Alert archive / Nebraska / Johnson County / 2009
Weather alerts in Johnson County, Nebraska, April 2009
20 weather alerts in April 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 3
- Watches
- 5
- Advisories
- 6
- Busiest day
- April 26, 200912 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 |
|---|---|---|---|
| Apr 4, 3:00 AM CDT | Wind Advisory | OAX | 16 hr |
| Apr 4, 1:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 2:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 3:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 5, 3:30 AM CDT | Winter Weather Advisory | OAX | 13 hr |
| Apr 5, 11:39 AM CDT | Wind Advisory | OAX | 7 hr |
| Apr 20, 11:02 AM CDT | Wind Advisory | OAX | 8 hr |
| Apr 20, 2:01 PM CDT | Red Flag Warning | OAX | 5 hr |
| Apr 25, 10:09 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 26, 3:30 AM CDT | Flash Flood Watch | OAX | 14 hr |
| Apr 26, 9:18 AM CDT | Mesoscale Discussion | SPC | 27 min |
| Apr 26, 9:34 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 26, 11:52 AM CDT | Severe Thunderstorm Warning | OAX | 38 min |
| Apr 26, 12:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 12:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 26, 12:48 PM CDT | Areal Flood Advisory | OAX | 6 hr |
| Apr 26, 12:48 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 26, 12:59 PM CDT | Areal Flood Advisory | OAX | 6 hr |
| Apr 26, 1:52 PM CDT | Severe Thunderstorm Warning | OAX | 38 min |
| Apr 26, 2:41 PM CDT | Mesoscale Discussion | SPC | 3 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 | 3 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 6 |
| Flooding | |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.