Alert archive / Mississippi / Simpson County / 2009
Weather alerts in Simpson County, Mississippi, December 2009
28 weather alerts in December 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 28
- Warnings
- 4
- Watches
- 6
- Advisories
- 9
- Busiest day
- December 24, 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 |
|---|---|---|---|
| Dec 2, 9:03 AM CST | Lake Wind Advisory | JAN | 9 hr |
| Dec 3, 3:49 PM CST | Winter Storm Watch | JAN | 12 hr |
| Dec 4, 4:00 AM CST | Winter Weather Advisory | JAN | 23 hr |
| Dec 4, 12:13 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 4, 5:22 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 4, 9:05 PM CST | Winter Storm Warning | JAN | 6 hr |
| Dec 4, 11:18 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 7, 3:19 PM CST | Lake Wind Advisory | JAN | 48 hr |
| Dec 8, 12:12 PM CST | Mesoscale Discussion | SPC | 93 min |
| Dec 8, 1:25 PM CST | Tornado Watch | SPC | 8 hr |
| Dec 8, 5:39 PM CST | Tornado Warning | JAN | 51 min |
| Dec 8, 5:49 PM CST | Tornado Warning | JAN | 39 min |
| Dec 8, 8:08 PM CST | Mesoscale Discussion | SPC | 97 min |
| Dec 8, 8:33 PM CST | Tornado Watch | SPC | 5 hr |
| Dec 13, 3:37 PM CST | Dense Fog Advisory | JAN | 17 hr |
| Dec 13, 3:49 PM CST | Flash Flood Watch | JAN | 47 hr |
| Dec 14, 9:03 AM CST | Dense Fog Advisory | JAN | 57 min |
| Dec 14, 10:08 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 18, 5:42 AM CST | River Flood Warning | JAN | 6 hr |
| Dec 22, 3:28 PM CST | Lake Wind Advisory | JAN | 43 hr |
| Dec 23, 4:31 AM CST | Flash Flood Watch | JAN | 37 hr |
| Dec 23, 3:03 PM CST | Wind Advisory | JAN | 36 hr |
| Dec 24, 9:34 AM CST | Mesoscale Discussion | SPC | 56 min |
| Dec 24, 10:13 AM CST | Mesoscale Discussion | SPC | 62 min |
| Dec 24, 10:37 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 24, 1:14 PM CST | Mesoscale Discussion | SPC | 61 min |
| Dec 24, 5:00 PM CST | Lake Wind Advisory | JAN | 21 hr |
| Dec 30, 5:30 PM CST | Dense Fog Advisory | JAN | 15 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 | |
| Tornado Warning | 2 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 9 |
| Flooding | |
| River Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 4 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
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.