Alert archive / Iowa / Severe Thunderstorm Warnings / 1998

Severe Thunderstorm Warnings in Iowa, May 1998

219 severe thunderstorm warnings in May 1998. 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 1998. Tap one for its archive.

Severe Thunderstorm Warnings: 219
Busiest day: May 15, 199859 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 11, 10:18 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	32 min
May 11, 10:20 PM CDT	Severe Thunderstorm Warning	OAX	Monona	35 min
May 11, 10:34 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida	46 min
May 11, 10:47 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	48 min
May 12, 5:14 PM CDT	Severe Thunderstorm Warning	DVN	Lee	46 min
May 12, 5:27 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson	48 min
May 12, 5:51 PM CDT	Severe Thunderstorm Warning	DVN	Jackson	49 min
May 12, 7:01 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	49 min
May 15, 8:58 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	62 min
May 15, 8:58 AM CDT	Severe Thunderstorm Warning	OAX	Page	62 min
May 15, 9:10 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	65 min
May 15, 9:16 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery	64 min
May 15, 9:18 AM CDT	Severe Thunderstorm Warning	DMX	Taylor	32 min
May 15, 9:28 AM CDT	Severe Thunderstorm Warning	DMX	Cass	37 min
May 15, 9:34 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	61 min
May 15, 9:46 AM CDT	Severe Thunderstorm Warning	DMX	Audubon	34 min
May 15, 9:47 AM CDT	Severe Thunderstorm Warning	OAX	Monona	63 min
May 15, 9:54 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	36 min
May 15, 10:00 AM CDT	Severe Thunderstorm Warning	DMX	Carroll	35 min
May 15, 10:09 AM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	51 min
May 15, 10:13 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	32 min
May 15, 10:16 AM CDT	Severe Thunderstorm Warning	DMX	Sac	34 min
May 15, 10:24 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun	36 min
May 15, 10:50 AM CDT	Severe Thunderstorm Warning	OAX	Monona	30 min
May 15, 10:52 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Plymouth	28 min
May 15, 11:09 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	31 min
May 15, 11:14 AM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Sioux	31 min
May 15, 11:14 AM CDT	Severe Thunderstorm Warning	FSD	Clay	31 min
May 15, 11:20 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	35 min
May 15, 11:28 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	62 min
May 15, 12:56 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	34 min
May 15, 1:04 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Sac	31 min
May 15, 1:16 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	34 min
May 15, 1:31 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	34 min
May 15, 1:42 PM CDT	Severe Thunderstorm Warning	DMX	Pocahontas	33 min
May 15, 1:48 PM CDT	Severe Thunderstorm Warning	DMX	Cass	17 min
May 15, 1:51 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	34 min
May 15, 2:10 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	35 min
May 15, 2:58 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	62 min
May 15, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	49 min
May 15, 3:03 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene	32 min
May 15, 3:10 PM CDT	Severe Thunderstorm Warning	OAX	Monona	50 min
May 15, 3:10 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	50 min
May 15, 3:22 PM CDT	Severe Thunderstorm Warning	DMX	Webster	33 min
May 15, 3:29 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	31 min
May 15, 3:42 PM CDT	Severe Thunderstorm Warning	DMX	Story	33 min
May 15, 3:51 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	34 min
May 15, 3:54 PM CDT	Severe Thunderstorm Warning	DMX	Sac	36 min
May 15, 3:59 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Hardin	46 min
May 15, 3:59 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock	46 min
May 15, 4:09 PM CDT	Severe Thunderstorm Warning	DMX	Davis	36 min
May 15, 4:09 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee	31 min
May 15, 4:14 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	46 min
May 15, 4:20 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson	50 min
May 15, 4:36 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	44 min
May 15, 4:40 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	35 min
May 15, 4:42 PM CDT	Severe Thunderstorm Warning	DVN	Washington	48 min
May 15, 4:45 PM CDT	Severe Thunderstorm Warning	DMX	Tama	35 min
May 15, 4:48 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Palo Alto	47 min
May 15, 4:53 PM CDT	Severe Thunderstorm Warning	DVN	Iowa	32 min
May 15, 4:59 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy	31 min
May 15, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	35 min
May 15, 5:07 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	33 min
May 15, 5:33 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Howard	47 min
May 15, 5:40 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	35 min
May 15, 6:32 PM CDT	Severe Thunderstorm Warning	ARX	Fayette, Winneshiek	48 min
May 15, 6:52 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	63 min
May 19, 3:09 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	31 min
May 19, 3:31 PM CDT	Severe Thunderstorm Warning	DMX	Polk	34 min
May 19, 3:56 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	34 min
May 19, 4:03 PM CDT	Severe Thunderstorm Warning	DMX	Polk	32 min
May 19, 4:13 PM CDT	Severe Thunderstorm Warning	DVN	Louisa, Muscatine	32 min
May 19, 4:44 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek	46 min
May 19, 4:44 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	46 min
May 19, 4:49 PM CDT	Severe Thunderstorm Warning	DMX	Polk	46 min
May 19, 4:56 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	49 min
May 19, 5:11 PM CDT	Severe Thunderstorm Warning	DMX	Story	34 min
May 19, 5:24 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	51 min
May 19, 5:27 PM CDT	Severe Thunderstorm Warning	DMX	Marion	33 min
May 19, 5:49 PM CDT	Severe Thunderstorm Warning	DMX	Polk	31 min
May 19, 6:02 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Warren	33 min
May 19, 6:15 PM CDT	Severe Thunderstorm Warning	DMX	Polk	45 min
May 19, 6:24 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Story	31 min
May 19, 6:44 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	46 min
May 19, 6:57 PM CDT	Severe Thunderstorm Warning	DMX	Polk	48 min
May 19, 7:23 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose	47 min
May 19, 7:31 PM CDT	Severe Thunderstorm Warning	DMX	Warren	34 min
May 19, 7:59 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	36 min
May 20, 3:11 AM CDT	Severe Thunderstorm Warning	OAX	Harrison	49 min
May 20, 3:20 AM CDT	Severe Thunderstorm Warning	OAX	Mills	50 min
May 20, 3:20 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	50 min
May 20, 3:41 AM CDT	Severe Thunderstorm Warning	OAX	Shelby	64 min
May 20, 3:46 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	49 min
May 20, 3:53 AM CDT	Severe Thunderstorm Warning	DMX	Audubon, Cass	62 min
May 20, 4:31 AM CDT	Severe Thunderstorm Warning	DMX	Carroll	49 min
May 20, 5:20 AM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	60 min
May 20, 5:47 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion	48 min
May 20, 8:50 AM CDT	Severe Thunderstorm Warning	DVN	Lee	45 min
May 20, 10:19 AM CDT	Severe Thunderstorm Warning	DMX	Marion	36 min
May 20, 10:21 AM CDT	Severe Thunderstorm Warning	DMX	Marion	34 min
May 20, 10:50 AM CDT	Severe Thunderstorm Warning	DMX	Monroe	35 min
May 20, 11:05 AM CDT	Severe Thunderstorm Warning	DMX	Wapello	35 min
May 20, 11:45 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska	20 min
May 20, 11:45 AM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	35 min
May 20, 11:51 AM CDT	Severe Thunderstorm Warning	DVN	Keokuk	34 min
May 21, 6:06 AM CDT	Severe Thunderstorm Warning	OAX	Page	64 min
May 21, 6:36 AM CDT	Severe Thunderstorm Warning	DMX	Taylor	49 min
May 21, 7:29 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	61 min
May 21, 8:54 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Cass	31 min
May 21, 9:29 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Guthrie	31 min
May 21, 10:04 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison	41 min
May 21, 10:13 PM CDT	Severe Thunderstorm Warning	DMX	Union	47 min
May 21, 10:32 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	48 min
May 21, 10:45 PM CDT	Severe Thunderstorm Warning	DMX	Warren	50 min
May 21, 11:01 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	44 min
May 21, 11:03 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	47 min
May 21, 11:17 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	48 min
May 21, 11:26 PM CDT	Severe Thunderstorm Warning	DMX	Marion	49 min
May 21, 11:51 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	49 min
May 22, 12:27 AM CDT	Severe Thunderstorm Warning	DMX	Davis	48 min
May 22, 1:37 AM CDT	Severe Thunderstorm Warning	DVN	Lee	48 min
May 22, 1:53 AM CDT	Severe Thunderstorm Warning	DMX	Adair	32 min
May 22, 2:15 AM CDT	Severe Thunderstorm Warning	DMX	Madison	45 min
May 22, 2:36 AM CDT	Severe Thunderstorm Warning	OAX	Page	64 min
May 23, 11:39 AM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	31 min
May 23, 12:46 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	44 min
May 23, 3:54 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Webster	31 min
May 23, 4:00 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	35 min
May 23, 5:10 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	45 min
May 23, 5:56 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	44 min
May 23, 6:03 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	32 min
May 23, 6:14 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	31 min
May 23, 6:47 PM CDT	Severe Thunderstorm Warning	DMX	Greene, Webster	33 min
May 23, 7:03 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	32 min
May 23, 7:26 PM CDT	Severe Thunderstorm Warning	DMX	Webster	34 min
May 23, 7:31 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	34 min
May 23, 8:19 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	31 min
May 23, 8:58 PM CDT	Severe Thunderstorm Warning	DMX	Davis	47 min
May 23, 8:59 PM CDT	Severe Thunderstorm Warning	DMX	Davis	46 min
May 23, 9:12 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	33 min
May 23, 10:29 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	51 min
May 24, 7:19 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	46 min
May 24, 8:48 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	47 min
May 28, 2:30 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	35 min
May 28, 3:26 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	34 min
May 28, 4:08 PM CDT	Severe Thunderstorm Warning	DMX	Webster	37 min
May 28, 4:10 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt	30 min
May 28, 4:25 PM CDT	Severe Thunderstorm Warning	DMX	Wright	20 min
May 28, 4:28 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton	32 min
May 28, 4:32 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	58 min
May 28, 4:53 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	62 min
May 28, 4:59 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	31 min
May 28, 5:26 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	34 min
May 28, 5:38 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	62 min
May 28, 5:44 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Winneshiek	61 min
May 28, 5:56 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Webster	34 min
May 28, 5:58 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	62 min
May 28, 6:01 PM CDT	Severe Thunderstorm Warning	DMX	Grundy	34 min
May 28, 6:02 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	63 min
May 28, 6:04 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Osceola	31 min
May 28, 6:15 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	30 min
May 28, 6:26 PM CDT	Severe Thunderstorm Warning	FSD	Clay	34 min
May 28, 6:42 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	33 min
May 28, 6:45 PM CDT	Severe Thunderstorm Warning	DVN	Benton	65 min
May 28, 6:56 PM CDT	Severe Thunderstorm Warning	DVN	Linn	64 min
May 28, 7:18 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	32 min
May 28, 7:23 PM CDT	Severe Thunderstorm Warning	DVN	Jones	62 min
May 28, 7:25 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	65 min
May 28, 7:31 PM CDT	Severe Thunderstorm Warning	DVN	Cedar	64 min
May 28, 7:41 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	49 min
May 28, 7:42 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	33 min
May 28, 7:45 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	65 min
May 28, 8:12 PM CDT	Severe Thunderstorm Warning	DVN	Scott	63 min
May 28, 8:20 PM CDT	Severe Thunderstorm Warning	DMX	Sac	20 min
May 28, 8:24 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	36 min
May 28, 8:57 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Webster	33 min
May 28, 9:29 PM CDT	Severe Thunderstorm Warning	DMX	Webster	36 min
May 28, 9:41 PM CDT	Severe Thunderstorm Warning	DMX	Boone	34 min
May 28, 10:15 PM CDT	Severe Thunderstorm Warning	DMX	Story	50 min
May 28, 10:25 PM CDT	Severe Thunderstorm Warning	OAX	Monona	35 min
May 28, 10:40 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	50 min
May 28, 10:46 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	34 min
May 28, 10:50 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	35 min
May 28, 11:14 PM CDT	Severe Thunderstorm Warning	DVN	Linn	51 min
May 28, 11:20 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones	65 min
May 28, 11:20 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	60 min
May 28, 11:53 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	62 min
May 28, 11:57 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	63 min
May 29, 12:09 AM CDT	Severe Thunderstorm Warning	DMX	Audubon	36 min
May 29, 12:14 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	51 min
May 29, 12:33 AM CDT	Severe Thunderstorm Warning	DMX	Cass	32 min
May 29, 12:50 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Dallas, Guthrie	50 min
May 29, 1:02 AM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	58 min
May 29, 1:24 AM CDT	Severe Thunderstorm Warning	DMX	Cass	31 min
May 29, 1:36 AM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	59 min
May 29, 2:01 AM CDT	Severe Thunderstorm Warning	DMX	Adams	34 min
May 29, 2:01 AM CDT	Severe Thunderstorm Warning	DMX	Adams	39 min
May 29, 2:21 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Union	49 min
May 29, 2:33 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	47 min
May 29, 3:38 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	62 min
May 30, 8:45 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	35 min
May 30, 9:08 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	32 min
May 30, 9:41 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
May 30, 11:16 AM CDT	Severe Thunderstorm Warning	FSD	Ida	34 min
May 30, 11:29 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	31 min
May 30, 11:39 AM CDT	Severe Thunderstorm Warning	DMX	Sac	51 min
May 30, 12:10 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun	50 min
May 30, 12:38 PM CDT	Severe Thunderstorm Warning	DMX	Greene, Webster	47 min
May 30, 1:05 PM CDT	Severe Thunderstorm Warning	DMX	Boone	50 min
May 30, 1:34 PM CDT	Severe Thunderstorm Warning	DMX	Story	51 min
May 30, 2:12 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	48 min
May 30, 2:52 PM CDT	Severe Thunderstorm Warning	DMX	Tama	48 min
May 30, 10:01 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	34 min
May 30, 10:08 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	32 min
May 30, 11:35 PM CDT	Severe Thunderstorm Warning	DMX	Worth	50 min
May 31, 12:26 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Winneshiek	64 min
May 31, 12:26 AM CDT	Severe Thunderstorm Warning	ARX	Allamakee	64 min
May 31, 1:10 AM CDT	Severe Thunderstorm Warning	ARX	Clayton, Fayette	65 min
May 31, 1:29 AM CDT	Severe Thunderstorm Warning	DVN	Buchanan	51 min

By county

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

53 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 1997 1999

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.