Alert archive / Illinois / LaSalle County / 2012
Weather alerts in LaSalle County, Illinois, May 2012
39 weather alerts in May 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 39
- Warnings
- 15
- Watches
- 7
- Advisories
- 5
- Busiest day
- May 6, 20129 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 3, 3:53 PM CDT | Mesoscale Discussion | SPC | 37 min |
| May 3, 4:20 PM CDT | Tornado Watch | SPC | 8 hr |
| May 3, 6:33 PM CDT | Special Weather Statement | LOT | 27 min |
| May 3, 6:41 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 3, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | 68 min |
| May 3, 8:43 PM CDT | Flash Flood Watch | LOT | 7 hr |
| May 3, 10:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 3, 11:34 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 4, 12:34 AM CDT | Severe Thunderstorm Warning | LOT | 71 min |
| May 4, 12:46 AM CDT | Flash Flood Warning | LOT | 6 hr |
| May 4, 2:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| May 5, 3:29 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| May 6, 3:56 AM CDT | Flash Flood Watch | LOT | 27 hr |
| May 6, 1:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 6, 1:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 6, 3:31 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| May 6, 3:39 PM CDT | Flash Flood Warning | LOT | 6 hr |
| May 6, 3:42 PM CDT | Tornado Warning | LOT | 48 min |
| May 6, 3:43 PM CDT | Severe Thunderstorm Warning | LOT | 52 min |
| May 6, 3:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 6, 4:28 PM CDT | Severe Thunderstorm Warning | LOT | 32 min |
| May 6, 10:58 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| May 6, 11:22 PM CDT | Flash Flood Warning | LOT | 8 hr |
| May 7, 5:05 AM CDT | Areal Flood Advisory | LOT | 2 hr |
| May 7, 6:15 AM CDT | River Flood Warning | LOT | 5 days |
| May 7, 6:23 AM CDT | River Flood Advisory | LOT | 16 hr |
| May 7, 7:00 AM CDT | Areal Flood Warning | LOT | 22 hr |
| May 7, 8:18 AM CDT | River Flood Warning | LOT | 9 hr |
| May 7, 10:36 PM CDT | River Flood Warning | LOT | 46 hr |
| May 20, 1:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 20, 4:43 PM CDT | Special Weather Statement | LOT | 32 min |
| May 20, 5:03 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| May 20, 5:40 PM CDT | Special Weather Statement | LOT | 35 min |
| May 24, 4:17 AM CDT | Wind Advisory | LOT | 16 hr |
| May 24, 10:56 AM CDT | Red Flag Warning | LOT | 9 hr |
| May 28, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 28, 6:02 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 28, 7:58 PM CDT | Special Weather Statement | LOT | 47 min |
| May 28, 9:49 PM CDT | Special Weather Statement | LOT | 41 min |
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 | 6 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 5 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| River Flood Warning | 3 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 2 |
| River Flood Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.