Weather alerts in Iowa, December 2016

Weather alerts by county

Each county as a circle sized by its count in December 2016. Tap one for its archive.

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
Dec 3, 2:39 PM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 1 more	27 hr
Dec 3, 2:44 PM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 10 more	24 hr
Dec 3, 3:04 PM CST	Winter Weather Advisory	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 2 more	21 hr
Dec 4, 10:27 AM CST	Winter Storm Warning	DVN	Cedar, Clinton, Muscatine, Scott	5 hr
Dec 5, 3:47 AM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	9 hr
Dec 5, 3:53 AM CST	Dense Fog Advisory	DMX	Appanoose, Black Hawk, Bremer, Davis, Decatur, Grundy and 10 more	5 hr
Dec 5, 9:04 AM CST	Dense Fog Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	3 hr
Dec 5, 9:10 AM CST	Dense Fog Advisory	DMX	Appanoose, Davis, Mahaska, Monroe, Poweshiek, Wapello	81 min
Dec 6, 3:36 AM CST	Wind Advisory	FSD	Clay, Dickinson, Lyon, O'Brien, Osceola	17 hr
Dec 6, 6:03 AM CST	Dense Fog Advisory	DVN	Cedar, Clinton, Dubuque, Jackson, Jones, Muscatine and 1 more	5 hr
Dec 9, 11:09 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	58 hr
Dec 9, 11:11 AM CST	Winter Weather Advisory	DMX	Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 24 more	40 hr
Dec 9, 11:13 AM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	54 hr
Dec 9, 11:36 AM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	43 hr
Dec 10, 11:33 AM CST	Winter Storm Warning	DVN	Buchanan, Delaware, Dubuque, Jackson	23 hr
Dec 10, 1:55 PM CST	Winter Storm Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	24 hr
Dec 10, 2:47 PM CST	Winter Storm Warning	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 8 more	14 hr
Dec 12, 2:54 PM CST	Wind Chill Advisory	FSD	Clay, Dickinson, Lyon, O'Brien, Osceola	18 hr
Dec 12, 3:00 PM CST	Wind Chill Advisory	DMX	Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more	18 hr
Dec 14, 3:05 AM CST	Wind Chill Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 6 more	31 hr
Dec 14, 3:30 AM CST	Wind Chill Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	30 hr
Dec 14, 3:30 AM CST	Winter Storm Watch	ARX	Allamakee, Howard, Winneshiek	31 hr
Dec 14, 3:35 AM CST	Wind Chill Advisory	FSD	Clay, Dickinson, O'Brien, Osceola	28 hr
Dec 14, 3:59 AM CST	Wind Chill Advisory	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 14 more	29 hr
Dec 15, 4:02 AM CST	Winter Storm Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	62 hr
Dec 15, 4:22 AM CST	Winter Storm Warning	FSD	Dickinson, Lyon, Osceola	56 hr
Dec 15, 11:34 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	60 hr
Dec 15, 11:35 AM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	48 hr
Dec 15, 11:43 AM CST	Winter Storm Warning	DMX	Cerro Gordo, Emmet, Hancock, Kossuth, Winnebago, Worth	49 hr
Dec 15, 11:43 AM CST	Winter Weather Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 39 more	57 hr
Dec 15, 3:46 PM CST	Winter Weather Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	50 hr
Dec 16, 3:35 AM CST	Wind Chill Warning	OAX	Harrison, Monona, Shelby	55 hr
Dec 16, 3:35 AM CST	Wind Chill Advisory	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	55 hr
Dec 16, 4:02 AM CST	Wind Chill Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	56 hr
Dec 16, 4:33 AM CST	Wind Chill Warning	DMX	Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 27 more	55 hr
Dec 16, 4:33 AM CST	Wind Chill Advisory	DMX	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more	55 hr
Dec 16, 2:59 PM CST	Wind Chill Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	45 hr
Dec 16, 3:37 PM CST	Wind Chill Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 6 more	44 hr
Dec 16, 3:37 PM CST	Wind Chill Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	66 hr
Dec 17, 9:56 AM CST	Wind Chill Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	47 hr
Dec 18, 11:45 AM CST	Wind Chill Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more	11 hr
Dec 18, 12:09 PM CST	Wind Chill Advisory	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 9 more	16 hr
Dec 18, 2:59 PM CST	Wind Chill Advisory	DMX	Hardin, Jasper, Mahaska, Marion, Marshall, Poweshiek and 1 more	13 hr
Dec 20, 8:31 PM CST	Wind Advisory	FSD	Lyon, Osceola, Sioux	21 hr
Dec 22, 2:12 PM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	31 hr
Dec 22, 2:53 PM CST	Winter Weather Advisory	DMX	Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 23 more	27 hr
Dec 22, 3:29 PM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more	30 hr
Dec 23, 3:29 AM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Ida, Woodbury	10 hr
Dec 23, 3:32 AM CST	Winter Weather Advisory	OAX	Harrison, Monona, Pottawattamie, Shelby	9 hr
Dec 23, 3:48 AM CST	Mesoscale Discussion	SPC	Audubon, Boone, Bremer, Buena Vista, Butler, Calhoun and 29 more	6 hr
Dec 24, 12:00 AM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 3 more	14 hr
Dec 24, 1:50 AM CST	Dense Fog Advisory	DMX	Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 33 more	26 hr
Dec 24, 1:54 AM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	11 hr
Dec 24, 3:39 AM CST	Freezing Rain Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	43 hr
Dec 24, 3:46 AM CST	Freezing Rain Advisory	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 6 more	34 hr
Dec 24, 3:51 AM CST	Freezing Rain Advisory	FSD	Clay, Dickinson, Osceola	30 hr
Dec 24, 10:30 AM CST	River Flood Warning	DVN	Lee	24 hr
Dec 24, 2:41 PM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	13 hr
Dec 24, 3:41 PM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	17 hr
Dec 24, 11:26 PM CST	Winter Weather Advisory	FSD	Lyon, O'Brien, Sioux	8 hr
Dec 25, 2:34 PM CST	Wind Advisory	DMX	Black Hawk, Bremer, Butler, Calhoun, Carroll, Cerro Gordo and 17 more	27 hr
Dec 25, 2:50 PM CST	Wind Advisory	OAX	Monona	13 hr
Dec 25, 3:07 PM CST	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	27 hr
Dec 25, 3:27 PM CST	Mesoscale Discussion	SPC	Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more	2 hr
Dec 25, 3:49 PM CST	Wind Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	26 hr
Dec 25, 4:07 PM CST	Special Weather Statement	OAX	Harrison, Monona	38 min
Dec 25, 4:20 PM CST	Special Weather Statement	OAX	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	40 min
Dec 25, 4:42 PM CST	Special Weather Statement	OAX	Crawford	33 min
Dec 25, 4:57 PM CST	Special Weather Statement	OAX	Montgomery, Page, Shelby	33 min
Dec 25, 6:31 PM CST	High Wind Warning	OAX	Monona	5 hr
Dec 25, 6:31 PM CST	Wind Advisory	OAX	Monona	20 hr
Dec 25, 8:48 PM CST	River Flood Warning	DVN	Iowa	6 days
Dec 25, 8:54 PM CST	High Wind Warning	FSD	Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more	18 hr
Dec 25, 8:54 PM CST	Wind Advisory	FSD	Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more	21 hr
Dec 26, 1:11 AM CST	River Flood Watch	DVN	Iowa, Johnson	6 days
Dec 27, 11:05 AM CST	River Flood Warning	DVN	Iowa	5 days
Dec 27, 7:52 PM CST	River Flood Warning	DVN	Louisa	36 hr
Dec 29, 2:48 AM CST	Wind Advisory	ARX	Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and 1 more	14 hr
Dec 29, 3:27 AM CST	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more	14 hr
Dec 29, 3:34 AM CST	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	13 hr
Dec 29, 3:40 AM CST	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	13 hr
Dec 29, 9:09 AM CST	Wind Advisory	OAX	Harrison, Monona, Pottawattamie, Shelby	7 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	2
Special Weather Statement	4
Flooding
River Flood Warning	4
River Flood Watch	1
Winter
Winter Storm Warning	7
Winter Storm Watch	1
Freezing Rain Advisory	3
Winter Weather Advisory	17
Cold
Wind Chill Warning	5
Wind Chill Advisory	13
Wind and dust
High Wind Warning	2
Wind Advisory	13
Fog and smoke
Dense Fog Advisory	10

By county

Every county with at least one alert. A county page lists each alert that covered it.

59 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2015 2017

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. Rebuilt daily.