Alert archive / Virginia / Fairfax County / 2020
Weather alerts in Fairfax County, Virginia, September 2020
18 weather alerts in September 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 18
- Warnings
- 12
- Watches
- 3
- Advisories
- 0
- Busiest day
- September 3, 20209 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Sep 2, 3:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Sep 2, 6:43 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 7:06 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Sep 2, 8:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Sep 3, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 3, 3:42 PM EDT | Tornado Watch | SPC | 6 hr |
| Sep 3, 4:07 PM EDT | Severe Thunderstorm Warning | LWX | 38 min |
| Sep 3, 4:36 PM EDT | Severe Thunderstorm Warning | LWX | 54 min |
| Sep 3, 5:14 PM EDT | Areal Flood Warning | LWX | 6 hr |
| Sep 3, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | 63 min |
| Sep 3, 6:25 PM EDT | Severe Thunderstorm Warning | LWX | 50 min |
| Sep 3, 7:10 PM EDT | Areal Flood Warning | LWX | 2 hr |
| Sep 3, 11:07 PM EDT | Areal Flood Warning | LWX | 25 min |
| Sep 9, 2:15 PM EDT | Flash Flood Watch | LWX | 30 hr |
| Sep 10, 12:03 AM EDT | Areal Flood Warning | LWX | 3 hr |
| Sep 10, 2:09 AM EDT | Areal Flood Warning | LWX | 83 min |
| Sep 10, 1:28 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Sep 10, 4:14 PM EDT | Areal Flood Warning | LWX | 9 hr |
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 | 5 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.