Alert archive / Iowa / Severe Thunderstorm Warnings / 1999

Severe Thunderstorm Warnings in Iowa, May 1999

79 severe thunderstorm warnings in May 1999. 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 1999. Tap one for its archive.

Severe Thunderstorm Warnings: 79
Busiest day: May 16, 199954 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, 1:08 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	32 min
May 11, 3:42 PM CDT	Severe Thunderstorm Warning	DVN	Benton	33 min
May 16, 1:05 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie, Shelby	30 min
May 16, 3:52 AM CDT	Severe Thunderstorm Warning	DMX	Clarke	33 min
May 16, 4:09 AM CDT	Severe Thunderstorm Warning	DMX	Warren	36 min
May 16, 7:33 AM CDT	Severe Thunderstorm Warning	OAX	Monona	32 min
May 16, 7:51 AM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	24 min
May 16, 8:47 AM CDT	Severe Thunderstorm Warning	DMX	Greene	33 min
May 16, 9:19 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene	36 min
May 16, 9:20 AM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Ida	25 min
May 16, 9:24 AM CDT	Severe Thunderstorm Warning	DMX	Sac	41 min
May 16, 10:12 AM CDT	Severe Thunderstorm Warning	DMX	Boone, Story	33 min
May 16, 10:28 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Webster	32 min
May 16, 10:47 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin	33 min
May 16, 10:58 AM CDT	Severe Thunderstorm Warning	DMX	Webster	32 min
May 16, 11:18 AM CDT	Severe Thunderstorm Warning	DMX	Hardin	32 min
May 16, 11:23 AM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	47 min
May 16, 12:00 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	45 min
May 16, 12:27 PM CDT	Severe Thunderstorm Warning	DMX	Butler	63 min
May 16, 12:40 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	65 min
May 16, 12:46 PM CDT	Severe Thunderstorm Warning	DMX	Franklin	34 min
May 16, 12:55 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	60 min
May 16, 1:18 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	57 min
May 16, 1:28 PM CDT	Severe Thunderstorm Warning	DMX	Butler	32 min
May 16, 1:43 PM CDT	Severe Thunderstorm Warning	DMX	Bremer	62 min
May 16, 1:53 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	62 min
May 16, 2:05 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	55 min
May 16, 2:14 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	66 min
May 16, 2:18 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	47 min
May 16, 2:36 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	44 min
May 16, 2:42 PM CDT	Severe Thunderstorm Warning	OAX	Mills	33 min
May 16, 2:56 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	49 min
May 16, 2:57 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	48 min
May 16, 3:19 PM CDT	Severe Thunderstorm Warning	OAX	Monona	36 min
May 16, 3:24 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	36 min
May 16, 3:38 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	47 min
May 16, 3:40 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	65 min
May 16, 3:49 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	26 min
May 16, 4:00 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	30 min
May 16, 4:16 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee	29 min
May 16, 4:33 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	32 min
May 16, 4:38 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy	32 min
May 16, 4:55 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	35 min
May 16, 5:05 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Woodbury	30 min
May 16, 5:41 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Osceola	34 min
May 16, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien	30 min
May 16, 5:45 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	35 min
May 16, 5:49 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	71 min
May 16, 5:52 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	68 min
May 16, 5:55 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	35 min
May 16, 6:00 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	45 min
May 16, 6:11 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	49 min
May 16, 6:13 PM CDT	Severe Thunderstorm Warning	DMX	Cass	32 min
May 16, 6:26 PM CDT	Severe Thunderstorm Warning	DMX	Butler	34 min
May 16, 6:37 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	48 min
May 16, 6:43 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	47 min
May 16, 7:00 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	90 min
May 16, 7:09 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jones	61 min
May 16, 7:25 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	95 min
May 16, 7:52 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	48 min
May 16, 7:53 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	22 min
May 16, 8:36 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall	49 min
May 16, 8:51 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	49 min
May 16, 10:34 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk	46 min
May 16, 10:40 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Johnson, Washington	45 min
May 16, 10:40 PM CDT	Severe Thunderstorm Warning	DVN	Linn	45 min
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Lee, Louisa	63 min
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine	63 min
May 16, 11:04 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	31 min
May 16, 11:15 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	50 min
May 16, 11:28 PM CDT	Severe Thunderstorm Warning	DVN	Scott	47 min
May 22, 5:03 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	42 min
May 22, 5:32 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	28 min
May 22, 7:09 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	31 min
May 22, 7:15 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	35 min
May 27, 4:11 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	34 min
May 27, 5:57 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Pocahontas	33 min
May 27, 6:46 PM CDT	Severe Thunderstorm Warning	OAX	Monona	49 min
May 27, 7:14 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	46 min

By county

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

22 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 1998 2000

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.