Alert archive / Illinois / LaSalle County / 2009
Weather alerts in LaSalle County, Illinois, February 2009
16 weather alerts in February 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 6
- Watches
- 4
- Advisories
- 6
- Busiest day
- February 11, 20094 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 |
|---|---|---|---|
| Feb 9, 1:45 PM CST | River Flood Warning | LOT | 24 hr |
| Feb 10, 4:00 AM CST | Flood Watch | LOT | 41 hr |
| Feb 10, 5:19 PM CST | Areal Flood Advisory | LOT | 121 days |
| Feb 11, 1:31 AM CST | Dense Fog Advisory | LOT | 7 hr |
| Feb 11, 9:23 AM CST | River Flood Warning | LOT | 36 hr |
| Feb 11, 10:52 AM CST | River Flood Advisory | LOT | 47 hr |
| Feb 11, 11:43 AM CST | River Flood Warning | LOT | 6 days |
| Feb 19, 1:38 PM CST | Winter Storm Watch | LOT | 14 hr |
| Feb 20, 3:41 AM CST | Winter Storm Warning | LOT | 34 hr |
| Feb 20, 3:41 AM CST | Winter Weather Advisory | LOT | 41 hr |
| Feb 26, 3:50 AM CST | Dense Fog Advisory | LOT | 11 hr |
| Feb 26, 10:41 AM CST | River Flood Watch | LOT | 19 hr |
| Feb 26, 7:02 PM CST | Areal Flood Advisory | LOT | 110 days |
| Feb 26, 8:33 PM CST | River Flood Watch | LOT | 9 hr |
| Feb 27, 5:43 AM CST | River Flood Warning | LOT | 38 hr |
| Feb 27, 5:43 AM CST | River Flood Warning | LOT | 5 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| River Flood Warning | 5 |
| Flood Watch | 1 |
| River Flood Watch | 2 |
| Areal Flood Advisory | 2 |
| River Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Fog and smoke | |
| Dense Fog 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.