Alert archive / South Dakota / Fall River County / Mesoscale Discussions
Mesoscale Discussions in Fall River County, South Dakota, 2021
33 mesoscale discussions in 2021. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.
Fall River County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Mesoscale Discussions
- 33
- Busiest month
- July9 mesoscale discussions
- Busiest day
- March 14, 20213 mesoscale discussions
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 10, 12:12 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Mar 14, 1:55 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Mar 14, 11:40 AM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 14, 5:20 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| May 13, 1:38 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 20, 12:58 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 21, 9:04 PM MDT | Mesoscale Discussion | SPC | 86 min |
| May 23, 10:53 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 1:57 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 5:25 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 7, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jun 8, 6:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 10, 2:51 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 7:28 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jun 10, 10:07 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 13, 1:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 14, 1:24 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 19, 3:58 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 5, 12:34 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 7, 2:11 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 7:15 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 2:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 13, 7:35 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 13, 10:30 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jul 16, 2:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 16, 6:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 17, 2:40 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 14, 12:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 26, 6:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 1:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Sep 3, 2:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Dec 9, 8:49 PM MST | Mesoscale Discussion | SPC | 5 hr |
| Dec 10, 1:39 AM MST | Mesoscale Discussion | SPC | 4 hr |
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.