Alert archive / Iowa / Johnson County / 2019
Weather alerts in Johnson County, Iowa, September 2019
23 weather alerts in September 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 23
- Warnings
- 2
- Watches
- 5
- Advisories
- 2
- Busiest day
- September 15, 20195 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 |
|---|---|---|---|
| Sep 9, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 9, 3:32 PM CDT | Tornado Watch | SPC | 6 hr |
| Sep 9, 11:10 PM CDT | Special Weather Statement | DVN | 35 min |
| Sep 10, 12:11 AM CDT | Severe Thunderstorm Warning | DVN | 64 min |
| Sep 12, 1:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 12, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 12, 6:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 12, 6:19 PM CDT | Severe Thunderstorm Warning | DVN | 41 min |
| Sep 12, 7:11 PM CDT | Special Weather Statement | DVN | 49 min |
| Sep 14, 8:22 PM CDT | Special Weather Statement | DVN | 38 min |
| Sep 14, 8:53 PM CDT | Special Weather Statement | DVN | 37 min |
| Sep 14, 9:25 PM CDT | Special Weather Statement | DVN | 50 min |
| Sep 15, 12:10 AM CDT | Special Weather Statement | DVN | 65 min |
| Sep 15, 2:04 AM CDT | Special Weather Statement | DVN | 41 min |
| Sep 15, 9:07 PM CDT | Dense Fog Advisory | DVN | 13 hr |
| Sep 18, 4:12 PM CDT | Special Weather Statement | DVN | 48 min |
| Sep 20, 4:07 AM CDT | Flash Flood Watch | DVN | 63 hr |
| Sep 23, 5:17 AM CDT | Dense Fog Advisory | DVN | 3 hr |
| Sep 27, 3:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 27, 4:00 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 27, 6:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 28, 8:20 PM CDT | Special Weather Statement | DVN | 25 min |
| Sep 30, 2:39 PM CDT | Flash Flood Watch | DVN | 39 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 | 2 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.