Alert archive / Iowa / Johnson County / 2020
Weather alerts in Johnson County, Iowa, July 2020
20 weather alerts in July 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 5
- Watches
- 3
- Advisories
- 3
- Busiest day
- July 9, 20207 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 |
|---|---|---|---|
| Jul 7, 2:38 PM CDT | Heat Advisory | DVN | 28 hr |
| Jul 9, 10:24 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 9, 11:05 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 9, 2:51 PM CDT | Special Weather Statement | DVN | 24 min |
| Jul 9, 2:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 9, 3:21 PM CDT | Special Weather Statement | DVN | 24 min |
| Jul 9, 3:56 PM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| Jul 9, 5:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 11, 9:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 11, 10:04 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 11, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 11, 5:25 PM CDT | Severe Thunderstorm Warning | DVN | 50 min |
| Jul 11, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | 38 min |
| Jul 11, 6:09 PM CDT | Severe Thunderstorm Warning | DVN | 51 min |
| Jul 11, 6:46 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| Jul 11, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 17, 3:04 AM CDT | Heat Advisory | DVN | 41 hr |
| Jul 25, 2:30 AM CDT | Heat Advisory | DVN | 41 hr |
| Jul 26, 6:00 PM CDT | Special Weather Statement | DVN | 45 min |
| Jul 26, 6:50 PM CDT | Special Weather Statement | DVN | 55 min |
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 | 5 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 4 |
| Heat | |
| Heat Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.