Alert archive / Iowa / Harrison County
Weather alerts in Harrison County, Iowa, 1999
32 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Harrison County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 32
- Warnings
- 19
- Watches
- 13
- Advisories
- 0
- Busiest month
- May10 alerts
- Busiest day
- May 16, 19998 alerts
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 | Lasted |
|---|---|---|---|
| Apr 8, 9:41 AM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Apr 8, 1:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 8, 2:10 PM CDT | Severe Thunderstorm Warning | OAX | 50 min |
| Apr 8, 2:23 PM CDT | Tornado Warning | OAX | 32 min |
| Apr 8, 2:53 PM CDT | Tornado Warning | OAX | 32 min |
| Apr 8, 3:26 PM CDT | Severe Thunderstorm Warning | OAX | 34 min |
| May 10, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 16, 1:05 AM CDT | Severe Thunderstorm Warning | OAX | 30 min |
| May 16, 6:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 2:57 PM CDT | Severe Thunderstorm Warning | OAX | 48 min |
| May 16, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
| May 16, 3:07 PM CDT | Tornado Warning | OAX | 33 min |
| May 16, 3:37 PM CDT | Tornado Warning | OAX | 48 min |
| May 16, 4:22 PM CDT | Tornado Warning | OAX | 48 min |
| May 16, 5:11 PM CDT | Tornado Warning | OAX | 34 min |
| May 22, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 4, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 5:15 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 6, 2:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 9, 5:38 PM CDT | Severe Thunderstorm Warning | OAX | 62 min |
| Jun 27, 3:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 5:19 AM CDT | Flash Flood Warning | OAX | 3 hr |
| Jun 27, 8:25 AM CDT | Flash Flood Warning | OAX | 3 hr |
| Jul 2, 9:45 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 2, 11:41 AM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jul 2, 11:55 AM CDT | Tornado Warning | OAX | 35 min |
| Jul 2, 12:15 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 8, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 19, 7:15 PM CDT | Severe Thunderstorm Warning | OAX | 50 min |
| Aug 7, 12:03 AM CDT | Flash Flood Warning | OAX | 6 hr |
| Aug 7, 5:06 AM CDT | Flash Flood Warning | OAX | 5 hr |
| Sep 7, 5:15 PM CDT | Tornado Watch | SPC | 6 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 | 8 |
| Tornado Warning | 7 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 6 |
| Flooding | |
| Flash Flood Warning | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.