Alert archive / Iowa / Sioux County / 2018
Weather alerts in Sioux County, Iowa, July 2018
9 weather alerts in July 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 9
- Warnings
- 4
- Watches
- 2
- Advisories
- 3
- Busiest day
- July 4, 20183 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 3, 11:11 AM CDT | River Flood Warning | FSD | 4 days |
| Jul 4, 4:16 AM CDT | Heat Advisory | FSD | 16 hr |
| Jul 4, 9:37 AM CDT | River Flood Warning | FSD | 24 hr |
| Jul 4, 5:35 PM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jul 10, 2:39 PM CDT | Heat Advisory | FSD | 53 hr |
| Jul 12, 4:47 AM CDT | Flash Flood Watch | FSD | 26 hr |
| Jul 12, 5:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 9:50 AM CDT | River Flood Warning | FSD | 5 days |
| Jul 15, 6:18 AM CDT | Dense Fog Advisory | FSD | 3 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 | 1 |
| Severe Thunderstorm Watch | 1 |
| Flooding | |
| River Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Heat | |
| Heat Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.