Alert archive / Iowa / 1987
Weather alerts in Iowa, August 1987
47 weather alerts in August 1987, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in August 1987. Tap one for its archive.
- Alerts
- 47
- Warnings
- 47
- Watches
- 0
- Advisories
- 0
- Busiest day
- August 16, 198717 alerts
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 |
|---|---|---|---|---|
| Aug 3, 2:59 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 16 min |
| Aug 3, 3:17 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 43 min |
| Aug 3, 3:46 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 59 min |
| Aug 3, 4:14 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 31 min |
| Aug 3, 4:14 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 61 min |
| Aug 3, 4:43 PM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Van Buren | 39 min |
| Aug 7, 8:52 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 68 min |
| Aug 8, 12:02 AM CDT | Flash Flood Warning | OAX | Pottawattamie | 4 hr |
| Aug 8, 4:28 PM CDT | Tornado Warning | DVN | Muscatine | 62 min |
| Aug 8, 4:36 PM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Washington | 29 min |
| Aug 16, 12:19 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 56 min |
| Aug 16, 12:59 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 61 min |
| Aug 16, 1:05 AM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 55 min |
| Aug 16, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 28 min |
| Aug 16, 3:49 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 14 min |
| Aug 16, 3:49 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 41 min |
| Aug 16, 4:26 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 39 min |
| Aug 16, 4:35 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 25 min |
| Aug 16, 4:52 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 53 min |
| Aug 16, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Linn | 49 min |
| Aug 16, 5:11 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 42 min |
| Aug 16, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Washington | 36 min |
| Aug 16, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Jefferson | 28 min |
| Aug 16, 5:22 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton | 38 min |
| Aug 16, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 50 min |
| Aug 16, 6:12 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 33 min |
| Aug 16, 6:48 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 42 min |
| Aug 17, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 25 min |
| Aug 17, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 25 min |
| Aug 17, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Story | 45 min |
| Aug 17, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 25 min |
| Aug 17, 6:57 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 63 min |
| Aug 17, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Poweshiek | 22 min |
| Aug 17, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 45 min |
| Aug 19, 2:20 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 55 min |
| Aug 21, 12:06 AM CDT | Severe Thunderstorm Warning | DMX | Linn | 34 min |
| Aug 21, 12:32 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 43 min |
| Aug 21, 12:39 AM CDT | Severe Thunderstorm Warning | DVN | Cedar | 21 min |
| Aug 21, 1:02 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 38 min |
| Aug 21, 1:49 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 26 min |
| Aug 21, 2:18 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 42 min |
| Aug 21, 3:31 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 29 min |
| Aug 21, 4:01 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 59 min |
| Aug 21, 4:57 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 33 min |
| Aug 21, 5:28 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 47 min |
| Aug 21, 5:53 AM CDT | Flash Flood Warning | DVN | Scott | 3 hr |
| Aug 25, 7:35 AM CDT | Flash Flood Warning | OAX | Mills, Montgomery | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 43 |
| Tornado Warning | 1 |
| Flooding | |
| Flash Flood Warning | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Scott County9
- Cedar County5
- Clinton County4
- Jefferson County3
- Pottawattamie County2
- Muscatine County2
- Washington County2
- Marshall County2
- Benton County2
- Linn County2
- Poweshiek County2
- Jones County2
- Jasper County2
- Montgomery County2
- Wayne County1
- Wapello County1
- Appanoose County1
- Davis County1
- Van Buren County1
- Sioux County1
- Osceola County1
- Dickinson County1
- Tama County1
- Jackson County1
- Calhoun County1
- Carroll County1
- Greene County1
- Webster County1
- Story County1
- Boone County1
- Polk County1
- Marion County1
- Mahaska County1
- Page County1
- Mills County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19861988
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.