Alert archive / South Dakota / 2009
Weather alerts in South Dakota, February 2009
46 weather alerts in February 2009, 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 2009. Tap one for its archive.
- Alerts
- 46
- Warnings
- 13
- Watches
- 5
- Advisories
- 24
- Busiest day
- February 9, 20096 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, 3:59 AM CST | Wind Advisory | ABR | Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more | 7 hr |
| Feb 1, 4:36 AM CST | Wind Advisory | UNR | Butte, Haakon, Harding, Jackson, Lawrence, Meade and 4 more | 12 hr |
| Feb 2, 11:51 AM CST | Wind Chill Advisory | ABR | Brown, Codington, Day, Deuel, Grant, Hamlin and 2 more | 15 hr |
| Feb 2, 3:00 PM CST | Wind Chill Advisory | FSD | Brookings, Moody | 19 hr |
| Feb 6, 2:49 AM CST | Wind Advisory | UNR | Custer, Lawrence, Meade, Pennington | 4 hr |
| Feb 8, 11:02 AM CST | Winter Storm Watch | ABR | Brown, Campbell, Corson, Day, Dewey, Edmunds and 13 more | 27 hr |
| Feb 9, 5:13 AM CST | Winter Storm Warning | UNR | Haakon, Meade, Perkins, Ziebach | 29 hr |
| Feb 9, 5:13 AM CST | Winter Weather Advisory | UNR | Butte, Harding, Lawrence, Meade, Pennington | 24 hr |
| Feb 9, 10:02 AM CST | Winter Storm Warning | ABR | Campbell, Corson, Dewey, Potter, Walworth | 24 hr |
| Feb 9, 2:25 PM CST | Winter Weather Advisory | ABR | Edmunds, Faulk, McPherson | 14 hr |
| Feb 9, 2:58 PM CST | Wind Advisory | FSD | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 8 more | 15 hr |
| Feb 9, 5:52 PM CST | Mesoscale Discussion | SPC | Perkins | 4 hr |
| Feb 9, 7:00 PM CST | Flash Flood Watch | ABR | Stanley | 12 hr |
| Feb 9, 10:12 PM CST | Areal Flood Warning | ABR | Corson, Dewey | 11 hr |
| Feb 10, 4:09 AM CST | Dense Fog Advisory | ABR | Brown, Clark, Codington, Day, Deuel, Grant and 4 more | 3 hr |
| Feb 10, 4:24 AM CST | Winter Weather Advisory | ABR | Campbell, Potter, Walworth | 6 hr |
| Feb 10, 8:55 AM CST | River Flood Warning | UNR | Lyman, Tripp | 71 hr |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Lincoln, Union | 3 days |
| Feb 11, 9:46 AM CST | River Flood Warning | FSD | Union | 3 days |
| Feb 12, 2:19 PM CST | Winter Weather Advisory | UNR | Custer, Fall River, Oglala Lakota | 25 hr |
| Feb 13, 1:42 PM CST | River Flood Warning | UNR | Jones, Lyman, Mellette, Tripp | 67 hr |
| Feb 17, 4:33 AM CST | Dense Fog Advisory | ABR | Brown, Campbell, Clark, Corson, Day, Dewey and 12 more | 5 hr |
| Feb 17, 6:04 AM CST | Dense Fog Advisory | FSD | Beadle, Jerauld | 4 hr |
| Feb 20, 2:32 AM CST | Wind Advisory | ABR | Corson, Dewey, Hughes, Jones, Lyman, Stanley and 1 more | 15 hr |
| Feb 20, 2:54 AM CST | Winter Weather Advisory | ABR | Brown, Campbell, Clark, Codington, Day, Deuel and 10 more | 18 hr |
| Feb 20, 3:23 AM CST | Wind Advisory | UNR | Butte, Haakon, Harding, Jackson, Lawrence, Meade and 3 more | 18 hr |
| Feb 20, 3:59 AM CST | Winter Weather Advisory | FSD | Brookings | 17 hr |
| Feb 24, 2:59 PM CST | Winter Storm Watch | UNR | Butte, Custer, Haakon, Jackson, Lawrence, Meade and 4 more | 22 hr |
| Feb 24, 3:16 PM CST | Winter Storm Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 12 hr |
| Feb 24, 4:11 PM CST | Winter Storm Watch | FSD | Beadle, Brookings, Jerauld, Kingsbury, Lake, Miner and 2 more | 23 hr |
| Feb 25, 3:41 AM CST | Winter Storm Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 40 hr |
| Feb 25, 4:15 AM CST | Winter Storm Warning | FSD | Beadle, Brookings, Jerauld, Kingsbury, Lake, Miner and 2 more | 41 hr |
| Feb 25, 11:07 AM CST | Winter Weather Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 29 hr |
| Feb 25, 12:43 PM CST | Winter Storm Warning | UNR | Butte, Haakon, Harding, Meade, Pennington, Perkins and 1 more | 22 hr |
| Feb 25, 12:43 PM CST | Winter Weather Advisory | UNR | Custer, Jackson, Lawrence, Meade, Mellette, Pennington and 1 more | 22 hr |
| Feb 25, 10:20 PM CST | Mesoscale Discussion | SPC | Beadle, Brown, Buffalo, Butte, Campbell, Clark and 29 more | 6 hr |
| Feb 26, 6:33 AM CST | Mesoscale Discussion | SPC | Brookings, Brown, Clay, Codington, Day, Deuel and 9 more | 5 hr |
| Feb 26, 2:07 PM CST | Winter Weather Advisory | UNR | Bennett, Butte, Haakon, Harding, Jackson, Lawrence and 7 more | 26 hr |
| Feb 26, 3:13 PM CST | Wind Chill Advisory | ABR | Brown, Buffalo, Clark, Codington, Day, Deuel and 10 more | 21 hr |
| Feb 26, 4:04 PM CST | Wind Chill Advisory | FSD | Aurora, Beadle, Brookings, Brule, Davison, Hanson and 6 more | 18 hr |
| Feb 27, 4:19 AM CST | Winter Weather Advisory | FSD | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 7 more | 23 hr |
| Feb 27, 9:09 AM CST | Winter Weather Advisory | ABR | Buffalo, Corson, Dewey, Hughes, Jones, Lyman and 2 more | 9 hr |
| Feb 27, 11:25 AM CST | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 22 more | 4 hr |
| Feb 27, 12:00 PM CST | Winter Storm Warning | ABR | Buffalo, Hughes, Jones, Lyman, Stanley | 8 hr |
| Feb 27, 12:04 PM CST | Winter Storm Warning | UNR | Mellette, Todd, Tripp | 6 hr |
| Feb 27, 12:14 PM CST | Winter Storm Warning | FSD | Aurora, Bon Homme, Brule, Charles Mix, Douglas, Gregory and 1 more | 10 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 | |
| Areal Flood Warning | 1 |
| River Flood Warning | 4 |
| Flash Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 11 |
| Cold | |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County11
- Stanley County11
- Corson County10
- Dewey County10
- Hughes County10
- Meade County10
- Day County10
- Marshall County10
- Campbell County9
- Edmunds County9
- Faulk County9
- Jones County9
- Lyman County9
- McPherson County9
- Potter County9
- Spink County9
- Walworth County9
- Pennington County9
- Grant County9
- Roberts County9
- Buffalo County8
- Hand County8
- Hyde County8
- Sully County8
- Perkins County8
- Codington County8
- Deuel County8
- Hamlin County8
- Butte County7
- Haakon County7
- Lawrence County7
- Mellette County7
- Ziebach County7
- Brookings County7
- Union County7
- Clark County7
- Beadle County7
- Jerauld County7
- Harding County6
- Jackson County6
26 more counties
- Moody County6
- Aurora County6
- Brule County6
- Tripp County6
- Bon Homme County5
- Charles Mix County5
- Clay County5
- Davison County5
- Douglas County5
- Gregory County5
- Hanson County5
- Hutchinson County5
- Turner County5
- Kingsbury County5
- Sanborn County5
- Custer County4
- Lincoln County4
- Yankton County4
- Lake County4
- Miner County4
- Todd County3
- Minnehaha County2
- Bennett County2
- Fall River County1
- Oglala Lakota County1
- McCook County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.