Alert archive / Illinois / Warren County / 2009
Weather alerts in Warren County, Illinois, December 2009
11 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
- 11
- Warnings
- 1
- Watches
- 2
- Advisories
- 4
- Busiest day
- December 8, 20093 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 6, 3:14 PM CST | Winter Storm Watch | DVN | 25 hr |
| Dec 7, 3:45 PM CST | Winter Storm Warning | DVN | 50 hr |
| Dec 8, 11:22 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 8, 2:31 PM CST | Special Weather Statement | DVN | 3 hr |
| Dec 8, 3:53 PM CST | Special Weather Statement | DVN | 2 hr |
| Dec 9, 10:22 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 9, 3:41 PM CST | Winter Weather Advisory | DVN | 12 hr |
| Dec 10, 3:16 AM CST | Wind Chill Advisory | DVN | 9 hr |
| Dec 14, 3:32 AM CST | Dense Fog Advisory | DVN | 8 hr |
| Dec 22, 3:47 PM CST | Flood Watch | DVN | 62 hr |
| Dec 27, 2:30 AM CST | Winter Weather Advisory | DVN | 12 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 | |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 2 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Cold | |
| Wind Chill Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 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.