Alert archive / Iowa / Johnson County / 2011
Weather alerts in Johnson County, Iowa, June 2011
29 weather alerts in June 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 29
- Warnings
- 12
- Watches
- 5
- Advisories
- 2
- Busiest day
- June 9, 20115 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 5, 6:22 AM CDT | Severe Thunderstorm Warning | DVN | 53 min |
| Jun 5, 5:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 6, 3:28 AM CDT | Heat Advisory | DVN | 64 hr |
| Jun 8, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 8, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 8, 8:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 8, 8:57 PM CDT | Severe Thunderstorm Warning | DVN | 63 min |
| Jun 8, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| Jun 9, 1:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 3:12 AM CDT | Flash Flood Watch | DVN | 28 hr |
| Jun 10, 2:26 AM CDT | Flash Flood Warning | DVN | 5 hr |
| Jun 10, 6:53 AM CDT | River Flood Warning | DVN | 59 hr |
| Jun 10, 9:04 AM CDT | River Flood Warning | DVN | 5 days |
| Jun 10, 10:40 AM CDT | River Flood Warning | DVN | 24 hr |
| Jun 13, 1:46 PM CDT | Special Weather Statement | DVN | 59 min |
| Jun 15, 2:29 AM CDT | Special Weather Statement | DVN | 2 hr |
| Jun 15, 2:38 AM CDT | River Flood Warning | DVN | 55 hr |
| Jun 15, 6:45 AM CDT | River Flood Warning | DVN | 14 hr |
| Jun 19, 11:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 20, 1:51 AM CDT | Special Weather Statement | DVN | 39 min |
| Jun 20, 4:08 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 20, 5:52 AM CDT | Special Weather Statement | DVN | 53 min |
| Jun 20, 2:55 PM CDT | River Flood Warning | DVN | 30 hr |
| Jun 21, 1:25 AM CDT | Mesoscale Discussion | SPC | 35 min |
| Jun 22, 8:35 PM CDT | River Flood Warning | DVN | 38 hr |
| Jun 26, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 26, 10:48 PM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| Jun 29, 3:18 PM CDT | Excessive Heat Watch | DVN | 13 hr |
| Jun 30, 3:55 AM CDT | Heat Advisory | DVN | 44 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 | 4 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 7 |
| Flash Flood Watch | 1 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.