Alert archive / Pennsylvania / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 770
The Storm Prediction Center issued this severe thunderstorm watch at Jul 21, 1998, 9:00 PM EDT for 5 counties in New York; 21 counties in Pennsylvania; Hancock County, West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 21, 1998, 9:00 PM EDT (01:00 UTC)
- Expired
- Jul 22, 1998, 3:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 27 counties
Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Blair County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Clarion County, PA, Clearfield County, PA, Crawford County, PA, Elk County, PA, Erie County, PA, Forest County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Venango County, PA, Warren County, PA, Westmoreland County, PA, Hancock County, WV
The radar
The Pittsburgh radar (KPBZ), 102 km from the middle of the area, began a volume at 01:03 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.
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 9:15 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 60 min |
| Jul 21, 9:25 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 60 min |
| Jul 21, 9:30 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 60 min |
| Jul 21, 9:34 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 46 min |
| Jul 21, 9:38 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 62 min |
| Jul 21, 9:40 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 60 min |
| Jul 21, 10:00 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Jefferson | |
| Jul 21, 10:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 58 min |
| Jul 21, 10:28 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 72 min |
| Jul 21, 10:29 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 21 min |
| Jul 21, 10:43 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 57 min |
| Jul 21, 11:42 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 58 min |
| Jul 21, 11:47 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 78 min |
| Jul 22, 12:43 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 47 min |
| Jul 22, 12:49 AM EDT | Severe Thunderstorm Warning | PBZ | Hancock | 41 min |
| Jul 22, 12:54 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 46 min |
| Jul 22, 1:30 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 60 min |
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 11:00 PM EDT | Severe Thunderstorm Watch | SPC | Brooke, Hancock, Marshall, Ohio | 6 hr |
Nearby
Severe Thunderstorm Watches in Pennsylvania, 1998Severe Thunderstorm Watches in New York, 1998Severe Thunderstorm Watches in West Virginia, 1998Every severe thunderstorm watch in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.