Alert archive / Pennsylvania / Jefferson County
Weather alerts in Jefferson County, Pennsylvania, 1990
17 weather alerts in 1990, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 1990. Tap one for its archive.
- Alerts
- 17
- Warnings
- 17
- Watches
- 0
- Advisories
- 0
- Busiest month
- July8 alerts
- Busiest day
- July 1, 19902 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 16, 6:37 PM EST | Severe Thunderstorm Warning | PBZ | 53 min |
| Jun 15, 4:00 AM EDT | Flash Flood Warning | PBZ | 2 hr |
| Jun 29, 6:45 PM EDT | Severe Thunderstorm Warning | PBZ | 75 min |
| Jun 30, 7:56 PM EDT | Flash Flood Warning | PBZ | 64 min |
| Jun 30, 8:59 PM EDT | Flash Flood Warning | PBZ | 61 min |
| Jun 30, 9:54 PM EDT | Flash Flood Warning | PBZ | 66 min |
| Jul 9, 12:54 PM EDT | Flash Flood Warning | PBZ | 2 hr |
| Jul 9, 12:54 PM EDT | Severe Thunderstorm Warning | PBZ | 2 hr |
| Jul 10, 1:50 PM EDT | Flash Flood Warning | PBZ | 93 min |
| Jul 12, 10:35 AM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jul 12, 12:40 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jul 12, 8:00 PM EDT | Flash Flood Warning | PBZ | 4 hr |
| Aug 28, 2:46 AM EDT | Severe Thunderstorm Warning | PBZ | 59 min |
| Aug 28, 8:16 PM EDT | Severe Thunderstorm Warning | PBZ | 59 min |
| Sep 6, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | 77 min |
| Sep 6, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | 78 min |
| Sep 14, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | 55 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 8 |
| Flooding | |
| Flash Flood Warning | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19891991
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.