Alert archive / Illinois / McHenry County / 2018
Weather alerts in McHenry County, Illinois, June 2018
20 weather alerts in June 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 20
- Warnings
- 6
- Watches
- 3
- Advisories
- 9
- Busiest day
- June 21, 20187 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 9, 3:33 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 16, 9:21 AM CDT | Heat Advisory | LOT | 58 hr |
| Jun 18, 5:51 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 18, 9:51 PM CDT | River Flood Advisory | LOT | 5 hr |
| Jun 19, 2:55 AM CDT | River Flood Warning | LOT | 31 hr |
| Jun 20, 8:34 PM CDT | River Flood Advisory | LOT | 7 days |
| Jun 21, 3:28 AM CDT | Flash Flood Watch | LOT | 34 hr |
| Jun 21, 7:46 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | 13 days |
| Jun 21, 10:34 AM CDT | River Flood Warning | LOT | 21 days |
| Jun 21, 10:57 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 21, 11:56 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 26, 2:46 AM CDT | Flash Flood Watch | LOT | 22 hr |
| Jun 26, 2:49 PM CDT | Special Weather Statement | LOT | 56 min |
| Jun 26, 3:46 PM CDT | Special Weather Statement | LOT | 59 min |
| Jun 26, 4:31 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 26, 7:35 PM CDT | Areal Flood Warning | LOT | 115 min |
| Jun 26, 9:29 PM CDT | Areal Flood Warning | LOT | 9 hr |
| Jun 27, 3:09 PM CDT | Excessive Heat Watch | LOT | 36 hr |
| Jun 28, 2:44 PM CDT | Excessive Heat Warning | LOT | 3 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 2 |
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 3 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 6 |
| River Flood Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.