Alert archive / Illinois / LaSalle County / 2009
Weather alerts in LaSalle County, Illinois, March 2009
18 weather alerts in March 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 18
- Warnings
- 9
- Watches
- 3
- Advisories
- 4
- Busiest day
- March 8, 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 |
|---|---|---|---|
| Mar 6, 3:28 PM CST | Flash Flood Watch | LOT | 48 hr |
| Mar 7, 12:19 PM CST | River Flood Warning | LOT | 9 days |
| Mar 7, 12:19 PM CST | River Flood Warning | LOT | 43 days |
| Mar 8, 4:03 AM CDT | Areal Flood Warning | LOT | 30 hr |
| Mar 8, 6:14 AM CDT | River Flood Warning | LOT | 5 days |
| Mar 8, 7:11 AM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Mar 8, 9:13 AM CDT | Wind Advisory | LOT | 12 hr |
| Mar 8, 11:18 AM CDT | River Flood Warning | LOT | 4 days |
| Mar 9, 3:39 AM CDT | Flash Flood Watch | LOT | 24 hr |
| Mar 10, 2:03 AM CDT | Areal Flood Warning | LOT | 36 hr |
| Mar 10, 3:37 AM CDT | Wind Advisory | LOT | 27 hr |
| Mar 24, 4:08 AM CDT | Wind Advisory | LOT | 16 hr |
| Mar 24, 10:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 24, 10:48 PM CDT | Severe Thunderstorm Warning | LOT | 42 min |
| Mar 27, 12:58 PM CDT | Winter Storm Watch | LOT | 19 hr |
| Mar 28, 3:40 AM CDT | Winter Storm Warning | LOT | 24 hr |
| Mar 29, 3:11 AM CDT | Winter Weather Advisory | LOT | 8 hr |
| Mar 29, 3:42 AM CDT | Mesoscale Discussion | SPC | 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 | 2 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 4 |
| Flash Flood Watch | 2 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| Wind 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.