Alert archive / Nebraska / Johnson County / 2018
Weather alerts in Johnson County, Nebraska, September 2018
17 weather alerts in September 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 17
- Warnings
- 3
- Watches
- 6
- Advisories
- 2
- Busiest day
- September 1, 20184 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 31, 8:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 1, 4:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 1, 5:15 PM CDT | Flash Flood Watch | OAX | 44 hr |
| Sep 1, 6:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 1, 9:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Sep 2, 8:45 PM CDT | Special Weather Statement | OAX | 30 min |
| Sep 2, 11:40 PM CDT | Areal Flood Advisory | OAX | 6 hr |
| Sep 3, 1:06 PM CDT | Flash Flood Watch | OAX | 45 hr |
| Sep 4, 1:55 AM CDT | Areal Flood Advisory | OAX | 7 hr |
| Sep 4, 6:22 AM CDT | Flash Flood Watch | OAX | 28 hr |
| Sep 18, 4:13 PM CDT | Severe Thunderstorm Warning | OAX | 32 min |
| Sep 20, 2:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 20, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 20, 5:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Sep 20, 8:02 PM CDT | Severe Thunderstorm Warning | OAX | 28 min |
| Sep 20, 8:24 PM CDT | Severe Thunderstorm Warning | OAX | 36 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 | 3 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 2 |
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. Rebuilt daily.