Alert archive / Illinois / McHenry County / 2009
Weather alerts in McHenry County, Illinois, June 2009
33 weather alerts in June 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 33
- Warnings
- 15
- Watches
- 7
- Advisories
- 2
- Busiest day
- June 19, 200917 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 |
|---|---|---|---|
| Jun 1, 5:37 PM CDT | Flash Flood Warning | LOT | 4 hr |
| Jun 1, 5:57 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| Jun 8, 1:44 AM CDT | Flash Flood Warning | LOT | 8 hr |
| 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 18, 8:23 PM CDT | Mesoscale Discussion | SPC | 97 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, 7:14 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 19, 7:49 AM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Jun 19, 8:31 AM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jun 19, 8:55 AM CDT | Tornado Warning | LOT | 22 min |
| Jun 19, 9:17 AM CDT | Flash Flood Warning | LOT | 4 hr |
| 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, 1:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| 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, 6:28 PM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| Jun 19, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jun 19, 7:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 19, 11:29 PM CDT | Areal Flood Warning | LOT | 10 hr |
| Jun 21, 9:52 AM CDT | River Flood Advisory | LOT | 23 hr |
| Jun 22, 9:02 AM CDT | River Flood Warning | LOT | 5 days |
| Jun 22, 3:15 PM CDT | Heat Advisory | LOT | 52 hr |
| Jun 25, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 27, 1:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 27, 2:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 6:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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.