Alert archive / Iowa / 2012

Weather alerts in Iowa, April 2012

171 weather alerts in April 2012, 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 April 2012. Tap one for its archive.

Alerts: 171
Warnings: 90
Watches: 19
Advisories: 35
Busiest day: April 15, 201251 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
Mar 31, 8:52 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 20 more	53 min
Mar 31, 9:09 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jones, Linn	66 min
Mar 31, 9:12 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Jones, Linn	63 min
Mar 31, 9:24 PM CDT	Severe Thunderstorm Watch	SPC	Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 6 more	9 hr
Mar 31, 9:39 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jones, Scott	66 min
Mar 31, 10:17 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Scott	58 min
Mar 31, 11:51 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	54 min
Apr 1, 1:33 AM CDT	Mesoscale Discussion	SPC	Clinton, Jackson, Scott	117 min
Apr 1, 3:22 AM CDT	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 3 more	7 hr
Apr 1, 3:42 AM CDT	Dense Fog Advisory	DMX	Calhoun, Carroll, Crawford, Emmet, Humboldt, Kossuth and 4 more	4 hr
Apr 1, 7:56 AM CDT	Mesoscale Discussion	SPC	Clinton, Jackson, Scott	2 hr
Apr 1, 4:25 PM CDT	Red Flag Warning	FSD		4 hr
Apr 4, 3:42 AM CDT	Freeze Watch	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	35 hr
Apr 4, 3:40 PM CDT	Freeze Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 8 more	24 hr
Apr 4, 3:49 PM CDT	Freeze Watch	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 6 more	23 hr
Apr 5, 3:39 AM CDT	Freeze Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	28 hr
Apr 5, 3:00 PM CDT	Frost Advisory	DMX	Emmet, Hamilton, Hardin, Humboldt, Jasper, Kossuth and 5 more	16 hr
Apr 5, 3:00 PM CDT	Freeze Warning	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 4 more	17 hr
Apr 5, 3:25 PM CDT	Frost Advisory	DVN	Des Moines, Henry, Iowa, Keokuk, Washington	17 hr
Apr 5, 3:25 PM CDT	Freeze Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	17 hr
Apr 7, 3:15 AM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	16 hr
Apr 7, 3:23 AM CDT	Red Flag Warning	FSD		16 hr
Apr 7, 2:44 PM CDT	Fire Weather Watch	FSD		12 hr
Apr 7, 3:41 PM CDT	Frost Advisory	DMX	Adair, Adams, Audubon, Calhoun, Carroll, Cass and 11 more	12 hr
Apr 8, 3:07 AM CDT	Red Flag Warning	FSD		17 hr
Apr 8, 1:59 PM CDT	Fire Weather Watch	FSD		14 hr
Apr 8, 2:05 PM CDT	Freeze Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	14 hr
Apr 8, 3:08 PM CDT	Freeze Watch	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	24 hr
Apr 8, 3:14 PM CDT	Freeze Watch	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	24 hr
Apr 8, 3:17 PM CDT	Freeze Watch	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	12 hr
Apr 8, 3:29 PM CDT	Freeze Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 13 more	22 hr
Apr 9, 3:24 AM CDT	Freeze Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	31 hr
Apr 9, 3:26 AM CDT	Freeze Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more	29 hr
Apr 9, 3:36 AM CDT	Red Flag Warning	FSD		16 hr
Apr 9, 3:38 AM CDT	Freeze Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	29 hr
Apr 9, 3:49 AM CDT	Red Flag Warning	DMX	Emmet, Humboldt, Kossuth, Palo Alto, Pocahontas, Sac	15 hr
Apr 9, 3:51 AM CDT	Freeze Warning	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	29 hr
Apr 9, 4:05 AM CDT	Freeze Warning	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	29 hr
Apr 9, 7:41 PM CDT	Freeze Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	37 hr
Apr 9, 8:56 PM CDT	Freeze Warning	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	36 hr
Apr 10, 3:37 AM CDT	Freeze Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	28 hr
Apr 10, 3:56 AM CDT	Freeze Warning	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	29 hr
Apr 10, 11:00 AM CDT	Freeze Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	23 hr
Apr 10, 1:36 PM CDT	Special Weather Statement	OAX	Mills	9 min
Apr 11, 3:46 AM CDT	Freeze Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	28 hr
Apr 11, 2:30 PM CDT	Freeze Warning	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	18 hr
Apr 11, 3:28 PM CDT	Freeze Warning	FSD	Buena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola	14 hr
Apr 11, 3:32 PM CDT	Freeze Warning	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	16 hr
Apr 13, 3:19 AM CDT	Special Weather Statement	OAX	Monona	26 min
Apr 13, 12:50 PM CDT	Wind Advisory	DMX	Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 5 more	6 hr
Apr 13, 12:53 PM CDT	Wind Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	6 hr
Apr 14, 3:53 AM CDT	Dense Fog Advisory	DMX	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 22 more	5 hr
Apr 14, 12:00 PM CDT	Tornado Watch PDS	SPC	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	7 hr
Apr 14, 1:25 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	35 min
Apr 14, 1:59 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	31 min
Apr 14, 2:06 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	24 min
Apr 14, 2:12 PM CDT	Areal Flood Advisory	OAX	Fremont, Mills, Montgomery	3 hr
Apr 14, 2:15 PM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more	90 min
Apr 14, 2:17 PM CDT	Tornado Warning	OAX	Fremont, Page	28 min
Apr 14, 2:29 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	31 min
Apr 14, 2:34 PM CDT	Areal Flood Advisory	OAX	Fremont, Mills, Montgomery, Page	3 hr
Apr 14, 2:41 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	49 min
Apr 14, 2:56 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 14 more	2 hr
Apr 14, 2:57 PM CDT	Areal Flood Advisory	OAX	Montgomery, Page	3 hr
Apr 14, 3:28 PM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	28 hr
Apr 14, 3:47 PM CDT	Tornado Warning	DMX	Adair, Adams, Madison, Union	28 min
Apr 14, 3:54 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	36 min
Apr 14, 4:27 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	48 min
Apr 14, 4:47 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Clarke, Dallas and 17 more	58 min
Apr 14, 5:00 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more	7 hr
Apr 14, 5:07 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	38 min
Apr 14, 5:11 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	34 min
Apr 14, 5:13 PM CDT	Flash Flood Warning	OAX	Montgomery	2 hr
Apr 14, 5:24 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	25 min
Apr 14, 5:24 PM CDT	Tornado Warning	OAX	Fremont	24 min
Apr 14, 5:33 PM CDT	Areal Flood Advisory	OAX	Fremont	96 min
Apr 14, 5:35 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	25 min
Apr 14, 5:43 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	32 min
Apr 14, 5:45 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk	45 min
Apr 14, 5:57 PM CDT	Areal Flood Advisory	OAX	Fremont, Page	2 hr
Apr 14, 5:57 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	33 min
Apr 14, 5:59 PM CDT	Areal Flood Advisory	OAX	Page	2 hr
Apr 14, 6:02 PM CDT	Severe Thunderstorm Warning	OAX	Page	28 min
Apr 14, 6:06 PM CDT	Tornado Warning	OAX	Montgomery	14 min
Apr 14, 6:12 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	48 min
Apr 14, 6:26 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	34 min
Apr 14, 6:27 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	33 min
Apr 14, 6:48 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Clarke, Decatur, Madison, Ringgold, Taylor and 1 more	42 min
Apr 14, 6:50 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	34 min
Apr 14, 6:57 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 23 more	63 min
Apr 14, 6:59 PM CDT	Flash Flood Warning	DMX	Cass	3 hr
Apr 14, 7:02 PM CDT	Areal Flood Advisory	OAX	Mills, Pottawattamie	58 min
Apr 14, 7:07 PM CDT	Flash Flood Warning	DMX	Adair, Madison	101 min
Apr 14, 7:11 PM CDT	Tornado Warning	DMX	Madison, Union	19 min
Apr 14, 7:26 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Madison, Marion, Union, Warren	49 min
Apr 14, 7:30 PM CDT	Flash Flood Warning	DMX	Adair, Dallas, Guthrie, Madison, Polk, Warren	3 hr
Apr 14, 7:32 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Jasper, Madison, Marion, Polk, Warren	43 min
Apr 14, 7:37 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Jasper, Polk, Story	38 min
Apr 14, 7:37 PM CDT	Tornado Warning	DMX	Clarke, Madison, Warren	23 min
Apr 14, 7:50 PM CDT	Mesoscale Discussion	SPC	Benton, Buchanan, Cedar, Delaware, Henry, Iowa and 13 more	55 min
Apr 14, 7:51 PM CDT	Mesoscale Discussion	SPC	Cherokee, Ida, Lyon, Monona, O'Brien, Osceola and 3 more	84 min
Apr 14, 8:10 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Polk, Story	50 min
Apr 14, 8:14 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Mahaska, Marion, Monroe, Warren	46 min
Apr 14, 8:33 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek, Tama	57 min
Apr 14, 8:41 PM CDT	Severe Thunderstorm Watch	SPC	Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more	4 hr
Apr 14, 8:43 PM CDT	Flash Flood Warning	DMX	Marshall, Tama	84 min
Apr 14, 8:55 PM CDT	Flash Flood Warning	DMX	Clarke, Decatur, Lucas, Marion, Monroe, Ringgold and 2 more	103 min
Apr 14, 8:56 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Marion, Monroe, Wapello	49 min
Apr 14, 9:03 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Louisa, Muscatine, Scott	43 min
Apr 14, 9:14 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Johnson, Keokuk, Linn, Washington	61 min
Apr 14, 9:17 PM CDT	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	31 hr
Apr 14, 9:21 PM CDT	Tornado Warning	DMX	Mahaska	24 min
Apr 14, 9:26 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Keokuk, Washington	64 min
Apr 14, 9:38 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Cedar, Iowa, Johnson, Jones, Keokuk and 4 more	55 min
Apr 14, 9:42 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	16 min
Apr 14, 9:54 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Jones, Louisa, Muscatine and 1 more	96 min
Apr 14, 9:55 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Jefferson, Keokuk, Louisa, Washington	65 min
Apr 14, 10:09 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Harrison, Mills, Monona, Montgomery, Page and 3 more	6 hr
Apr 14, 10:25 PM CDT	Flash Flood Watch	DMX	Adair, Adams, Audubon, Cass, Clarke, Dallas and 7 more	7 hr
Apr 14, 11:23 PM CDT	River Flood Warning	OAX	Page	16 hr
Apr 14, 11:28 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Boone, Carroll and 28 more	92 min
Apr 14, 11:59 PM CDT	Flash Flood Warning	FSD	Woodbury	3 hr
Apr 15, 12:09 AM CDT	Special Weather Statement	OAX	Fremont, Page	36 min
Apr 15, 12:31 AM CDT	Special Weather Statement	DVN	Scott	74 min
Apr 15, 12:41 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	34 min
Apr 15, 12:57 AM CDT	Tornado Warning	OAX	Pottawattamie	15 min
Apr 15, 2:05 AM CDT	Special Weather Statement	OAX	Fremont, Page	85 min
Apr 15, 3:25 AM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more	95 min
Apr 15, 3:28 AM CDT	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	19 hr
Apr 15, 3:50 AM CDT	Wind Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	18 hr
Apr 15, 4:15 AM CDT	High Wind Warning	DMX	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 19 more	16 hr
Apr 15, 4:15 AM CDT	Wind Advisory	DMX	Appanoose, Black Hawk, Boone, Bremer, Butler, Calhoun and 29 more	33 hr
Apr 15, 6:12 AM CDT	River Flood Warning	OAX	Fremont	16 hr
Apr 15, 11:10 AM CDT	River Flood Warning	DVN	Johnson, Washington	22 hr
Apr 15, 1:56 PM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Buena Vista, Butler, Calhoun, Carroll and 28 more	94 min
Apr 15, 2:56 PM CDT	Special Weather Statement	DVN	Des Moines, Henry, Lee, Van Buren	64 min
Apr 15, 3:26 PM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more	4 hr
Apr 15, 3:37 PM CDT	Special Weather Statement	DVN	Clinton, Des Moines, Louisa, Muscatine, Scott	53 min
Apr 15, 3:37 PM CDT	Tornado Watch	SPC	Cerro Gordo, Chickasaw, Clay, Dickinson, Emmet, Floyd and 8 more	7 hr
Apr 15, 4:18 PM CDT	Special Weather Statement	DVN	Cedar, Des Moines, Henry, Lee, Louisa, Muscatine and 2 more	57 min
Apr 15, 5:16 PM CDT	Special Weather Statement	DVN	Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more	59 min
Apr 15, 5:59 PM CDT	Special Weather Statement	DVN	Des Moines, Henry, Lee, Louisa, Muscatine	2 hr
Apr 15, 7:42 PM CDT	High Wind Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	10 hr
Apr 16, 3:35 AM CDT	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	11 hr
Apr 16, 3:56 AM CDT	Wind Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	9 hr
Apr 16, 10:36 AM CDT	River Flood Warning	DMX	Madison, Warren	17 hr
Apr 16, 3:33 PM CDT	Frost Advisory	FSD	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	16 hr
Apr 19, 2:23 PM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Calhoun, Carroll, Crawford, Dallas and 7 more	97 min
Apr 20, 3:24 PM CDT	Frost Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more	17 hr
Apr 20, 3:40 PM CDT	Frost Advisory	ARX	Allamakee, Clayton	12 hr
Apr 21, 4:21 PM CDT	Tornado Warning	FSD	Clay	24 min
Apr 21, 4:38 PM CDT	Tornado Warning	FSD	Dickinson	37 min
Apr 21, 4:45 PM CDT	Tornado Warning	FSD	Clay	14 min
Apr 22, 3:02 PM CDT	Freeze Warning	DVN	Clinton, Dubuque, Jackson	16 hr
Apr 23, 2:07 AM CDT	Freeze Warning	OAX	Shelby	7 hr
Apr 25, 6:41 PM CDT	Special Weather Statement	DVN	Van Buren	64 min
Apr 25, 6:59 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	61 min
Apr 25, 7:29 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	61 min
Apr 25, 7:47 PM CDT	Severe Thunderstorm Watch	SPC	Lee, Van Buren	6 hr
Apr 25, 7:51 PM CDT	Severe Thunderstorm Warning	DVN	Lee	54 min
Apr 27, 10:41 AM CDT	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	11 hr
Apr 27, 10:42 AM CDT	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	7 hr
Apr 27, 10:43 AM CDT	Wind Advisory	DMX	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 32 more	10 hr
Apr 27, 2:36 PM CDT	Special Weather Statement	OAX	Fremont	54 min
Apr 27, 2:57 PM CDT	Special Weather Statement	OAX	Harrison, Mills, Montgomery, Page, Pottawattamie	63 min
Apr 27, 3:47 PM CDT	Wind Advisory	ARX	Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and 1 more	5 hr
Apr 27, 4:00 PM CDT	Wind Advisory	DVN	Benton, Buchanan, Delaware, Dubuque, Jones, Linn	4 hr
Apr 27, 5:12 PM CDT	Special Weather Statement	OAX	Monona, Shelby	33 min
Apr 30, 3:09 AM CDT	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	6 hr
Apr 30, 3:22 AM CDT	Dense Fog Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	6 hr
Apr 30, 3:27 AM CDT	Dense Fog Advisory	DMX	Appanoose, Black Hawk, Bremer, Butler, Cerro Gordo, Clarke and 21 more	5 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	42
Tornado Warning	11
Severe Thunderstorm Watch	4
Tornado Watch	4
Mesoscale Discussion	13
Special Weather Statement	14
Flooding
Flash Flood Warning	7
River Flood Warning	4
Flash Flood Watch	1
Areal Flood Advisory	7
Cold
Freeze Warning	19
Freeze Watch	8
Frost Advisory	6
Wind and dust
High Wind Warning	2
Wind Advisory	16
Fire
Red Flag Warning	5
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	6

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 2011 2013

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.