Alert archive / Virginia / Fairfax County / 2021
Weather alerts in Fairfax County, Virginia, August 2021
61 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 61
- Warnings
- 36
- Watches
- 11
- Advisories
- 3
- Busiest day
- August 10, 20219 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 |
|---|---|---|---|
| Aug 10, 1:33 PM EDT | Excessive Heat Watch | LWX | 37 hr |
| Aug 10, 1:33 PM EDT | Heat Advisory | LWX | 29 hr |
| Aug 10, 2:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 4:15 PM EDT | Severe Thunderstorm Warning | LWX | 31 min |
| Aug 10, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | 41 min |
| Aug 10, 5:08 PM EDT | Severe Thunderstorm Warning | LWX | 18 min |
| Aug 10, 5:12 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Aug 10, 5:41 PM EDT | Severe Thunderstorm Warning | LWX | 35 min |
| Aug 10, 5:53 PM EDT | Severe Thunderstorm Warning | LWX | 29 min |
| Aug 11, 1:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 11, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 11, 3:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 11, 4:20 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Aug 12, 2:15 AM EDT | Heat Advisory | LWX | 18 hr |
| Aug 12, 6:04 PM EDT | Heat Advisory | LWX | 25 hr |
| Aug 13, 12:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 13, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 13, 4:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Aug 13, 4:46 PM EDT | Severe Thunderstorm Warning | LWX | 29 min |
| Aug 13, 4:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 13, 5:11 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Aug 13, 5:56 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Aug 14, 1:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 6:14 PM EDT | Flash Flood Watch | LWX | 10 hr |
| Aug 15, 12:13 AM EDT | Flash Flood Warning | LWX | 3 hr |
| Aug 15, 12:42 AM EDT | Flash Flood Warning | LWX | 2 hr |
| Aug 15, 3:09 AM EDT | Areal Flood Warning | LWX | 2 hr |
| Aug 15, 3:23 AM EDT | Areal Flood Warning | LWX | 2 hr |
| Aug 15, 5:47 PM EDT | Flash Flood Watch | LWX | 18 hr |
| Aug 16, 5:24 PM EDT | Flash Flood Warning | LWX | 2 hr |
| Aug 16, 11:32 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Aug 17, 2:17 AM EDT | Areal Flood Warning | LWX | 4 hr |
| Aug 17, 1:54 PM EDT | Flash Flood Watch | LWX | 27 hr |
| Aug 18, 10:58 AM EDT | Mesoscale Discussion | SPC | 92 min |
| Aug 18, 11:37 AM EDT | Tornado Watch | SPC | 11 hr |
| Aug 18, 3:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 18, 4:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 19, 2:11 PM EDT | Flash Flood Watch | LWX | 28 hr |
| Aug 20, 7:18 AM EDT | Areal Flood Warning | LWX | 9 hr |
| Aug 20, 7:35 AM EDT | Areal Flood Warning | LWX | 9 hr |
| Aug 20, 7:52 AM EDT | Flash Flood Warning | LWX | 2 hr |
| Aug 20, 8:16 AM EDT | Flash Flood Warning | LWX | 111 min |
| Aug 21, 1:38 PM EDT | Areal Flood Warning | LWX | 2 hr |
| Aug 22, 4:41 PM EDT | Severe Thunderstorm Warning | LWX | 49 min |
| Aug 25, 7:23 PM EDT | Severe Thunderstorm Warning | LWX | 21 min |
| Aug 26, 3:31 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| Aug 26, 4:03 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Aug 27, 2:56 AM EDT | Flash Flood Watch | LWX | 17 hr |
| Aug 27, 1:41 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 27, 3:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Aug 27, 3:36 PM EDT | Severe Thunderstorm Warning | LWX | 19 min |
| Aug 27, 4:11 PM EDT | Areal Flood Warning | LWX | 3 hr |
| Aug 27, 4:44 PM EDT | Areal Flood Warning | LWX | 3 hr |
| Aug 27, 4:46 PM EDT | Severe Thunderstorm Warning | LWX | 44 min |
| Aug 27, 5:21 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Aug 27, 5:44 PM EDT | Areal Flood Warning | LWX | 2 hr |
| Aug 28, 6:55 PM EDT | Severe Thunderstorm Warning | LWX | 33 min |
| Aug 28, 7:18 PM EDT | Severe Thunderstorm Warning | LWX | 42 min |
| Aug 30, 4:54 AM EDT | Flash Flood Watch | LWX | 62 hr |
| Aug 30, 11:48 AM EDT | Flash Flood Watch | LWX | 6 hr |
| Aug 30, 4:51 PM EDT | Mesoscale Discussion | SPC | 84 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 | 21 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 11 |
| Flooding | |
| Areal Flood Warning | 9 |
| Flash Flood Warning | 6 |
| Flash Flood Watch | 7 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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. Rebuilt daily.