Alert archive / South Dakota / 2011
Weather alerts in South Dakota, February 2011
64 weather alerts in February 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in February 2011. Tap one for its archive.
- Alerts
- 64
- Warnings
- 21
- Watches
- 5
- Advisories
- 34
- Busiest day
- February 19, 20118 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 1, 3:00 AM CST | Wind Chill Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 33 hr |
| Feb 1, 5:09 AM CST | Wind Chill Advisory | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 16 hr |
| Feb 1, 3:54 PM CST | Wind Chill Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 19 hr |
| Feb 2, 4:10 AM CST | Wind Chill Advisory | UNR | Custer, Fall River, Lawrence, Meade, Pennington | 7 hr |
| Feb 2, 2:58 PM CST | Wind Chill Advisory | FSD | Beadle, Brookings, Clay, Hanson, Kingsbury, Lake and 8 more | 15 hr |
| Feb 4, 3:12 PM CST | Winter Storm Warning | UNR | Lawrence, Meade, Pennington | 48 hr |
| Feb 4, 3:12 PM CST | Winter Weather Advisory | UNR | Butte, Custer, Haakon, Harding, Lawrence, Meade and 3 more | 48 hr |
| Feb 4, 3:36 PM CST | Winter Weather Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 28 hr |
| Feb 5, 10:26 AM CST | Freezing Rain Advisory | FSD | Lincoln, McCook, Minnehaha, Turner | 106 min |
| Feb 6, 3:39 PM CST | Winter Weather Advisory | UNR | Custer, Fall River, Lawrence, Meade, Oglala Lakota, Pennington | 30 hr |
| Feb 7, 3:42 AM CST | Wind Chill Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 18 more | 32 hr |
| Feb 7, 3:48 AM CST | Wind Chill Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 32 hr |
| Feb 7, 3:39 PM CST | Wind Chill Advisory | UNR | Butte, Harding, Meade, Perkins, Tripp, Ziebach | 19 hr |
| Feb 8, 3:55 AM CST | Wind Chill Warning | ABR | Brown, Campbell, Clark, Codington, Corson, Day and 10 more | 8 hr |
| Feb 8, 2:37 PM CST | Wind Chill Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 21 hr |
| Feb 8, 3:41 PM CST | Wind Chill Advisory | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 19 hr |
| Feb 8, 4:16 PM CST | Wind Chill Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 19 hr |
| Feb 8, 4:16 PM CST | Winter Weather Advisory | ABR | Grant, McPherson, Roberts | 12 hr |
| Feb 10, 3:22 AM CST | Wind Chill Advisory | ABR | Brown, Clark, Codington, Day, Deuel, Grant and 4 more | 6 hr |
| Feb 12, 12:07 PM CST | High Wind Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 17 more | 16 hr |
| Feb 12, 12:10 PM CST | High Wind Watch | UNR | Butte, Harding, Meade, Perkins, Ziebach | 15 hr |
| Feb 12, 2:41 PM CST | Wind Advisory | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 14 more | 36 hr |
| Feb 12, 4:05 PM CST | Wind Advisory | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Lawrence and 6 more | 28 hr |
| Feb 13, 3:16 AM CST | High Wind Warning | UNR | Butte, Haakon, Harding, Meade, Pennington, Perkins and 1 more | 17 hr |
| Feb 13, 4:01 AM CST | High Wind Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 17 hr |
| Feb 13, 4:01 AM CST | Wind Advisory | ABR | Buffalo, Hughes, Jones, Lyman, Stanley | 11 hr |
| Feb 13, 9:07 PM CST | Wind Advisory | ABR | Brown, Buffalo, Clark, Codington, Day, Deuel and 10 more | 3 hr |
| Feb 14, 1:32 PM CST | Areal Flood Advisory | UNR | 27 hr | |
| Feb 15, 4:03 PM CST | Areal Flood Advisory | UNR | Bennett, Jackson | 48 hr |
| Feb 16, 4:39 AM CST | Wind Advisory | UNR | Custer, Lawrence, Meade, Pennington | 24 hr |
| Feb 16, 3:39 PM CST | Wind Advisory | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 26 hr |
| Feb 16, 5:55 PM CST | Dense Fog Advisory | FSD | Brookings, Clay, Lake, Lincoln, Minnehaha, Moody and 2 more | 16 hr |
| Feb 16, 10:12 PM CST | High Wind Warning | UNR | Lawrence | 7 hr |
| Feb 16, 10:47 PM CST | River Flood Warning | UNR | Lyman, Tripp | 23 hr |
| Feb 17, 4:06 AM CST | Wind Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 15 hr |
| Feb 17, 7:20 AM CST | River Flood Warning | UNR | Jones, Mellette | 60 hr |
| Feb 17, 10:35 AM CST | Wind Advisory | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 8 more | 10 hr |
| Feb 18, 3:49 AM CST | Winter Storm Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 24 hr |
| Feb 18, 4:18 AM CST | Winter Storm Watch | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 35 hr |
| Feb 18, 8:58 AM CST | River Flood Warning | FSD | Minnehaha | 49 hr |
| Feb 18, 1:31 PM CST | River Flood Warning | FSD | Lincoln, Union | 45 hr |
| Feb 18, 1:31 PM CST | River Flood Warning | FSD | Union | 4 days |
| Feb 18, 2:56 PM CST | Winter Storm Watch | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 13 hr |
| Feb 19, 3:29 AM CST | Winter Storm Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 11 hr |
| Feb 19, 3:35 AM CST | Winter Storm Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 44 hr |
| Feb 19, 4:07 AM CST | Winter Storm Warning | FSD | Aurora, Beadle, Brookings, Brule, Davison, Hanson and 11 more | 41 hr |
| Feb 19, 2:48 PM CST | Blizzard Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 37 hr |
| Feb 19, 2:56 PM CST | Blizzard Warning | UNR | Mellette, Todd, Tripp | 24 hr |
| Feb 19, 3:37 PM CST | Blizzard Warning | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 9 more | 30 hr |
| Feb 19, 3:37 PM CST | Ice Storm Warning | FSD | Bon Homme, Clay, Union, Yankton | 24 hr |
| Feb 19, 5:58 PM CST | Mesoscale Discussion | SPC | Butte, Harding | 4 hr |
| Feb 19, 11:25 PM CST | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brookings, Brule, Buffalo, Charles Mix and 20 more | 5 hr |
| Feb 20, 4:36 AM CST | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Buffalo, Clark, Codington and 29 more | 4 hr |
| Feb 20, 9:17 AM CST | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Buffalo, Campbell, Clark and 28 more | 4 hr |
| Feb 20, 3:19 PM CST | Winter Weather Advisory | UNR | Butte, Jackson, Lawrence, Meade, Mellette, Pennington and 2 more | 9 hr |
| Feb 20, 3:25 PM CST | Winter Weather Advisory | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 14 more | 12 hr |
| Feb 22, 3:44 PM CST | River Flood Warning | UNR | Lyman, Tripp | 11 days |
| Feb 23, 5:31 AM CST | Dense Fog Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Day and 12 more | 5 hr |
| Feb 23, 2:20 PM CST | Winter Weather Advisory | ABR | Buffalo, Campbell, Corson, Dewey, Edmunds, Faulk and 10 more | 5 hr |
| Feb 23, 2:57 PM CST | Winter Weather Advisory | ABR | Dewey, Hughes, Jones, Lyman, Stanley, Sully | 32 hr |
| Feb 23, 3:26 PM CST | Winter Weather Advisory | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 8 more | 38 hr |
| Feb 24, 8:09 AM CST | Winter Storm Warning | UNR | Bennett, Custer, Haakon, Jackson, Oglala Lakota, Pennington | 13 hr |
| Feb 24, 3:48 PM CST | Wind Chill Advisory | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 13 hr |
| Feb 25, 5:01 AM CST | Winter Weather Advisory | UNR | Custer, Fall River, Oglala Lakota, Pennington | 24 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 4 |
| Flooding | |
| River Flood Warning | 6 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 3 |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 3 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 10 |
| Cold | |
| Wind Chill Warning | 3 |
| Wind Chill Advisory | 11 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Wind Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Meade County20
- Pennington County19
- Buffalo County17
- Lyman County17
- Clark County16
- Codington County16
- Day County16
- Edmunds County16
- Faulk County16
- Hamlin County16
- Hughes County16
- McPherson County16
- Spink County16
- Lawrence County16
- Brown County15
- Grant County15
- Hand County15
- Hyde County15
- Marshall County15
- Roberts County15
- Sully County15
- Walworth County15
- Custer County15
- Tripp County15
- Campbell County14
- Deuel County14
- Dewey County14
- Jones County14
- Potter County14
- Butte County14
- Haakon County14
- Mellette County14
- Ziebach County14
- Corson County13
- Stanley County13
- Jackson County13
- Fall River County12
- Harding County12
- Oglala Lakota County12
- Perkins County12
26 more counties
- Todd County12
- Brookings County12
- Kingsbury County12
- Lake County12
- Bennett County11
- Beadle County11
- Lincoln County11
- Miner County11
- Minnehaha County11
- Moody County11
- Sanborn County11
- Hanson County10
- McCook County10
- Turner County10
- Aurora County10
- Brule County10
- Davison County10
- Jerauld County10
- Union County8
- Charles Mix County8
- Douglas County8
- Gregory County8
- Clay County7
- Hutchinson County7
- Bon Homme County5
- Yankton County5
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.