Alert archive / Iowa / Tornado Watches
Tornado Watches in Iowa, 1998
31 tornado watches in 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 1998. Tap one for its archive.
- Tornado Watches
- 31
- Busiest month
- June16 tornado watches
- Busiest day
- June 29, 19985 tornado watches
Over time
By month
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 |
|---|---|---|---|---|
| Mar 29, 2:00 PM CST | Tornado Watch | SPC | Allamakee, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 41 more | 6 hr |
| Apr 7, 2:00 PM CDT | Tornado Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 10 more | 6 hr |
| Apr 14, 6:45 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Cass, Decatur, Fremont and 10 more | 5 hr |
| Apr 25, 5:30 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Calhoun and 35 more | 6 hr |
| May 11, 8:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 19 more | 6 hr |
| May 15, 3:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 72 more | 6 hr |
| May 15, 5:00 PM CDT | Tornado Watch | SPC | Allamakee, Buchanan, Cedar, Clayton, Clinton, Delaware and 14 more | 6 hr |
| May 21, 11:30 PM CDT | Tornado Watch | SPC | Adair, Adams, Cass, Fremont, Harrison, Madison and 8 more | 6 hr |
| May 28, 4:00 PM CDT | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 45 more | 5 hr |
| May 28, 8:45 PM CDT | Tornado Watch | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 40 more | 6 hr |
| May 30, 1:00 PM CDT | Tornado Watch | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 31 more | 4 hr |
| May 30, 8:30 PM CDT | Tornado Watch | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 33 more | 7 hr |
| May 31, 12:00 AM CDT | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 20 more | 5 hr |
| Jun 13, 8:05 PM CDT | Tornado Watch | SPC | Adair, Adams, Cass, Fremont, Mills, Montgomery and 5 more | 6 hr |
| Jun 14, 1:15 AM CDT | Tornado Watch | SPC | Adams, Appanoose, Davis, Decatur, Fremont, Mills and 6 more | 6 hr |
| Jun 14, 2:00 PM CDT | Tornado Watch | SPC | Benton, Cedar, Clinton, Davis, Des Moines, Henry and 21 more | 6 hr |
| Jun 20, 1:45 PM CDT | Tornado Watch | SPC | Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 45 more | 5 hr |
| Jun 20, 3:15 PM CDT | Tornado Watch | SPC | Fremont, Mills | 6 hr |
| Jun 23, 7:15 PM CDT | Tornado Watch | SPC | Monona, Plymouth, Woodbury | 6 hr |
| Jun 23, 7:30 PM CDT | Tornado Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 31 more | 6 hr |
| Jun 24, 6:30 PM CDT | Tornado Watch | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Ida and 8 more | 7 hr |
| Jun 24, 9:00 PM CDT | Tornado Watch | SPC | Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 17 more | 6 hr |
| Jun 27, 4:00 PM CDT | Tornado Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 24 more | 6 hr |
| Jun 27, 7:00 PM CDT | Tornado Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 6 more | 6 hr |
| Jun 29, 11:15 AM CDT | Tornado Watch | SPC | Boone, Bremer, Buena Vista, Butler, Calhoun, Carroll and 35 more | 6 hr |
| Jun 29, 1:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 55 more | 4 hr |
| Jun 29, 3:15 PM CDT | Tornado Watch | SPC | Clinton, Jackson, Scott | 6 hr |
| Jun 29, 3:45 PM CDT | Tornado Watch | SPC | Fremont, Mills | 6 hr |
| Jun 29, 4:15 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 31 more | 6 hr |
| Jul 6, 5:15 PM CDT | Tornado Watch | SPC | Buena Vista, Calhoun, Cherokee, Clay, Crawford, Harrison and 10 more | 6 hr |
| Jul 18, 8:45 PM CDT | Tornado Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County13
- Greene County13
- Webster County13
- Boone County12
- Buena Vista County12
- Cerro Gordo County12
- Crawford County12
- Franklin County12
- Hamilton County12
- Humboldt County12
- Ida County12
- Monona County12
- Pocahontas County12
- Sac County12
- Story County12
- Carroll County11
- Cherokee County11
- Floyd County11
- Grundy County11
- Hardin County11
- Woodbury County11
- Wright County11
- Black Hawk County10
- Bremer County10
- Butler County10
- Chickasaw County10
- Clay County10
- Hancock County10
- O'Brien County10
- Plymouth County10
- Fremont County10
- Guthrie County10
- Marshall County10
- Buchanan County9
- Clayton County9
- Dickinson County9
- Fayette County9
- Kossuth County9
- Osceola County9
- Palo Alto County9
59 more counties
- Sioux County9
- Harrison County9
- Mills County9
- Montgomery County9
- Shelby County9
- Benton County9
- Jasper County9
- Tama County9
- Delaware County8
- Emmet County8
- Lyon County8
- Mitchell County8
- Winnebago County8
- Winneshiek County8
- Worth County8
- Adair County8
- Adams County8
- Audubon County8
- Cass County8
- Page County8
- Ringgold County8
- Taylor County8
- Union County8
- Dallas County8
- Iowa County8
- Linn County8
- Polk County8
- Poweshiek County8
- Allamakee County7
- Howard County7
- Davis County7
- Keokuk County7
- Mahaska County7
- Washington County7
- Johnson County7
- Appanoose County6
- Henry County6
- Jefferson County6
- Lee County6
- Louisa County6
- Marion County6
- Monroe County6
- Van Buren County6
- Wapello County6
- Wayne County6
- Decatur County6
- Pottawattamie County6
- Madison County6
- Cedar County6
- Jones County6
- Des Moines County5
- Lucas County5
- Clinton County5
- Dubuque County5
- Scott County5
- Clarke County4
- Warren County4
- Jackson County4
- Muscatine County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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. Rebuilt daily.