Alert archive / Iowa / 2017
Weather alerts in Iowa, October 2017
95 weather alerts in October 2017, 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 October 2017. Tap one for its archive.
- Alerts
- 95
- Warnings
- 28
- Watches
- 9
- Advisories
- 18
- Busiest day
- October 14, 201714 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 |
|---|---|---|---|---|
| Oct 2, 2:22 PM CDT | Flash Flood Watch | FSD | Lyon, Osceola, Plymouth, Sioux | 13 hr |
| Oct 2, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 33 min |
| Oct 2, 6:40 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 10 more | 3 hr |
| Oct 2, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 34 min |
| Oct 2, 7:08 PM CDT | Special Weather Statement | DMX | Palo Alto | 52 min |
| Oct 2, 7:13 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 32 min |
| Oct 2, 8:06 PM CDT | Special Weather Statement | DMX | Emmet | 54 min |
| Oct 3, 2:29 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 31 min |
| Oct 4, 9:41 AM CDT | River Flood Warning | FSD | Plymouth, Sioux | 9 days |
| Oct 4, 9:41 AM CDT | River Flood Warning | FSD | Plymouth | 8 days |
| Oct 4, 3:22 PM CDT | Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 60 hr |
| Oct 5, 9:58 AM CDT | River Flood Watch | DMX | Emmet | 7 days |
| Oct 6, 4:07 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 17 more | 23 hr |
| Oct 6, 7:14 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 46 min |
| Oct 6, 10:15 AM CDT | Flash Flood Warning | FSD | Plymouth | 3 hr |
| Oct 6, 12:46 PM CDT | Special Weather Statement | DMX | Calhoun, Pocahontas, Sac | 44 min |
| Oct 6, 3:14 PM CDT | Mesoscale Discussion | SPC | Audubon, Calhoun, Carroll, Cass, Crawford, Fremont and 6 more | 91 min |
| Oct 6, 3:30 PM CDT | River Flood Warning | DMX | Emmet | 14 days |
| Oct 6, 3:56 PM CDT | Flash Flood Watch | FSD | Cherokee, Ida, Plymouth, Woodbury | 11 hr |
| Oct 6, 5:36 PM CDT | Special Weather Statement | DMX | Adair, Polk | 54 min |
| Oct 6, 7:13 PM CDT | Special Weather Statement | DVN | Benton, Delaware | 62 min |
| Oct 6, 8:15 PM CDT | Special Weather Statement | DVN | Benton, Delaware, Dubuque, Jones, Linn | 60 min |
| Oct 6, 8:23 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Dallas, Fremont and 11 more | 97 min |
| Oct 6, 9:28 PM CDT | Special Weather Statement | DVN | Dubuque, Jones, Linn | 62 min |
| Oct 6, 9:54 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Dallas, Fremont and 11 more | 96 min |
| Oct 6, 10:15 PM CDT | Special Weather Statement | OAX | Fremont, Montgomery, Page | 45 min |
| Oct 6, 11:54 PM CDT | Special Weather Statement | DMX | Dallas | 51 min |
| Oct 7, 9:59 AM CDT | River Flood Warning | OAX | Fremont | 3 days |
| Oct 7, 10:25 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 6 days |
| Oct 7, 2:23 PM CDT | Special Weather Statement | DVN | Dubuque, Jackson | 52 min |
| Oct 7, 2:59 PM CDT | Special Weather Statement | DVN | Clinton, Jackson | 61 min |
| Oct 7, 8:22 PM CDT | River Flood Warning | FSD | Clay | 4 days |
| Oct 9, 3:06 AM CDT | Frost Advisory | FSD | Osceola, Sioux | 30 hr |
| Oct 9, 3:06 AM CDT | Freeze Warning | FSD | Lyon | 30 hr |
| Oct 10, 1:24 PM CDT | Frost Advisory | OAX | Harrison, Monona | 21 hr |
| Oct 10, 2:22 PM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 20 hr |
| Oct 10, 11:58 PM CDT | Frost Advisory | DMX | Calhoun, Crawford, Emmet, Kossuth, Palo Alto, Pocahontas and 1 more | 8 hr |
| Oct 11, 9:30 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 3 days |
| Oct 13, 9:47 AM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 43 min |
| Oct 13, 10:10 PM CDT | Dense Fog Advisory | ARX | Howard, Winneshiek | 7 hr |
| Oct 14, 1:03 AM CDT | Special Weather Statement | DVN | Jefferson, Louisa, Washington | 57 min |
| Oct 14, 1:48 AM CDT | Special Weather Statement | DVN | Louisa, Muscatine, Scott | 57 min |
| Oct 14, 3:30 AM CDT | Flash Flood Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 19 hr |
| Oct 14, 4:21 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Fremont, Madison and 8 more | 84 min |
| Oct 14, 5:41 AM CDT | Special Weather Statement | OAX | Page | 49 min |
| Oct 14, 9:02 AM CDT | Special Weather Statement | DVN | Washington | 28 min |
| Oct 14, 9:42 AM CDT | Special Weather Statement | DVN | Louisa, Muscatine, Scott | 48 min |
| Oct 14, 1:44 PM CDT | Special Weather Statement | DVN | Henry | 31 min |
| Oct 14, 3:35 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Des Moines, Henry, Jefferson and 3 more | 2 hr |
| Oct 14, 4:46 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 59 min |
| Oct 14, 5:09 PM CDT | Tornado Watch | SPC | Des Moines, Henry, Lee, Louisa, Muscatine, Scott and 1 more | 8 hr |
| Oct 14, 5:17 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 43 min |
| Oct 14, 5:31 PM CDT | Tornado Warning | DVN | Lee | 44 min |
| Oct 15, 11:11 AM CDT | Frost Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 23 hr |
| Oct 15, 3:27 PM CDT | Frost Advisory | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 20 more | 17 hr |
| Oct 21, 2:16 AM CDT | Special Weather Statement | OAX | Shelby | 29 min |
| Oct 21, 2:32 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 17 min |
| Oct 21, 3:34 AM CDT | Special Weather Statement | OAX | Shelby | 41 min |
| Oct 21, 1:23 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Mills, Montgomery, Page, Ringgold and 1 more | 3 hr |
| Oct 21, 2:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Bremer, Buena Vista and 40 more | 2 hr |
| Oct 21, 4:42 PM CDT | Special Weather Statement | DMX | Adair, Adams, Audubon, Boone, Calhoun, Cass and 14 more | 93 min |
| Oct 21, 4:48 PM CDT | Special Weather Statement | OAX | Page | 27 min |
| Oct 21, 5:38 PM CDT | Mesoscale Discussion | SPC | Appanoose, Decatur, Ringgold, Taylor, Wayne | 67 min |
| Oct 21, 6:08 PM CDT | Special Weather Statement | OAX | Montgomery | 37 min |
| Oct 21, 6:19 PM CDT | Special Weather Statement | DMX | Hancock, Wright | 41 min |
| Oct 21, 6:58 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Worth | 17 min |
| Oct 21, 7:19 PM CDT | Special Weather Statement | DMX | Warren | 26 min |
| Oct 21, 7:37 PM CDT | Special Weather Statement | DMX | Appanoose, Wayne | 23 min |
| Oct 21, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Warren | 24 min |
| Oct 21, 8:05 PM CDT | Special Weather Statement | DMX | Appanoose, Lucas, Monroe | 40 min |
| Oct 21, 8:24 PM CDT | Special Weather Statement | DMX | Marshall, Tama | 36 min |
| Oct 21, 8:46 PM CDT | Special Weather Statement | DMX | Black Hawk, Tama | 44 min |
| Oct 21, 8:55 PM CDT | Special Weather Statement | DMX | Appanoose | 35 min |
| Oct 21, 9:00 PM CDT | Special Weather Statement | DMX | Tama | 45 min |
| Oct 22, 3:08 PM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 28 hr |
| Oct 22, 3:10 PM CDT | Wind Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 35 more | 51 hr |
| Oct 22, 3:21 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 51 hr |
| Oct 23, 11:20 AM CDT | Wind Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Oct 23, 11:44 AM CDT | Wind Advisory | DVN | Benton, Buchanan, Delaware, Dubuque, Jones, Linn | 27 hr |
| Oct 24, 3:17 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 13 hr |
| Oct 25, 3:05 PM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 51 hr |
| Oct 25, 3:22 PM CDT | Freeze Watch | OAX | Harrison, Shelby | 12 hr |
| Oct 25, 3:22 PM CDT | Freeze Watch | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 12 hr |
| Oct 25, 3:22 PM CDT | Wind Advisory | OAX | Harrison, Monona, Pottawattamie, Shelby | 45 hr |
| Oct 26, 3:29 AM CDT | Freeze Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 30 hr |
| Oct 26, 3:33 AM CDT | Winter Weather Advisory | FSD | Clay, Dickinson, Osceola | 25 hr |
| Oct 26, 3:38 PM CDT | Freeze Warning | DMX | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 16 more | 17 hr |
| Oct 26, 3:38 PM CDT | Wind Advisory | DMX | Calhoun, Carroll, Crawford, Emmet, Palo Alto, Pocahontas and 1 more | 26 hr |
| Oct 26, 3:50 PM CDT | Winter Weather Advisory | DMX | Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more | 27 hr |
| Oct 27, 3:39 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Delaware, Dubuque, Henry and 8 more | 28 hr |
| Oct 27, 3:39 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 53 hr |
| Oct 27, 3:45 AM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 30 hr |
| Oct 27, 4:03 AM CDT | Freeze Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 30 hr |
| Oct 27, 4:39 AM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Bremer and 26 more | 29 hr |
| Oct 27, 2:57 PM CDT | Freeze Warning | ARX | Allamakee, Clayton, Fayette, Winneshiek | 42 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 | |
| Severe Thunderstorm Warning | 10 |
| Tornado Warning | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 31 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 7 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| River Flood Watch | 1 |
| Winter | |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 2 |
| Frost Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Montgomery County15
- Fremont County14
- Page County14
- Shelby County14
- Harrison County12
- Mills County12
- Pottawattamie County12
- Taylor County12
- Plymouth County11
- Adair County11
- Adams County11
- Cass County11
- Clay County10
- Emmet County10
- Audubon County10
- Calhoun County10
- Ringgold County10
- Sac County9
- Guthrie County9
- Union County9
- Warren County9
- Buena Vista County8
- Crawford County8
- Palo Alto County8
- Dallas County8
- Madison County8
- Polk County8
- Osceola County7
- Cherokee County7
- Kossuth County7
- Pocahontas County7
- Carroll County7
- Greene County7
- Dubuque County7
- Hancock County7
- Lyon County6
- Sioux County6
- Ida County6
- Woodbury County6
- Dickinson County6
59 more counties
- Monona County6
- Boone County6
- Hamilton County6
- Webster County6
- Benton County6
- Delaware County6
- Jones County6
- Linn County6
- Louisa County6
- Appanoose County6
- Lee County6
- Cerro Gordo County6
- Worth County6
- Wright County6
- O'Brien County5
- Clarke County5
- Story County5
- Marshall County5
- Washington County5
- Muscatine County5
- Scott County5
- Henry County5
- Van Buren County5
- Humboldt County5
- Winnebago County5
- Tama County5
- Decatur County4
- Jackson County4
- Howard County4
- Winneshiek County4
- Jefferson County4
- Buchanan County4
- Wayne County4
- Franklin County4
- Hardin County4
- Jasper County4
- Clinton County3
- Cedar County3
- Iowa County3
- Johnson County3
- Keokuk County3
- Des Moines County3
- Bremer County3
- Butler County3
- Chickasaw County3
- Floyd County3
- Grundy County3
- Lucas County3
- Mitchell County3
- Black Hawk County3
- Allamakee County3
- Clayton County3
- Fayette County3
- Davis County2
- Marion County2
- Monroe County2
- Mahaska County1
- Poweshiek County1
- Wapello County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.