Alert archive / Illinois / Lake County
Weather alerts in Lake County, Illinois, 2009
146 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lake County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 146
- Warnings
- 41
- Watches
- 36
- Advisories
- 48
- Busiest month
- June29 alerts
- Busiest day
- June 19, 200917 alerts
Over time
By month
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 |
|---|---|---|---|
| Jan 8, 2:53 PM CST | Winter Weather Advisory | LOT | 51 hr |
| Jan 12, 4:21 AM CST | Blizzard Watch | LOT | 7 hr |
| Jan 12, 4:21 AM CST | Winter Weather Advisory | LOT | 28 hr |
| Jan 12, 11:49 AM CST | Blizzard Warning | LOT | 16 hr |
| Jan 12, 3:40 PM CST | Blizzard Watch | LOT | 19 hr |
| Jan 13, 2:07 PM CST | Wind Chill Watch | LOT | 13 hr |
| Jan 13, 3:02 PM CST | Winter Weather Advisory | LOT | 33 hr |
| Jan 13, 11:38 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 14, 3:23 AM CST | Wind Chill Warning | LOT | 57 hr |
| Jan 16, 3:08 PM CST | Wind Chill Advisory | LOT | 9 hr |
| Feb 2, 3:31 PM CST | Lake Effect Snow Advisory | LOT | 29 hr |
| Feb 8, 10:20 AM CST | River Flood Warning | MKX | 8 days |
| Feb 9, 3:53 AM CST | Freezing Fog Advisory | LOT | 5 hr |
| Feb 10, 4:00 AM CST | Flood Watch | LOT | 41 hr |
| Feb 11, 1:31 AM CST | Dense Fog Advisory | LOT | 7 hr |
| Feb 11, 9:23 AM CST | River Flood Warning | LOT | 4 days |
| Feb 18, 4:13 AM CST | Dense Fog Advisory | LOT | 5 hr |
| 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 20, 11:57 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 26, 9:22 AM CST | River Flood Watch | MKX | 22 hr |
| Feb 26, 8:22 PM CST | River Flood Warning | MKX | 3 days |
| Feb 27, 10:03 AM CST | River Flood Warning | LOT | 34 hr |
| Mar 5, 8:12 PM CST | River Flood Watch | MKX | 25 hr |
| Mar 6, 5:29 AM CST | Dense Fog Advisory | LOT | 5 hr |
| Mar 6, 3:28 PM CST | Flash Flood Watch | LOT | 48 hr |
| Mar 6, 9:25 PM CST | River Flood Warning | MKX | 13 days |
| Mar 8, 4:03 AM CDT | Areal Flood Warning | LOT | 30 hr |
| Mar 8, 6:25 AM CDT | River Flood Watch | LOT | 5 hr |
| Mar 8, 6:25 AM CDT | River Flood Watch | LOT | 5 hr |
| Mar 8, 11:05 AM CDT | River Flood Warning | LOT | 6 days |
| Mar 8, 11:05 AM CDT | River Flood Warning | LOT | 8 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, 7:03 PM CDT | Areal Flood Advisory | LOT | 86 days |
| Mar 24, 9:18 PM CDT | River Flood Watch | MKX | 36 hr |
| Mar 24, 10:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 24, 11:13 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Mar 27, 5:29 PM CDT | Lakeshore Flood Advisory | LOT | 42 hr |
| Mar 28, 3:40 AM CDT | Winter Storm Warning | LOT | 24 hr |
| Mar 28, 8:47 PM CDT | River Flood Watch | MKX | 24 hr |
| Mar 29, 3:11 AM CDT | Winter Weather Advisory | LOT | 8 hr |
| Mar 31, 10:44 AM CDT | River Flood Watch | MKX | 6 hr |
| Mar 31, 4:15 PM CDT | River Flood Warning | MKX | 4 days |
| Apr 4, 4:47 AM CDT | Winter Weather Advisory | LOT | 42 hr |
| Apr 5, 8:18 PM CDT | Areal Flood Advisory | LOT | 74 days |
| Apr 25, 9:49 AM CDT | River Flood Watch | MKX | 12 hr |
| Apr 25, 5:32 PM CDT | Mesoscale Discussion | SPC | 73 min |
| Apr 25, 8:53 PM CDT | River Flood Warning | LOT | 10 days |
| Apr 25, 9:46 PM CDT | River Flood Warning | MKX | 14 days |
| Apr 26, 9:29 AM CDT | Areal Flood Advisory | LOT | 54 days |
| Apr 26, 12:13 PM CDT | Areal Flood Advisory | LOT | 54 days |
| Apr 26, 12:26 PM CDT | River Flood Watch | LOT | 6 days |
| Apr 26, 8:08 PM CDT | River Flood Warning | LOT | 7 days |
| Apr 29, 3:10 PM CDT | Flash Flood Watch | LOT | 20 hr |
| Apr 30, 3:04 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| May 13, 10:06 AM CDT | River Flood Watch | MKX | 20 hr |
| May 13, 6:02 PM CDT | Tornado Watch | SPC | 5 hr |
| May 13, 8:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 13, 10:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 13, 10:51 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 14, 6:02 AM CDT | River Flood Warning | MKX | 4 days |
| May 14, 3:34 PM CDT | Flash Flood Watch | LOT | 30 hr |
| May 15, 2:48 PM CDT | Areal Flood Advisory | LOT | 57 days |
| May 16, 3:23 AM CDT | Frost Advisory | LOT | 28 hr |
| May 25, 7:52 PM CDT | River Flood Advisory | LOT | 25 days |
| Jun 8, 11:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 8, 1:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 8, 3:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 8, 3:57 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jun 8, 5:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 18, 11:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 18, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 19, 1:27 AM CDT | Severe Thunderstorm Warning | LOT | 63 min |
| Jun 19, 2:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 19, 4:48 AM CDT | Severe Thunderstorm Warning | LOT | 24 min |
| Jun 19, 7:14 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 19, 9:46 AM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| Jun 19, 9:47 AM CDT | River Flood Watch | MKX | 11 hr |
| Jun 19, 10:03 AM CDT | Flash Flood Warning | LOT | 4 hr |
| Jun 19, 10:04 AM CDT | River Flood Warning | LOT | 9 days |
| Jun 19, 11:07 AM CDT | Severe Thunderstorm Warning | LOT | 53 min |
| Jun 19, 1:08 PM CDT | Flash Flood Watch | LOT | 8 hr |
| Jun 19, 2:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 6:00 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 19, 6:05 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| Jun 19, 6:28 PM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| Jun 19, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jun 19, 8:58 PM CDT | River Flood Warning | MKX | 9 days |
| Jun 19, 9:01 PM CDT | River Flood Warning | LOT | 9 days |
| Jun 19, 11:29 PM CDT | Areal Flood Warning | LOT | 10 hr |
| Jun 22, 3:15 PM CDT | Heat Advisory | LOT | 52 hr |
| Jun 25, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 28, 9:39 PM CDT | Lakeshore Flood Statement | LOT | 23 hr |
| Jun 29, 9:35 PM CDT | Lakeshore Flood Statement | LOT | 47 hr |
| Jul 5, 3:58 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Jul 11, 2:31 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Jul 22, 12:49 PM CDT | Areal Flood Advisory | LOT | 103 min |
| Jul 22, 2:06 PM CDT | Special Weather Statement | LOT | 114 min |
| Jul 22, 2:30 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 23, 4:19 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 24, 9:52 PM CDT | Wind Advisory | LOT | 68 min |
| Jul 24, 11:48 PM CDT | Special Weather Statement | LOT | 57 min |
| Jul 27, 11:05 PM CDT | High Wind Warning | LOT | 3 hr |
| Jul 30, 4:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 30, 5:12 PM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Aug 4, 4:29 AM CDT | Dense Fog Advisory | LOT | 4 hr |
| Aug 8, 4:07 AM CDT | Heat Advisory | LOT | 38 hr |
| Aug 9, 10:21 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 9, 10:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 26, 1:59 PM CDT | Flash Flood Watch | LOT | 37 hr |
| Aug 29, 3:40 AM CDT | Lakeshore Flood Statement | LOT | 45 hr |
| Sep 9, 9:19 PM CDT | Dense Fog Advisory | LOT | 12 hr |
| Sep 10, 8:44 PM CDT | Dense Fog Advisory | LOT | 11 hr |
| Sep 12, 4:08 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Sep 12, 9:05 AM CDT | Dense Fog Advisory | LOT | 73 min |
| Sep 12, 9:43 PM CDT | Dense Fog Advisory | LOT | 11 hr |
| Sep 24, 7:36 AM CDT | Dense Fog Advisory | LOT | 53 min |
| Sep 27, 5:55 AM CDT | Dense Fog Advisory | LOT | 4 hr |
| Sep 27, 5:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 27, 8:22 PM CDT | Tornado Watch | SPC | 3 hr |
| Sep 28, 4:29 AM CDT | Wind Advisory | LOT | 15 hr |
| Oct 6, 9:09 PM CDT | Wind Advisory | LOT | 5 hr |
| Oct 9, 4:00 PM CDT | Freeze Warning | LOT | 41 hr |
| Nov 23, 9:40 PM CST | Dense Fog Advisory | LOT | 11 hr |
| Nov 26, 8:06 PM CST | River Flood Watch | MKX | 13 hr |
| Dec 6, 3:42 PM CST | Winter Storm Watch | LOT | 30 hr |
| Dec 7, 9:35 PM CST | Winter Storm Warning | LOT | 42 hr |
| Dec 7, 9:35 PM CST | Winter Weather Advisory | LOT | 50 hr |
| Dec 12, 3:20 PM CST | Winter Weather Advisory | LOT | 4 hr |
| Dec 12, 7:35 PM CST | Freezing Rain Advisory | LOT | 14 hr |
| Dec 14, 3:57 AM CST | Dense Fog Advisory | LOT | 9 hr |
| Dec 22, 11:31 AM CST | Winter Storm Watch | LOT | 17 hr |
| Dec 22, 3:35 PM CST | Winter Weather Advisory | LOT | 29 hr |
| Dec 23, 3:45 AM CST | Flood Watch | LOT | 55 hr |
| Dec 23, 6:41 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 23, 8:46 PM CST | Ice Storm Warning | LOT | 18 hr |
| Dec 25, 10:07 AM CST | River Flood Watch | MKX | 31 hr |
| Dec 25, 10:36 AM CST | River Flood Warning | LOT | 7 days |
| Dec 25, 8:36 PM CST | River Flood Warning | MKX | 9 days |
| Dec 25, 9:24 PM CST | River Flood Advisory | LOT | 13 hr |
| Dec 26, 9:33 AM CST | Winter Weather Advisory | LOT | 11 hr |
| Dec 26, 1:19 PM CST | Winter Storm Warning | LOT | 8 hr |
| Dec 27, 7:45 PM CST | River Flood Advisory | LOT | 13 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.