Alert archive / Iowa / Johnson County / 2018
Weather alerts in Johnson County, Iowa, June 2018
30 weather alerts in June 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 30
- Warnings
- 5
- Watches
- 5
- Advisories
- 2
- Busiest day
- June 21, 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 |
|---|---|---|---|
| Jun 9, 6:39 AM CDT | Special Weather Statement | DVN | 51 min |
| Jun 9, 7:23 AM CDT | Special Weather Statement | DVN | 37 min |
| Jun 9, 8:02 AM CDT | Special Weather Statement | DVN | 43 min |
| Jun 9, 8:47 AM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| Jun 9, 9:32 AM CDT | Special Weather Statement | DVN | 43 min |
| Jun 9, 6:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 7:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 8:52 PM CDT | River Flood Watch | DVN | 8 days |
| Jun 9, 10:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 9, 11:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 9:55 AM CDT | Special Weather Statement | DVN | 50 min |
| Jun 12, 11:17 AM CDT | River Flood Warning | DVN | 4 days |
| Jun 12, 6:31 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 3:25 AM CDT | Heat Advisory | DVN | 4 days |
| Jun 17, 3:01 PM CDT | Excessive Heat Warning | DVN | 28 hr |
| Jun 20, 6:36 AM CDT | Special Weather Statement | DVN | 24 min |
| Jun 20, 10:09 AM CDT | River Flood Watch | DVN | 34 hr |
| Jun 20, 1:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 3:04 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 20, 3:10 PM CDT | Severe Thunderstorm Warning | DVN | 65 min |
| Jun 20, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 3:47 AM CDT | Flash Flood Watch | DVN | 23 hr |
| Jun 21, 11:16 AM CDT | Special Weather Statement | DVN | 3 hr |
| Jun 21, 11:40 AM CDT | Special Weather Statement | DVN | 20 min |
| Jun 21, 12:02 PM CDT | Special Weather Statement | DVN | 118 min |
| Jun 21, 12:11 PM CDT | Special Weather Statement | DVN | 49 min |
| Jun 21, 1:22 PM CDT | Special Weather Statement | DVN | 53 min |
| Jun 21, 3:01 PM CDT | Special Weather Statement | DVN | 119 min |
| Jun 27, 3:11 PM CDT | Heat Advisory | DVN | 24 hr |
| Jun 28, 3:31 PM CDT | Excessive Heat Warning | DVN | 54 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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.