Alert archive / Iowa / Webster County / 2018
Weather alerts in Webster County, Iowa, September 2018
19 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
- 19
- Warnings
- 5
- Watches
- 5
- Advisories
- 1
- Busiest day
- September 20, 20187 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 1, 4:38 AM CDT | Flash Flood Watch | DMX | 24 hr |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Sep 4, 3:33 AM CDT | Flash Flood Watch | DMX | 27 hr |
| Sep 4, 2:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 3:35 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 4, 6:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 19, 2:40 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 19, 7:55 AM CDT | Special Weather Statement | DMX | 65 min |
| Sep 20, 4:57 AM CDT | River Flood Watch | DMX | 24 hr |
| Sep 20, 11:23 AM CDT | River Flood Warning | DMX | 7 days |
| Sep 20, 2:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 20, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 20, 5:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Sep 20, 6:25 PM CDT | Severe Thunderstorm Warning | DMX | 50 min |
| Sep 20, 6:41 PM CDT | Severe Thunderstorm Warning | DMX | 34 min |
| Sep 20, 8:43 PM CDT | Special Weather Statement | DMX | 62 min |
| Sep 21, 10:37 AM CDT | River Flood Warning | DMX | 5 days |
| Sep 23, 5:19 AM CDT | River Flood Warning | DMX | 34 hr |
| Sep 28, 3:00 AM CDT | Frost Advisory | DMX | 29 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 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 2 |
| Flooding | |
| River Flood Warning | 3 |
| Flash Flood Watch | 2 |
| River Flood Watch | 1 |
| 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.