Alert archive / Iowa / Severe Thunderstorm Warnings / 1991

Severe Thunderstorm Warnings in Iowa, May 1991

81 severe thunderstorm warnings in May 1991. 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 1991. Tap one for its archive.

Severe Thunderstorm Warnings: 81
Busiest day: May 14, 199126 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 4, 8:17 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Union	41 min
May 12, 10:24 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	16 min
May 13, 12:46 AM CDT	Severe Thunderstorm Warning	DMX	Kossuth	29 min
May 13, 1:12 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	43 min
May 13, 4:04 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Monroe	20 min
May 13, 4:24 AM CDT	Severe Thunderstorm Warning	DMX	Winneshiek	36 min
May 13, 6:26 AM CDT	Severe Thunderstorm Warning	DVN	Clayton	34 min
May 14, 6:26 AM CDT	Severe Thunderstorm Warning	DVN	Clayton	34 min
May 14, 8:33 AM CDT	Severe Thunderstorm Warning	DMX	Lucas	42 min
May 14, 8:44 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk, Story	46 min
May 14, 9:03 AM CDT	Severe Thunderstorm Warning	DMX	Boone	42 min
May 14, 9:15 AM CDT	Severe Thunderstorm Warning	DMX	Lucas	45 min
May 14, 9:43 AM CDT	Severe Thunderstorm Warning	DMX	Marshall	47 min
May 14, 10:00 AM CDT	Severe Thunderstorm Warning	DMX	Wayne	45 min
May 14, 10:36 AM CDT	Severe Thunderstorm Warning	DMX	Grundy	69 min
May 14, 10:50 AM CDT	Severe Thunderstorm Warning	DMX	Wayne	40 min
May 14, 11:05 AM CDT	Severe Thunderstorm Warning	DMX	Appanoose	40 min
May 14, 11:17 AM CDT	Severe Thunderstorm Warning	DMX	Buchanan	58 min
May 14, 11:26 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	64 min
May 14, 12:04 PM CDT	Severe Thunderstorm Warning	DMX	Fayette	38 min
May 14, 12:34 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	41 min
May 14, 12:43 PM CDT	Severe Thunderstorm Warning	DMX	Benton	47 min
May 14, 1:01 PM CDT	Severe Thunderstorm Warning	DMX	Linn	44 min
May 14, 1:12 PM CDT	Severe Thunderstorm Warning	DMX	Buchanan	33 min
May 14, 1:30 PM CDT	Severe Thunderstorm Warning	DMX	Linn	45 min
May 14, 1:52 PM CDT	Severe Thunderstorm Warning	DMX	Benton	21 min
May 14, 2:24 PM CDT	Severe Thunderstorm Warning	DMX	Benton	66 min
May 14, 3:23 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	67 min
May 14, 3:37 PM CDT	Severe Thunderstorm Warning	DVN	Scott	68 min
May 14, 5:05 PM CDT	Severe Thunderstorm Warning	DMX	Wright	40 min
May 14, 5:22 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock	68 min
May 14, 5:49 PM CDT	Severe Thunderstorm Warning	DMX	Wright	41 min
May 14, 6:42 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	63 min
May 14, 7:10 PM CDT	Severe Thunderstorm Warning	DMX	Marion	42 min
May 14, 8:07 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	33 min
May 15, 3:23 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall	22 min
May 16, 7:33 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	42 min
May 16, 8:36 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	39 min
May 17, 1:54 PM CDT	Severe Thunderstorm Warning	DMX	Wright	36 min
May 17, 2:35 PM CDT	Severe Thunderstorm Warning	DMX	Wright	40 min
May 17, 3:01 PM CDT	Severe Thunderstorm Warning	DMX	Greene	44 min
May 17, 3:17 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	58 min
May 17, 3:46 PM CDT	Severe Thunderstorm Warning	DVN	Delaware	59 min
May 17, 4:16 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis	44 min
May 17, 4:22 PM CDT	Severe Thunderstorm Warning	DMX	Floyd	38 min
May 17, 4:22 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	68 min
May 17, 5:14 PM CDT	Severe Thunderstorm Warning	DMX	Benton, Iowa	46 min
May 17, 5:27 PM CDT	Severe Thunderstorm Warning	DMX	Van Buren	48 min
May 17, 5:36 PM CDT	Severe Thunderstorm Warning	DMX	Iowa, Johnson, Linn	69 min
May 17, 6:13 PM CDT	Severe Thunderstorm Warning	DVN	Lee	62 min
May 25, 8:33 PM CDT	Severe Thunderstorm Warning	OAX	Page	24 min
May 25, 9:26 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	44 min
May 25, 10:53 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Union	67 min
May 28, 12:04 AM CDT	Severe Thunderstorm Warning	DMX	Carroll	41 min
May 28, 12:35 AM CDT	Severe Thunderstorm Warning	FSD	Monona	55 min
May 28, 12:52 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	44 min
May 28, 3:26 AM CDT	Severe Thunderstorm Warning	DMX	Webster	49 min
May 28, 3:58 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	47 min
May 28, 4:18 AM CDT	Severe Thunderstorm Warning	DMX	Franklin	57 min
May 28, 4:29 AM CDT	Severe Thunderstorm Warning	DMX	Hardin	46 min
May 28, 5:09 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	51 min
May 28, 5:30 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	30 min
May 29, 1:19 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	56 min
May 29, 1:19 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	56 min
May 29, 1:33 AM CDT	Severe Thunderstorm Warning	OAX	Harrison	27 min
May 29, 2:00 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee	60 min
May 29, 2:26 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	49 min
May 29, 2:50 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	25 min
May 29, 3:58 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	62 min
May 29, 9:02 PM CDT	Severe Thunderstorm Warning	DMX	Linn	28 min
May 29, 9:22 PM CDT	Severe Thunderstorm Warning	DVN	Jones	48 min
May 29, 10:56 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	64 min
May 31, 5:06 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin	54 min
May 31, 5:34 AM CDT	Severe Thunderstorm Warning	DMX	Franklin	56 min
May 31, 8:22 AM CDT	Severe Thunderstorm Warning	DMX	Bremer, Butler	68 min
May 31, 9:23 AM CDT	Severe Thunderstorm Warning	DMX	Buchanan	67 min
May 31, 10:39 AM CDT	Severe Thunderstorm Warning	DVN	Jones	66 min
May 31, 10:57 AM CDT	Severe Thunderstorm Warning	DVN	Dubuque	63 min
May 31, 10:59 AM CDT	Severe Thunderstorm Warning	DMX	Marshall	31 min
May 31, 11:18 AM CDT	Severe Thunderstorm Warning	DVN	Jones	42 min
May 31, 12:36 PM CDT	Severe Thunderstorm Warning	DMX	Polk	39 min

By county

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

17 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 1990 1992

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.