Alert archive / Iowa / Sioux County / 2021
Weather alerts in Sioux County, Iowa, July 2021
15 weather alerts in July 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 4
- Watches
- 3
- Advisories
- 4
- Busiest day
- July 9, 20216 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 | Lasted |
|---|---|---|---|
| Jul 5, 3:24 AM CDT | Heat Advisory | FSD | 17 hr |
| Jul 5, 5:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 6, 2:01 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 5:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 8, 9:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 8, 11:50 PM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jul 9, 12:44 AM CDT | Severe Thunderstorm Warning | FSD | 46 min |
| Jul 9, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | 44 min |
| Jul 9, 2:15 AM CDT | Severe Thunderstorm Warning | FSD | 45 min |
| Jul 9, 2:41 AM CDT | Mesoscale Discussion | SPC | 34 min |
| Jul 26, 3:11 AM CDT | Excessive Heat Watch | FSD | 35 hr |
| Jul 26, 3:11 AM CDT | Heat Advisory | FSD | 42 hr |
| Jul 27, 2:22 PM CDT | Heat Advisory | FSD | 31 hr |
| Jul 31, 1:02 AM CDT | Dense Fog Advisory | FSD | 8 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 | 4 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 4 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.