Alert archive / Missouri / Jefferson County / 2009
Weather alerts in Jefferson County, Missouri, May 2009
23 weather alerts in May 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 23
- Warnings
- 10
- Watches
- 6
- Advisories
- 2
- Busiest day
- May 8, 20096 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 |
|---|---|---|---|
| May 7, 9:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 7, 10:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 7, 11:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 8, 9:37 AM CDT | Severe Thunderstorm Warning | LSX | 38 min |
| May 8, 10:02 AM CDT | Severe Thunderstorm Warning | LSX | 43 min |
| May 8, 11:01 AM CDT | Flash Flood Warning | LSX | 6 hr |
| May 8, 8:44 PM CDT | River Flood Warning | LSX | 71 hr |
| May 9, 8:53 AM CDT | River Flood Warning | LSX | 4 days |
| May 9, 8:53 AM CDT | River Flood Warning | LSX | 4 days |
| May 9, 8:53 AM CDT | River Flood Warning | LSX | 4 days |
| May 13, 1:15 PM CDT | Mesoscale Discussion | SPC | 30 min |
| May 13, 3:00 PM CDT | Tornado Watch | SPC | 5 hr |
| May 13, 3:04 PM CDT | Flash Flood Watch | LSX | 12 hr |
| May 13, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 11:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 14, 12:23 AM CDT | Severe Thunderstorm Warning | LSX | 52 min |
| May 14, 3:51 PM CDT | Flash Flood Watch | LSX | 32 hr |
| May 15, 2:39 PM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 12:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 27, 4:03 PM CDT | Areal Flood Advisory | LSX | 4 hr |
| May 27, 4:06 PM CDT | Severe Thunderstorm Warning | LSX | 39 min |
| May 27, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | 39 min |
| May 27, 5:50 PM CDT | Areal Flood Advisory | LSX | 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 | 5 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 5 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 4 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 2 |
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.