Alert archive / Iowa / Johnson County / 2020
Weather alerts in Johnson County, Iowa, August 2020
10 weather alerts in August 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 10
- Warnings
- 3
- Watches
- 2
- Advisories
- 2
- Busiest day
- August 10, 20206 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 |
|---|---|---|---|
| Aug 10, 10:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 10, 11:26 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 11:48 AM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| Aug 10, 12:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 10, 12:34 PM CDT | Severe Thunderstorm Warning | DVN | 56 min |
| Aug 10, 12:42 PM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| Aug 24, 12:18 PM CDT | Heat Advisory | DVN | 7 hr |
| Aug 25, 3:07 AM CDT | Heat Advisory | DVN | 16 hr |
| Aug 28, 2:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 28, 3:16 PM CDT | Severe Thunderstorm Watch | SPC | 4 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 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 3 |
| Heat | |
| Heat Advisory | 2 |
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. Rebuilt daily.