Alert archive / Iowa / Johnson County / 2018
Weather alerts in Johnson County, Iowa, February 2018
16 weather alerts in February 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 3
- Watches
- 2
- Advisories
- 9
- Busiest day
- February 20, 20184 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 |
|---|---|---|---|
| Feb 4, 1:53 PM CST | Winter Weather Advisory | DVN | 32 hr |
| Feb 5, 11:36 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 7, 1:54 PM CST | Winter Storm Watch | DVN | 13 hr |
| Feb 8, 2:59 AM CST | Winter Storm Warning | DVN | 30 hr |
| Feb 8, 2:59 AM CST | Winter Weather Advisory | DVN | 39 hr |
| Feb 9, 3:09 PM CST | Winter Weather Advisory | DVN | 18 hr |
| Feb 10, 3:14 PM CST | Winter Weather Advisory | DVN | 18 hr |
| Feb 14, 5:42 PM CST | Dense Fog Advisory | DVN | 20 hr |
| Feb 18, 2:28 AM CST | Dense Fog Advisory | DVN | 8 hr |
| Feb 19, 1:39 PM CST | Dense Fog Advisory | DVN | 13 hr |
| Feb 20, 7:39 AM CST | River Flood Warning | DVN | 62 hr |
| Feb 20, 9:02 AM CST | Special Weather Statement | DVN | 43 min |
| Feb 20, 9:37 AM CST | Flood Watch | DVN | 6 hr |
| Feb 20, 3:19 PM CST | River Flood Warning | DVN | 58 hr |
| Feb 22, 3:23 AM CST | Winter Weather Advisory | DVN | 9 hr |
| Feb 23, 3:13 PM CST | Winter Weather Advisory | DVN | 20 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 | |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 1 |
| Flooding | |
| River Flood Warning | 2 |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
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. Rebuilt daily.