Alert archive / Iowa / Severe Thunderstorm Warnings / 2015

Severe Thunderstorm Warnings in Iowa, May 2015

52 severe thunderstorm warnings in May 2015. 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 2015. Tap one for its archive.

Severe Thunderstorm Warnings: 52
Busiest day: May 4, 201516 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 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, 6:43 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, 7:33 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, 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, 9:53 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, 10:38 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas, Webster	37 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, 8:08 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Decatur, Lucas, Wayne	39 min
May 7, 3:05 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	40 min
May 7, 3:29 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee	46 min
May 7, 4:41 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	34 min
May 7, 4:56 PM CDT	Severe Thunderstorm Warning	DMX	Cass	33 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, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Worth	14 min
May 7, 7:56 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	23 min
May 10, 12:24 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	24 min
May 10, 1:34 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	41 min
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, 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, 8:02 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	28 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, 9:32 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison	18 min
May 17, 3:11 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Greene	49 min
May 25, 5:22 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	23 min
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, 6:18 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, 6:52 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, 7:10 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

By county

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

12 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. Warning verification from the Mesonet's Cow. Rebuilt daily.