Alert archive / Virginia / Loudoun County / 2012
Weather alerts in Loudoun County, Virginia, September 2012
30 weather alerts in September 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 30
- Warnings
- 11
- Watches
- 3
- Advisories
- 0
- Busiest day
- September 18, 201213 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 4, 1:01 AM EDT | Special Weather Statement | LWX | 44 min |
| Sep 8, 11:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Sep 8, 12:15 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 8, 1:49 PM EDT | Special Weather Statement | LWX | 26 min |
| Sep 8, 2:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Sep 8, 2:19 PM EDT | Special Weather Statement | LWX | 26 min |
| Sep 8, 2:47 PM EDT | Severe Thunderstorm Warning | LWX | 58 min |
| Sep 8, 3:22 PM EDT | Severe Thunderstorm Warning | LWX | 68 min |
| Sep 18, 8:49 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 18, 10:54 AM EDT | Tornado Watch | SPC | 9 hr |
| Sep 18, 11:13 AM EDT | Severe Thunderstorm Warning | LWX | 47 min |
| Sep 18, 11:19 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Sep 18, 12:29 PM EDT | Severe Thunderstorm Warning | LWX | 61 min |
| Sep 18, 12:59 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Sep 18, 1:06 PM EDT | Special Weather Statement | LWX | 54 min |
| Sep 18, 1:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Sep 18, 1:31 PM EDT | Special Weather Statement | LWX | 29 min |
| Sep 18, 1:54 PM EDT | Severe Thunderstorm Warning | LWX | 66 min |
| Sep 18, 2:18 PM EDT | Severe Thunderstorm Warning | LWX | 57 min |
| Sep 18, 2:38 PM EDT | Severe Thunderstorm Warning | LWX | 52 min |
| Sep 18, 3:53 PM EDT | Areal Flood Warning | LWX | 20 hr |
| Sep 22, 3:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 27, 3:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 27, 6:13 PM EDT | Special Weather Statement | LWX | 32 min |
| Sep 27, 6:16 PM EDT | Mesoscale Discussion | SPC | 29 min |
| Sep 27, 6:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 27, 6:38 PM EDT | Severe Thunderstorm Warning | LWX | 52 min |
| Sep 27, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | 37 min |
| Sep 27, 7:53 PM EDT | Special Weather Statement | LWX | 22 min |
| Sep 27, 8:57 PM EDT | Mesoscale Discussion | SPC | 63 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 | 9 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 7 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.