Alert archive / South Dakota / Mesoscale Discussions
Mesoscale Discussions in South Dakota, 2012
142 mesoscale discussions in 2012. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Mesoscale Discussions
- 142
- Busiest month
- June36 mesoscale discussions
- Busiest day
- May 5, 20126 mesoscale discussions
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:18 AM CST | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Union | 5 hr |
| Feb 28, 11:43 AM CST | Mesoscale Discussion | SPC | Beadle, Brookings, Buffalo, Clark, Codington, Day and 13 more | 5 hr |
| Feb 28, 2:43 PM CST | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Day, Dewey, Edmunds and 20 more | 5 hr |
| Feb 28, 8:41 PM CST | Mesoscale Discussion | SPC | Brown, Day, Grant, McPherson, Marshall, Roberts | 6 hr |
| Mar 19, 1:34 PM CDT | Mesoscale Discussion | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Minnehaha and 1 more | 116 min |
| Mar 26, 3:56 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 2 hr |
| Mar 26, 9:17 PM CDT | Mesoscale Discussion | SPC | Aurora, Brule, Buffalo, Campbell, Charles Mix, Corson and 19 more | 118 min |
| Mar 26, 11:38 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Brule, Buffalo, Campbell, Edmunds and 6 more | 2 hr |
| Apr 6, 1:11 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence, Pennington | 64 min |
| Apr 14, 7:51 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 12 more | 84 min |
| Apr 15, 12:25 PM CDT | Mesoscale Discussion | SPC | Brookings, Clark, Codington, Davison, Deuel, Grant and 10 more | 65 min |
| Apr 15, 1:18 PM CDT | Mesoscale Discussion | SPC | Clay | 87 min |
| Apr 24, 5:44 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Walworth | 61 min |
| May 1, 2:30 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Brookings, Charles Mix, Clay, Codington, Davison and 17 more | 60 min |
| May 1, 6:11 PM CDT | Mesoscale Discussion | SPC | Brookings, Hanson, Hutchinson, Lake, Lincoln, McCook and 4 more | 94 min |
| May 2, 3:34 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Moody, Turner, Union and 1 more | 86 min |
| May 2, 7:20 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Day, Dewey, Edmunds and 11 more | 55 min |
| May 2, 10:43 PM CDT | Mesoscale Discussion | SPC | Clay, Union | 62 min |
| May 2, 11:06 PM CDT | Mesoscale Discussion | SPC | Codington, Day, Grant, Roberts | 24 min |
| May 4, 6:49 AM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 11 more | 116 min |
| May 4, 1:50 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Hutchinson, Lincoln, Minnehaha, Turner and 2 more | 25 min |
| May 4, 3:52 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hanson and 7 more | 53 min |
| May 4, 9:54 PM CDT | Mesoscale Discussion | SPC | Union | 96 min |
| May 5, 3:06 AM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Haakon, Hughes, Hyde, Jackson and 9 more | 84 min |
| May 5, 9:50 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Davison and 13 more | 55 min |
| May 5, 2:09 PM CDT | Mesoscale Discussion | SPC | Union | 96 min |
| May 5, 3:52 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Union, Yankton | 83 min |
| May 5, 6:21 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 15 more | 84 min |
| May 5, 9:51 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Grant, Hamlin, Lake, Moody | 84 min |
| May 5, 11:31 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Douglas, Hanson, Hutchinson, Lincoln and 4 more | 89 min |
| May 10, 4:48 PM CDT | Mesoscale Discussion | SPC | Corson, Perkins, Ziebach | 87 min |
| May 18, 3:54 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Haakon, Jackson, Jones and 3 more | 96 min |
| May 18, 7:22 PM CDT | Mesoscale Discussion | SPC | Brule, Buffalo, Hand, Hughes, Hyde, Jackson and 5 more | 2 hr |
| May 19, 12:51 AM CDT | Mesoscale Discussion | SPC | Beadle, Brule, Buffalo, Edmunds, Faulk, Hand and 12 more | 84 min |
| May 22, 2:59 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Brule, Buffalo, Campbell, Corson and 21 more | 91 min |
| May 22, 6:11 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Perkins | 94 min |
| May 22, 7:30 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Brule, Buffalo, Campbell, Edmunds and 16 more | 90 min |
| May 22, 8:41 PM CDT | Mesoscale Discussion | SPC | Marshall, Roberts | 64 min |
| May 23, 2:04 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Grant, Hamlin, Lake, McCook and 3 more | 86 min |
| May 23, 2:56 PM CDT | Mesoscale Discussion | SPC | Union | 94 min |
| May 23, 8:56 PM CDT | Mesoscale Discussion | SPC | Lincoln, Union | 94 min |
| May 26, 1:58 AM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 15 more | 92 min |
| May 26, 5:43 AM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Clark, Codington, Day and 17 more | 92 min |
| May 26, 9:07 PM CDT | Mesoscale Discussion | SPC | Bennett, Brule, Buffalo, Hughes, Jackson, Jerauld and 5 more | 53 min |
| May 26, 11:57 PM CDT | Mesoscale Discussion | SPC | Marshall | 93 min |
| May 27, 2:58 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Union | 62 min |
| May 27, 6:55 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Turner, Union, Yankton | 2 hr |
| Jun 1, 3:04 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brown, Brule, Buffalo, Campbell and 23 more | 86 min |
| Jun 6, 3:39 PM CDT | Mesoscale Discussion | SPC | Corson, Dewey, Stanley | 2 hr |
| Jun 7, 5:27 PM CDT | Mesoscale Discussion | SPC | Dewey, Haakon, Jackson, Oglala Lakota, Stanley, Ziebach | 63 min |
| Jun 9, 3:53 PM CDT | Mesoscale Discussion | SPC | Campbell, Edmunds, Faulk, McPherson, Potter, Walworth | 97 min |
| Jun 9, 10:08 PM CDT | Mesoscale Discussion | SPC | Bennett, Brown, Buffalo, Campbell, Edmunds, Faulk and 17 more | 67 min |
| Jun 10, 12:45 AM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Day, Edmunds, Faulk, Hand and 7 more | 60 min |
| Jun 12, 2:23 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington | 67 min |
| Jun 13, 2:28 PM CDT | Mesoscale Discussion | SPC | Butte, Corson, Dewey, Haakon, Harding, Jackson and 5 more | 62 min |
| Jun 13, 5:38 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Buffalo, Charles Mix, Davison and 8 more | 97 min |
| Jun 13, 9:34 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Dewey, Edmunds, McPherson and 3 more | 86 min |
| Jun 14, 3:01 AM CDT | Mesoscale Discussion | SPC | Brown, Day, Edmunds, McPherson, Marshall, Roberts | 89 min |
| Jun 14, 1:44 PM CDT | Mesoscale Discussion | SPC | Lincoln | 2 hr |
| Jun 15, 4:59 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 7 more | 91 min |
| Jun 17, 2:15 PM CDT | Mesoscale Discussion | SPC | Brown, Codington, Day, Deuel, Grant, Hamlin and 2 more | 2 hr |
| Jun 17, 5:52 PM CDT | Mesoscale Discussion | SPC | Codington, Day, Deuel, Grant, Marshall, Roberts | 83 min |
| Jun 18, 9:11 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 20 more | 94 min |
| Jun 18, 11:59 PM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Clark, Codington, Day and 12 more | 91 min |
| Jun 19, 2:39 AM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Buffalo, Clark, Codington and 18 more | 66 min |
| Jun 19, 4:56 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Charles Mix, Clark and 15 more | 94 min |
| Jun 19, 8:50 PM CDT | Mesoscale Discussion | SPC | Bennett, Fall River, Jackson, Mellette, Oglala Lakota, Todd and 1 more | 85 min |
| Jun 19, 9:12 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Grant, Hamlin, Kingsbury, Lake and 3 more | 93 min |
| Jun 19, 11:59 PM CDT | Mesoscale Discussion | SPC | Bennett | 91 min |
| Jun 20, 4:00 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 10 more | 60 min |
| Jun 22, 6:02 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 10 more | 118 min |
| Jun 22, 9:36 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Haakon, Jackson, Jones and 7 more | 84 min |
| Jun 22, 11:43 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Gregory, Haakon, Jackson and 8 more | 92 min |
| Jun 23, 1:18 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 27 more | 87 min |
| Jun 24, 6:36 PM CDT | Mesoscale Discussion | SPC | Fall River, Lawrence | 84 min |
| Jun 25, 3:09 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence | 2 hr |
| Jun 25, 6:26 PM CDT | Mesoscale Discussion | SPC | Custer, Lawrence | 94 min |
| Jun 25, 8:37 PM CDT | Mesoscale Discussion | SPC | Bennett, Corson, Dewey, Haakon, Hughes, Jackson and 11 more | 83 min |
| Jun 25, 11:38 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Clark, Edmunds, Faulk, Hand and 4 more | 67 min |
| Jun 26, 3:06 PM CDT | Mesoscale Discussion | SPC | Butte, Corson, Harding, Meade, Pennington, Perkins and 1 more | 54 min |
| Jun 29, 7:59 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 37 more | 91 min |
| Jun 29, 5:35 PM CDT | Mesoscale Discussion | SPC | Lake, Lincoln, Minnehaha, Moody | 55 min |
| Jun 30, 3:53 PM CDT | Mesoscale Discussion | SPC | Bennett, Corson, Custer, Dewey, Fall River, Haakon and 14 more | 97 min |
| Jun 30, 7:19 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Fall River, Haakon, Jackson and 4 more | 86 min |
| Jul 1, 7:35 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more | 115 min |
| Jul 5, 3:40 PM CDT | Mesoscale Discussion | SPC | Lawrence | 95 min |
| Jul 5, 5:52 PM CDT | Mesoscale Discussion | SPC | Clay, Union, Yankton | 53 min |
| Jul 5, 6:37 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Pennington, Perkins | 53 min |
| Jul 5, 9:52 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 2 more | 53 min |
| Jul 6, 6:02 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Brookings, Hanson, Hutchinson, Lake, McCook and 4 more | 28 min |
| Jul 12, 2:17 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Clark, Codington, Day, Deuel and 10 more | 88 min |
| Jul 16, 3:07 PM CDT | Mesoscale Discussion | SPC | Butte, Campbell, Corson, Dewey, Edmunds, Harding and 7 more | 113 min |
| Jul 16, 6:53 PM CDT | Mesoscale Discussion | SPC | Butte, Campbell, Corson, Dewey, Harding, Perkins and 3 more | 67 min |
| Jul 16, 9:40 PM CDT | Mesoscale Discussion | SPC | Butte, Campbell, Corson, Dewey, Harding, Lawrence and 5 more | 65 min |
| Jul 17, 1:44 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence | 61 min |
| Jul 19, 1:56 PM CDT | Mesoscale Discussion | SPC | Grant, Marshall, Roberts | 64 min |
| Jul 19, 5:42 PM CDT | Mesoscale Discussion | SPC | Brule, Charles Mix, Gregory, Lyman, Mellette, Todd and 1 more | 63 min |
| Jul 20, 4:21 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Dewey, Fall River, Haakon, Jackson and 8 more | 84 min |
| Jul 20, 7:00 PM CDT | Mesoscale Discussion | SPC | Custer, Haakon, Lawrence, Meade, Pennington | 90 min |
| Jul 21, 2:54 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Meade, Pennington | 96 min |
| Jul 21, 5:25 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Perkins | 65 min |
| Jul 21, 9:27 PM CDT | Mesoscale Discussion | SPC | Corson, Dewey, Haakon, Harding, Meade, Pennington and 2 more | 63 min |
| Jul 21, 10:51 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 24 more | 54 min |
| Jul 22, 4:38 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Clark, Codington, Day, Dewey and 9 more | 97 min |
| Jul 22, 8:13 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Codington, Corson, Day, Dewey and 9 more | 62 min |
| Jul 22, 10:58 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Bon Homme, Brookings, Brule and 29 more | 107 min |
| Jul 23, 6:31 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Dewey, Haakon, Harding, Hughes and 12 more | 89 min |
| Jul 24, 5:42 PM CDT | Mesoscale Discussion | SPC | Butte, Corson, Dewey, Haakon, Harding, Lawrence and 8 more | 93 min |
| Jul 24, 11:24 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Clark, Codington, Day, Edmunds and 8 more | 96 min |
| Jul 25, 5:24 AM CDT | Mesoscale Discussion | SPC | Day, Marshall, Roberts | 66 min |
| Jul 25, 1:56 PM CDT | Mesoscale Discussion | SPC | Brown, Clark, Codington, Day, Edmunds, Faulk and 5 more | 2 hr |
| Jul 25, 2:52 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Hutchinson, Turner, Union, Yankton | 113 min |
| Jul 27, 3:27 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Pennington | 3 hr |
| Jul 27, 7:52 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 5 more | 83 min |
| Jul 29, 3:50 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, McPherson, Marshall, Walworth | 115 min |
| Jul 29, 5:49 PM CDT | Mesoscale Discussion | SPC | Brown, Clark, Codington, Day, Edmunds, Faulk and 4 more | 86 min |
| Aug 1, 2:53 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Brule, Buffalo, Charles Mix and 20 more | 67 min |
| Aug 1, 4:14 PM CDT | Mesoscale Discussion | SPC | Grant | 91 min |
| Aug 1, 7:35 PM CDT | Mesoscale Discussion | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Kingsbury and 3 more | 55 min |
| Aug 1, 8:19 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Union, Yankton | 56 min |
| Aug 2, 2:44 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Perkins | 31 min |
| Aug 2, 7:10 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Perkins | 95 min |
| Aug 3, 1:02 AM CDT | Mesoscale Discussion | SPC | Gregory | 88 min |
| Aug 3, 1:31 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Dewey, Edmunds, Faulk, Haakon and 10 more | 59 min |
| Aug 3, 6:19 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 33 more | 86 min |
| Aug 15, 2:56 PM CDT | Mesoscale Discussion | SPC | Brookings, Clay, Codington, Deuel, Grant, Hamlin and 11 more | 64 min |
| Aug 15, 5:49 PM CDT | Mesoscale Discussion | SPC | Grant | 86 min |
| Aug 22, 3:48 PM CDT | Mesoscale Discussion | SPC | Bennett, Brule, Gregory, Jackson, Jones, Lyman and 3 more | 117 min |
| Aug 24, 7:52 PM CDT | Mesoscale Discussion | SPC | Campbell, Edmunds, McPherson, Walworth | 53 min |
| Aug 27, 3:11 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Jackson, Jones, Meade, Mellette and 5 more | 94 min |
| Aug 28, 1:27 AM CDT | Mesoscale Discussion | SPC | Brown, Day, Grant, McPherson, Marshall, Roberts | 3 hr |
| Aug 29, 2:53 PM CDT | Mesoscale Discussion | SPC | Corson, Dewey, Haakon, Perkins, Stanley, Ziebach | 97 min |
| Sep 2, 3:49 PM CDT | Mesoscale Discussion | SPC | Brookings, Clay, Codington, Day, Deuel, Grant and 12 more | 56 min |
| Sep 3, 3:24 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 9 more | 96 min |
| Sep 3, 7:18 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Charles Mix, Davison, Douglas and 5 more | 87 min |
| Sep 4, 7:27 PM CDT | Mesoscale Discussion | SPC | Clay, Lake, Lincoln, McCook, Minnehaha, Moody and 2 more | 63 min |
| Nov 9, 6:17 PM CST | Mesoscale Discussion | SPC | Harding | 4 hr |
| Nov 10, 12:11 PM CST | Mesoscale Discussion | SPC | Corson, Custer, Dewey, Fall River, Haakon, Jackson and 5 more | 4 hr |
| Nov 10, 5:10 PM CST | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Brown, Brule, Buffalo and 35 more | 5 hr |
| Dec 8, 1:43 PM CST | Mesoscale Discussion | SPC | Aurora, Beadle, Brown, Campbell, Clark, Codington and 15 more | 4 hr |
| Dec 8, 5:58 PM CST | Mesoscale Discussion | SPC | Day, Deuel, Grant, Marshall, Roberts | 4 hr |
| Dec 15, 4:26 AM CST | Mesoscale Discussion | SPC | Clark, Day, Grant, Hand, Roberts, Spink | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grant County31
- Edmunds County30
- Jackson County30
- Jones County30
- Mellette County29
- Stanley County29
- Walworth County29
- Roberts County28
- Spink County28
- Brown County28
- Haakon County28
- Codington County27
- Day County27
- Hand County27
- Lyman County27
- McPherson County27
- Marshall County27
- Meade County27
- Jerauld County26
- Lake County26
- Moody County26
- Dewey County26
- Faulk County26
- Lawrence County26
- Brule County26
- Minnehaha County25
- Beadle County25
- Hamlin County25
- Potter County25
- Pennington County25
- Todd County25
- Campbell County24
- Hyde County24
- Tripp County24
- Lincoln County23
- Brookings County23
- Buffalo County23
- Deuel County23
- Miner County23
- Hughes County23
26 more counties
- Perkins County23
- Ziebach County23
- Bennett County23
- Douglas County23
- Hanson County23
- Turner County23
- Yankton County23
- Clay County22
- Union County22
- Corson County22
- Sully County22
- Butte County22
- Aurora County22
- Charles Mix County22
- Gregory County22
- Davison County22
- Clark County21
- Kingsbury County21
- Sanborn County21
- Hutchinson County21
- Harding County20
- Oglala Lakota County20
- McCook County20
- Custer County18
- Fall River County17
- Bon Homme County17
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe 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.