Alert archive / Iowa / 2019

Weather alerts in Iowa, December 2019

38 weather alerts in December 2019, 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 December 2019. Tap one for its archive.

Alerts: 38
Warnings: 5
Watches: 1
Advisories: 24
Busiest day: December 9, 201911 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
Dec 8, 12:21 PM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more	15 hr
Dec 8, 2:24 PM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	28 hr
Dec 8, 5:30 PM CST	Dense Fog Advisory	FSD	Dickinson, Lyon, Osceola	10 hr
Dec 8, 5:44 PM CST	Dense Fog Advisory	DMX	Appanoose, Clarke, Davis, Decatur, Emmet, Hancock and 16 more	14 hr
Dec 9, 2:02 AM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Delaware, Dubuque, Iowa and 6 more	7 hr
Dec 9, 3:26 AM CST	Winter Weather Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	10 hr
Dec 9, 6:19 AM CST	Special Weather Statement	OAX	Monona	26 min
Dec 9, 6:57 AM CST	Special Weather Statement	OAX	Harrison, Monona	63 min
Dec 9, 7:03 AM CST	Special Weather Statement	DMX	Calhoun, Carroll, Crawford, Emmet, Greene, Hancock and 7 more	117 min
Dec 9, 7:50 AM CST	Special Weather Statement	OAX	Harrison, Mills, Pottawattamie, Shelby	85 min
Dec 9, 8:43 AM CST	Special Weather Statement	OAX	Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby	92 min
Dec 9, 11:18 AM CST	Mesoscale Discussion	SPC	Allamakee, Buchanan, Clayton, Delaware, Fayette, Winneshiek	4 hr
Dec 9, 11:31 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more	4 hr
Dec 9, 12:07 PM CST	Snow Squall Warning	DVN	Benton, Buchanan, Cedar, Delaware, Dubuque, Iowa and 5 more	53 min
Dec 9, 12:57 PM CST	Snow Squall Warning	DVN	Cedar, Clinton, Delaware, Dubuque, Henry, Jackson and 8 more	48 min
Dec 13, 6:38 AM CST	Special Weather Statement	OAX	Harrison, Monona, Pottawattamie, Shelby	112 min
Dec 13, 9:07 AM CST	Dense Fog Advisory	FSD	Lyon	7 hr
Dec 14, 3:26 AM CST	Winter Weather Advisory	OAX	Fremont, Page	38 hr
Dec 15, 2:14 PM CST	Winter Weather Advisory	DVN	Des Moines, Lee	12 hr
Dec 16, 9:14 AM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Ida, Plymouth, Woodbury	3 hr
Dec 16, 11:29 PM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	10 hr
Dec 17, 1:48 AM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	4 hr
Dec 24, 3:27 AM CST	Dense Fog Advisory	DVN	Dubuque, Jackson	7 hr
Dec 24, 2:24 PM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 3 more	34 hr
Dec 24, 3:06 PM CST	Dense Fog Advisory	DMX	Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Palo Alto and 4 more	38 hr
Dec 25, 4:54 AM CST	Winter Weather Advisory	FSD	Lyon	22 hr
Dec 25, 2:38 PM CST	Dense Fog Advisory	ARX	Mitchell	18 hr
Dec 27, 2:56 PM CST	Winter Weather Advisory	DMX	Emmet, Palo Alto	18 hr
Dec 27, 3:18 PM CST	Winter Weather Advisory	FSD	Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more	3 days
Dec 28, 3:41 AM CST	Winter Weather Advisory	FSD	O'Brien, Plymouth, Sioux, Woodbury	68 hr
Dec 28, 9:33 AM CST	Flood Watch	OAX	Harrison, Monona	10 hr
Dec 28, 9:46 AM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	10 hr
Dec 28, 10:10 AM CST	River Flood Warning	FSD	Plymouth, Sioux	4 days
Dec 28, 10:10 AM CST	River Flood Warning	FSD	Clay, Dickinson	5 days
Dec 28, 10:10 AM CST	River Flood Warning	FSD	Clay	4 days
Dec 29, 3:54 AM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	44 hr
Dec 29, 1:49 PM CST	Winter Weather Advisory	DMX	Cerro Gordo, Emmet, Hancock, Kossuth, Winnebago, Worth	34 hr
Dec 30, 6:24 AM CST	Special Weather Statement	DVN	Dubuque	111 min

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	1
Special Weather Statement	7
Flooding
River Flood Warning	3
Flood Watch	1
Winter
Snow Squall Warning	2
Winter Weather Advisory	11
Fog and smoke
Dense Fog Advisory	13

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 2018 2020

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.