Alert archive / Iowa / 2015

Weather alerts in Iowa, May 2015

170 weather alerts in May 2015, 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 May 2015. Tap one for its archive.

Alerts: 170
Warnings: 65
Watches: 4
Advisories: 6
Busiest day: May 4, 201530 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
May 2, 10:19 PM CDT	Special Weather Statement	OAX	Harrison	41 min
May 3, 1:33 AM CDT	Special Weather Statement	DMX	Audubon, Cass	42 min
May 3, 3:41 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 11 more	2 hr
May 3, 3:57 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Carroll, Cass, Cherokee and 14 more	2 hr
May 3, 5:26 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	49 min
May 3, 5:34 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	29 min
May 3, 5:42 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth	48 min
May 3, 6:19 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth, Palo Alto	41 min
May 3, 6:29 PM CDT	Special Weather Statement	ARX	Mitchell	61 min
May 3, 6:43 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago, Worth	47 min
May 3, 7:02 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Humboldt, Kossuth, Pocahontas	43 min
May 3, 7:14 PM CDT	Severe Thunderstorm Warning	DMX	Worth	46 min
May 3, 7:18 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	42 min
May 3, 7:30 PM CDT	Special Weather Statement	ARX	Howard, Mitchell	75 min
May 3, 7:32 PM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Bremer, Butler, Calhoun, Carroll and 22 more	58 min
May 3, 7:33 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Humboldt, Webster, Wright	42 min
May 3, 7:47 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Humboldt, Pocahontas, Webster	43 min
May 3, 7:59 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Worth, Wright	46 min
May 3, 8:28 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Webster	47 min
May 3, 8:31 PM CDT	Severe Thunderstorm Warning	OAX	Monona	29 min
May 3, 8:40 PM CDT	Special Weather Statement	ARX	Chickasaw, Floyd, Howard, Winneshiek	80 min
May 3, 9:05 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Webster, Wright	25 min
May 3, 9:25 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	35 min
May 3, 9:34 PM CDT	Special Weather Statement	DMX	Webster	26 min
May 3, 9:41 PM CDT	Special Weather Statement	ARX	Allamakee, Clayton, Fayette, Winneshiek	109 min
May 3, 9:53 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	22 min
May 3, 9:54 PM CDT	Severe Thunderstorm Warning	DMX	Webster	14 min
May 3, 10:25 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Dubuque, Jones, Linn	35 min
May 3, 10:27 PM CDT	Special Weather Statement	DMX	Pocahontas	48 min
May 3, 10:38 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas, Webster	37 min
May 3, 11:01 PM CDT	Special Weather Statement	DMX	Humboldt	44 min
May 3, 11:16 PM CDT	Special Weather Statement	DMX	Webster	44 min
May 3, 11:32 PM CDT	Special Weather Statement	DMX	Webster	43 min
May 3, 11:47 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler, Grundy	22 min
May 4, 12:25 AM CDT	Severe Thunderstorm Warning	OAX	Fremont	35 min
May 4, 12:27 AM CDT	Special Weather Statement	DMX	Black Hawk, Grundy, Hamilton, Hardin	48 min
May 4, 1:13 AM CDT	Special Weather Statement	DMX	Black Hawk, Grundy, Hardin, Marshall, Story	47 min
May 4, 3:29 AM CDT	Special Weather Statement	DVN	Cedar, Jones, Linn	61 min
May 4, 2:56 PM CDT	Mesoscale Discussion	SPC	Adams, Fremont, Montgomery, Page, Taylor	2 hr
May 4, 6:30 PM CDT	Mesoscale Discussion	SPC	Decatur, Fremont, Page, Ringgold, Taylor	90 min
May 4, 7:34 PM CDT	Special Weather Statement	DVN	Louisa, Muscatine	56 min
May 4, 7:49 PM CDT	Special Weather Statement	DMX	Wayne	41 min
May 4, 8:08 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Decatur, Lucas, Wayne	39 min
May 4, 8:39 PM CDT	Special Weather Statement	DMX	Mahaska	51 min
May 4, 9:33 PM CDT	Special Weather Statement	DMX	Mahaska	42 min
May 4, 10:50 PM CDT	Special Weather Statement	DMX	Appanoose, Monroe	40 min
May 5, 5:06 PM CDT	Special Weather Statement	DMX	Hardin, Story	39 min
May 5, 11:53 PM CDT	Dense Fog Advisory	FSD	Buena Vista, Clay, Dickinson, O'Brien, Osceola	7 hr
May 6, 12:07 AM CDT	Dense Fog Advisory	DMX	Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 18 more	9 hr
May 6, 12:50 AM CDT	Dense Fog Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	8 hr
May 6, 4:16 PM CDT	Special Weather Statement	DVN	Buchanan, Cedar, Delaware, Des Moines, Henry, Johnson and 5 more	59 min
May 6, 7:40 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page	65 min
May 7, 9:46 AM CDT	River Flood Warning	OAX	Fremont	50 hr
May 7, 10:33 AM CDT	River Flood Warning	OAX	Mills	54 hr
May 7, 1:57 PM CDT	Special Weather Statement	DVN	Lee, Van Buren	48 min
May 7, 2:46 PM CDT	Special Weather Statement	OAX	Mills	44 min
May 7, 2:57 PM CDT	Special Weather Statement	DVN	Keokuk	33 min
May 7, 3:05 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	40 min
May 7, 3:18 PM CDT	Special Weather Statement	DVN	Van Buren	42 min
May 7, 3:24 PM CDT	Special Weather Statement	DVN	Des Moines, Henry, Lee	36 min
May 7, 3:29 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee	46 min
May 7, 3:43 PM CDT	Special Weather Statement	DVN	Benton, Buchanan, Iowa, Johnson, Linn	47 min
May 7, 4:25 PM CDT	Special Weather Statement	ARX	Fayette	35 min
May 7, 4:25 PM CDT	Special Weather Statement	OAX	Montgomery	50 min
May 7, 4:27 PM CDT	Special Weather Statement	OAX	Fremont	33 min
May 7, 4:41 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	34 min
May 7, 4:45 PM CDT	Special Weather Statement	DMX	Cass	60 min
May 7, 4:56 PM CDT	Severe Thunderstorm Warning	DMX	Cass	33 min
May 7, 6:11 PM CDT	Special Weather Statement	DMX	Sac	34 min
May 7, 6:16 PM CDT	Special Weather Statement	DMX	Humboldt	44 min
May 7, 6:33 PM CDT	Severe Thunderstorm Warning	DMX	Worth	15 min
May 7, 7:04 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	26 min
May 7, 7:16 PM CDT	Areal Flood Warning	OAX	Mills, Montgomery	6 hr
May 7, 7:29 PM CDT	Special Weather Statement	DMX	Webster, Wright	31 min
May 7, 7:33 PM CDT	Special Weather Statement	OAX	Montgomery	57 min
May 7, 7:34 PM CDT	Special Weather Statement	ARX	Mitchell	26 min
May 7, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Worth	14 min
May 7, 7:49 PM CDT	Special Weather Statement	ARX	Mitchell	26 min
May 7, 7:56 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	23 min
May 7, 8:17 PM CDT	Special Weather Statement	DMX	Cerro Gordo, Franklin, Wright	58 min
May 10, 10:24 AM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more	3 hr
May 10, 10:46 AM CDT	Tornado Watch	SPC	Adair, Audubon, Buena Vista, Calhoun, Carroll, Cass and 21 more	8 hr
May 10, 11:52 AM CDT	Mesoscale Discussion	SPC	Adams, Decatur, Fremont, Page, Ringgold, Taylor	2 hr
May 10, 12:24 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	24 min
May 10, 12:57 PM CDT	Special Weather Statement	OAX	Mills, Pottawattamie	48 min
May 10, 1:23 PM CDT	Special Weather Statement	OAX	Harrison, Pottawattamie	37 min
May 10, 1:34 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	41 min
May 10, 1:35 PM CDT	Special Weather Statement	DMX	Audubon, Cass	25 min
May 10, 1:47 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Fremont, Mills, Montgomery, Page, Ringgold and 2 more	8 hr
May 10, 1:53 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	37 min
May 10, 2:31 PM CDT	Severe Thunderstorm Warning	OAX	Monona	29 min
May 10, 2:43 PM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Buena Vista, Cass, Cherokee, Crawford and 11 more	92 min
May 10, 2:51 PM CDT	Tornado Warning	FSD	Sioux	24 min
May 10, 2:55 PM CDT	Special Weather Statement	DMX	Greene	35 min
May 10, 3:13 PM CDT	Mesoscale Discussion	SPC	Page	92 min
May 10, 3:15 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	30 min
May 10, 3:27 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Sioux	33 min
May 10, 3:51 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	24 min
May 10, 4:08 PM CDT	Special Weather Statement	DMX	Webster	52 min
May 10, 4:34 PM CDT	Flash Flood Warning	FSD	Lyon	4 hr
May 10, 4:42 PM CDT	Special Weather Statement	DMX	Hancock, Wright	48 min
May 10, 5:17 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more	88 min
May 10, 6:28 PM CDT	Special Weather Statement	OAX	Montgomery, Page	47 min
May 10, 7:10 PM CDT	Special Weather Statement	DMX	Cass	50 min
May 10, 7:15 PM CDT	Tornado Warning Tornado observed	DMX	Calhoun, Carroll	30 min
May 10, 7:37 PM CDT	Tornado Warning	DMX	Pocahontas	23 min
May 10, 7:43 PM CDT	Tornado Warning Tornado observed	DMX	Calhoun	32 min
May 10, 8:02 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	28 min
May 10, 8:12 PM CDT	Tornado Warning	DMX	Calhoun, Pocahontas	33 min
May 10, 8:18 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Sac	27 min
May 10, 8:41 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas	49 min
May 10, 9:19 PM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Dallas, Davis, Decatur, Lucas and 9 more	56 min
May 10, 9:32 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison	18 min
May 10, 10:09 PM CDT	Special Weather Statement	DMX	Boone	36 min
May 11, 12:13 AM CDT	Special Weather Statement	DMX	Worth	17 min
May 14, 11:44 PM CDT	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	7 hr
May 15, 12:05 AM CDT	Dense Fog Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 43 more	9 hr
May 15, 2:13 PM CDT	Mesoscale Discussion	SPC	Adams, Appanoose, Davis, Decatur, Page, Ringgold and 2 more	2 hr
May 15, 4:54 PM CDT	Special Weather Statement	DVN	Lee, Van Buren	51 min
May 16, 2:10 PM CDT	Mesoscale Discussion	SPC	Lyon, O'Brien, Osceola, Plymouth, Sioux	95 min
May 16, 3:34 PM CDT	Mesoscale Discussion	SPC	Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 5 more	86 min
May 16, 4:52 PM CDT	Special Weather Statement	DMX	Crawford	38 min
May 16, 5:01 PM CDT	Special Weather Statement	OAX	Crawford	44 min
May 16, 5:26 PM CDT	Special Weather Statement	OAX	Shelby	49 min
May 16, 7:44 PM CDT	Special Weather Statement	OAX	Page	31 min
May 17, 3:11 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Greene	49 min
May 17, 3:13 AM CDT	Tornado Warning	DMX	Dallas	32 min
May 17, 3:26 AM CDT	Special Weather Statement	DMX	Jasper, Mahaska, Marshall, Poweshiek, Story, Tama	49 min
May 17, 3:30 AM CDT	Tornado Warning	DMX	Boone, Dallas	30 min
May 17, 4:03 AM CDT	Tornado Warning Tornado observed	DMX	Boone, Webster	21 min
May 17, 12:51 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cerro Gordo, Clay, Crawford, Dickinson and 17 more	114 min
May 17, 7:15 PM CDT	Special Weather Statement	OAX	Montgomery	45 min
May 17, 7:46 PM CDT	Special Weather Statement	DMX	Adams	59 min
May 17, 8:06 PM CDT	Special Weather Statement	OAX	Page	39 min
May 17, 11:38 PM CDT	Special Weather Statement	DMX	Davis, Wapello	37 min
May 18, 2:43 PM CDT	Frost Advisory	FSD	Lyon, Plymouth, Sioux, Woodbury	17 hr
May 24, 3:34 PM CDT	Mesoscale Discussion	SPC	Benton, Cedar, Clinton, Davis, Des Moines, Henry and 17 more	56 min
May 24, 4:55 PM CDT	Special Weather Statement	DMX	Davis	35 min
May 24, 5:10 PM CDT	Special Weather Statement	DVN	Jefferson, Van Buren	50 min
May 24, 5:34 PM CDT	Tornado Watch	SPC	Cedar, Clinton, Des Moines, Dubuque, Henry, Jackson and 10 more	7 hr
May 24, 6:26 PM CDT	Special Weather Statement	DVN	Louisa, Muscatine	49 min
May 24, 6:41 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 3 more	94 min
May 24, 7:18 PM CDT	Tornado Warning Tornado observed	DVN	Scott	27 min
May 24, 8:05 PM CDT	Special Weather Statement	DVN	Clinton	25 min
May 25, 5:08 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Calhoun, Carroll, Cass and 18 more	67 min
May 25, 5:22 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	23 min
May 25, 5:33 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 39 more	6 hr
May 25, 5:41 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	31 min
May 25, 5:44 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	46 min
May 25, 6:00 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	27 min
May 25, 6:06 PM CDT	Mesoscale Discussion	SPC	Allamakee, Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay and 17 more	114 min
May 25, 6:18 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	42 min
May 25, 6:46 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	44 min
May 25, 6:51 PM CDT	Special Weather Statement	OAX	Shelby	24 min
May 25, 6:52 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	38 min
May 25, 7:05 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	28 min
May 25, 7:08 PM CDT	Special Weather Statement	OAX	Mills	37 min
May 25, 7:10 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Sac	35 min
May 25, 8:00 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Webster	30 min
May 25, 8:18 PM CDT	Special Weather Statement	OAX	Harrison	27 min
May 25, 8:18 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 28 more	87 min
May 25, 8:45 PM CDT	Special Weather Statement	DMX	Calhoun, Carroll, Crawford, Franklin, Hamilton, Webster and 1 more	45 min
May 26, 7:36 AM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek	114 min
May 26, 10:01 AM CDT	Special Weather Statement	DVN	Dubuque	44 min
May 28, 5:57 PM CDT	Special Weather Statement	DMX	Lucas	48 min
May 29, 4:51 PM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	54 min
May 29, 5:27 PM CDT	Special Weather Statement	DMX	Butler	48 min
May 29, 5:56 PM CDT	Special Weather Statement	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	2 hr
May 29, 6:38 PM CDT	Special Weather Statement	OAX	Harrison	52 min
May 29, 7:44 PM CDT	Special Weather Statement	OAX	Shelby	46 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
Severe Thunderstorm Warning	52
Tornado Warning	9
Severe Thunderstorm Watch	2
Tornado Watch	2
Mesoscale Discussion	21
Special Weather Statement	74
Flooding
Areal Flood Warning	1
Flash Flood Warning	1
River Flood Warning	2
Cold
Frost Advisory	1
Fog and smoke
Dense Fog Advisory	5

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 2014 2016

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.