Alert archive / Iowa / Clay County / 2018
Weather alerts in Clay County, Iowa, September 2018
22 weather alerts in September 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 22
- Warnings
- 15
- Watches
- 3
- Advisories
- 1
- Busiest day
- September 20, 201812 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 |
|---|---|---|---|
| Sep 4, 4:01 AM CDT | Flash Flood Watch | FSD | 17 hr |
| Sep 4, 2:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 5, 3:29 AM CDT | River Flood Warning | FSD | 7 hr |
| Sep 6, 2:16 AM CDT | River Flood Warning | FSD | 51 hr |
| Sep 6, 8:19 AM CDT | River Flood Warning | FSD | 5 days |
| Sep 19, 2:40 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 19, 10:31 AM CDT | Flash Flood Watch | FSD | 26 hr |
| Sep 19, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | 12 min |
| Sep 20, 4:35 AM CDT | Flash Flood Warning | FSD | 5 hr |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | 8 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | 12 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | 14 days |
| Sep 20, 6:49 AM CDT | River Flood Warning | FSD | 32 days |
| Sep 20, 9:15 AM CDT | River Flood Warning | FSD | 42 hr |
| Sep 20, 9:30 AM CDT | Flash Flood Warning | FSD | 3 hr |
| Sep 20, 12:39 PM CDT | Areal Flood Warning | FSD | 12 hr |
| Sep 20, 2:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 20, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 20, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | 28 min |
| Sep 21, 12:31 AM CDT | Areal Flood Warning | FSD | 24 hr |
| Sep 22, 12:35 AM CDT | Areal Flood Warning | FSD | 24 hr |
| Sep 28, 12:05 PM CDT | Frost Advisory | FSD | 19 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 | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| River Flood Warning | 8 |
| Flash Flood Watch | 2 |
| Cold | |
| Frost 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.