Alert archive / Iowa / Severe Thunderstorm Warnings / 2014

Severe Thunderstorm Warnings in Iowa, May 2014

116 severe thunderstorm warnings in May 2014. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in May 2014. Tap one for its archive.

Severe Thunderstorm Warnings: 116
Busiest day: May 12, 201427 severe thunderstorm warnings

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 7, 2:56 AM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	34 min
May 7, 8:53 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	37 min
May 7, 9:35 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford, Sac	40 min
May 7, 9:37 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	38 min
May 7, 9:57 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas, Sac	48 min
May 7, 10:32 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Pocahontas, Webster	43 min
May 8, 12:24 AM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	51 min
May 8, 2:41 AM CDT	Severe Thunderstorm Warning	DMX	Franklin, Hancock, Humboldt, Wright	49 min
May 8, 3:12 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Winnebago, Worth, Wright	48 min
May 8, 3:23 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	37 min
May 8, 1:12 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	48 min
May 8, 1:43 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	47 min
May 8, 3:25 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	35 min
May 8, 4:07 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee	38 min
May 8, 4:49 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Greene	41 min
May 8, 5:19 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Greene, Guthrie	41 min
May 8, 5:21 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Linn	24 min
May 8, 5:27 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Greene, Webster	48 min
May 8, 5:41 PM CDT	Severe Thunderstorm Warning	DMX	Worth	19 min
May 8, 6:13 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Madison, Union, Warren	47 min
May 8, 6:50 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	40 min
May 8, 7:02 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	43 min
May 8, 7:20 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	40 min
May 8, 7:43 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin	32 min
May 8, 8:03 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd, Mitchell	42 min
May 8, 8:27 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Howard, Mitchell	48 min
May 10, 2:48 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	27 min
May 10, 3:02 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	43 min
May 10, 3:28 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	47 min
May 10, 3:38 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	52 min
May 10, 3:41 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Cass, Guthrie	49 min
May 10, 3:51 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	39 min
May 10, 4:05 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Taylor, Union	40 min
May 10, 4:26 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Dallas, Madison	49 min
May 10, 5:08 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	52 min
May 11, 8:25 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	50 min
May 11, 11:47 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Wayne	43 min
May 11, 12:31 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Wayne	44 min
May 11, 1:14 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Mahaska, Marion, Monroe	61 min
May 11, 1:55 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Monroe, Wapello	65 min
May 11, 2:24 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Keokuk, Washington	51 min
May 11, 3:11 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	64 min
May 11, 3:25 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Keokuk, Washington	50 min
May 11, 3:33 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	27 min
May 11, 3:36 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	39 min
May 11, 3:43 PM CDT	Severe Thunderstorm Warning	DMX	Monroe, Wapello	62 min
May 11, 4:13 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Louisa, Washington	62 min
May 11, 4:14 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee	61 min
May 11, 4:18 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Van Buren	42 min
May 11, 4:27 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	33 min
May 11, 4:46 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Louisa	59 min
May 11, 5:32 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	58 min
May 11, 5:39 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	66 min
May 11, 6:03 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	27 min
May 11, 6:26 PM CDT	Severe Thunderstorm Warning	OAX	Monona	34 min
May 11, 6:41 PM CDT	Severe Thunderstorm Warning	FSD	Clay, O'Brien	34 min
May 11, 7:17 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	43 min
May 11, 7:47 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Mills, Pottawattamie	43 min
May 11, 7:55 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	35 min
May 11, 8:08 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth	37 min
May 11, 8:08 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	52 min
May 11, 8:24 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Cass, Crawford	66 min
May 11, 9:04 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	26 min
May 11, 9:05 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	40 min
May 11, 9:09 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	36 min
May 11, 9:13 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	32 min
May 11, 9:15 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Crawford, Greene, Sac	45 min
May 11, 9:21 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Carroll, Dallas, Greene, Guthrie	39 min
May 11, 9:44 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	46 min
May 11, 10:03 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Boone, Dallas, Greene, Guthrie, Hamilton and 6 more	57 min
May 11, 10:45 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Cass	45 min
May 11, 10:55 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Hardin, Jasper, Marion, Marshall and 3 more	65 min
May 11, 11:13 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass, Union	47 min
May 12, 12:47 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Ringgold, Union	43 min
May 12, 1:32 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Marion, Warren	43 min
May 12, 1:39 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Wayne	36 min
May 12, 3:14 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Monroe, Poweshiek, Wapello	46 min
May 12, 3:36 PM CDT	Severe Thunderstorm Warning	DMX	Davis	39 min
May 12, 3:45 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	45 min
May 12, 4:24 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	51 min
May 12, 4:35 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson	25 min
May 12, 4:48 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Washington	42 min
May 12, 5:18 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Louisa, Muscatine, Washington	42 min
May 20, 4:19 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	56 min
May 20, 4:19 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	41 min
May 20, 4:22 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Guthrie	38 min
May 20, 4:36 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	54 min
May 20, 5:05 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	55 min
May 20, 5:09 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jones, Linn	66 min
May 20, 5:25 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Greene	35 min
May 20, 5:30 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson, Jones	45 min
May 20, 5:54 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Hardin, Marshall, Story	36 min
May 20, 6:02 PM CDT	Severe Thunderstorm Warning	DMX	Tama	28 min
May 20, 6:20 PM CDT	Severe Thunderstorm Warning	DVN	Jones	40 min
May 20, 6:25 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall, Story	50 min
May 20, 6:28 PM CDT	Severe Thunderstorm Warning	DMX	Tama	32 min
May 20, 6:44 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Polk, Story	31 min
May 20, 6:52 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	38 min
May 20, 6:58 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Jasper, Polk, Story	47 min
May 20, 7:15 PM CDT	Severe Thunderstorm Warning	DMX	Marshall, Tama	45 min
May 20, 7:22 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Jones, Linn	53 min
May 20, 7:39 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	66 min
May 20, 7:45 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Polk, Story	45 min
May 20, 7:59 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	61 min
May 20, 8:08 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Story	52 min
May 20, 8:10 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones, Linn	65 min
May 20, 8:59 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Tama	31 min
May 20, 9:10 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Polk, Story	35 min
May 21, 12:49 AM CDT	Severe Thunderstorm Warning	DMX	Decatur, Ringgold	41 min
May 21, 1:18 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	42 min
May 21, 1:30 AM CDT	Severe Thunderstorm Warning	DMX	Decatur, Wayne	30 min
May 21, 1:55 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	50 min
May 21, 3:23 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Wayne	52 min
May 30, 2:22 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	23 min
May 30, 2:43 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	47 min
May 30, 9:04 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	26 min

By county

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

47 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2013 2015

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.