul 28, 12:21 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 54 min |
| Jul 28, 12:21 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 54 min |
| Jul 28, 12:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 51 min |
| Jul 28, 12:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jul 28, 12:28 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 28, 12:34 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 2 hr |
| Jul 28, 1:03 PM EDT | Flash Flood Warning | PBZ | Lawrence | 4 hr |
| Jul 28, 1:11 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 64 min |
| Jul 28, 10:18 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 57 min |
| Jul 28, 10:44 AM EDT | Severe Thunderstorm Warning | PBZ | Guernsey, Tuscarawas | 61 min |
| Jul 28, 11:35 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Muskingum | 70 min |
| Jul 28, 11:44 AM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 61 min |
| Jul 28, 11:58 AM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 62 min |
| Jul 28, 11:59 AM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 61 min |
| Jul 28, 12:11 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe | 64 min |
| Jul 28, 12:17 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 58 min |
| Jul 28, 12:33 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 42 min |
| Jul 28, 1:00 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison | 45 min |
| Jul 28, 1:34 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe | 56 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.