Alert archive / Virginia / Frederick County / Mesoscale Discussions
Mesoscale Discussions in Frederick County, Virginia, 2020
29 mesoscale discussions in 2020. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.
Frederick County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Mesoscale Discussions
- 29
- Busiest month
- August9 mesoscale discussions
- Busiest day
- January 7, 20202 mesoscale discussions
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 |
|---|---|---|---|
| Jan 7, 8:49 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 7, 12:29 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 26, 2:49 PM EST | Mesoscale Discussion | SPC | 116 min |
| Mar 3, 4:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 2:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 8, 1:52 AM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 8, 3:53 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 13, 10:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| May 29, 12:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 3, 3:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 2:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 4, 4:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 22, 1:58 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 1:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 6, 12:33 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 21, 2:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 22, 10:48 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 1, 4:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 7:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 7, 1:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 12, 1:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 3:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 12:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 25, 3:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 25, 7:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 27, 2:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 3, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Dec 16, 8:38 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 16, 1:57 PM EST | Mesoscale Discussion | SPC | 5 hr |
The busiest days
Days with the most alerts issued, by UTC date.
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.