Alert archive / Missouri / Johnson County / 2009
Weather alerts in Johnson County, Missouri, April 2009
21 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
- 21
- Warnings
- 11
- Watches
- 3
- Advisories
- 4
- Busiest day
- April 27, 20095 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 2, 2:58 PM CDT | Frost Advisory | EAX | 18 hr |
| Apr 4, 6:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 5, 3:52 AM CDT | Freeze Warning | EAX | 29 hr |
| Apr 6, 3:35 AM CDT | Freeze Warning | EAX | 29 hr |
| Apr 10, 3:43 AM CDT | Frost Advisory | EAX | 28 hr |
| Apr 10, 6:28 PM CDT | River Flood Warning | EAX | 4 hr |
| Apr 13, 2:27 PM CDT | Frost Advisory | EAX | 18 hr |
| Apr 14, 3:20 AM CDT | Frost Advisory | EAX | 24 hr |
| Apr 19, 2:40 PM CDT | River Flood Warning | EAX | 15 hr |
| Apr 19, 3:33 PM CDT | River Flood Warning | EAX | 5 hr |
| Apr 25, 4:04 PM CDT | Flood Watch | EAX | 43 hr |
| Apr 26, 2:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 26, 11:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 27, 7:36 AM CDT | River Flood Warning | EAX | 4 days |
| Apr 27, 8:22 AM CDT | River Flood Warning | EAX | 4 days |
| Apr 27, 1:14 PM CDT | Flash Flood Warning | EAX | 6 hr |
| Apr 27, 6:42 PM CDT | Flash Flood Warning | EAX | 58 min |
| Apr 27, 7:29 PM CDT | Areal Flood Warning | EAX | 24 hr |
| Apr 29, 4:17 AM CDT | Flash Flood Watch | EAX | 24 hr |
| Apr 29, 4:34 PM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| Apr 30, 8:24 AM CDT | Flash Flood Watch | EAX | 8 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 | 1 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| River Flood Warning | 5 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 4 |
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.