Alert archive / Iowa / Johnson County / 2017
Weather alerts in Johnson County, Iowa, May 2017
19 weather alerts in May 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 19
- Warnings
- 7
- Watches
- 4
- Advisories
- 2
- Busiest day
- May 17, 201710 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 |
|---|---|---|---|
| Apr 30, 7:25 PM CDT | Special Weather Statement | DVN | 65 min |
| Apr 30, 8:14 PM CDT | Special Weather Statement | DVN | 61 min |
| May 2, 3:16 AM CDT | Frost Advisory | DVN | 28 hr |
| May 3, 9:57 AM CDT | River Flood Watch | DVN | 57 hr |
| May 17, 1:23 AM CDT | Special Weather Statement | DVN | 37 min |
| May 17, 3:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 17, 3:44 PM CDT | Tornado Watch | SPC | 9 hr |
| May 17, 4:23 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| May 17, 5:50 PM CDT | Severe Thunderstorm Warning | DVN | 55 min |
| May 17, 6:05 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 17, 6:19 PM CDT | Tornado Warning | DVN | 41 min |
| May 17, 6:28 PM CDT | Flash Flood Warning | DVN | 3 hr |
| May 17, 6:31 PM CDT | Severe Thunderstorm Warning | DVN | 59 min |
| May 17, 6:48 PM CDT | Tornado Warning | DVN | 42 min |
| May 19, 11:39 AM CDT | River Flood Watch | DVN | 4 days |
| May 19, 11:39 AM CDT | River Flood Watch | DVN | 4 days |
| May 19, 8:50 PM CDT | River Flood Warning | DVN | 67 hr |
| May 20, 8:06 PM CDT | Special Weather Statement | DVN | 24 min |
| May 27, 1:53 AM CDT | Dense Fog Advisory | DVN | 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 | 3 |
| Tornado Warning | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| River Flood Watch | 3 |
| Cold | |
| Frost Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.