Alert archive / Illinois / McHenry County / 2015
Weather alerts in McHenry County, Illinois, September 2015
9 weather alerts in September 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 9
- Warnings
- 2
- Watches
- 2
- Advisories
- 0
- Busiest day
- September 18, 20154 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 |
|---|---|---|---|
| Sep 3, 7:12 PM CDT | Special Weather Statement | LOT | 33 min |
| Sep 3, 7:45 PM CDT | Special Weather Statement | LOT | 45 min |
| Sep 8, 9:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 17, 1:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 17, 2:41 PM CDT | Special Weather Statement | LOT | 49 min |
| Sep 18, 12:31 AM CDT | Flash Flood Warning | LOT | 8 hr |
| Sep 18, 3:43 AM CDT | Flash Flood Watch | LOT | 23 hr |
| Sep 18, 9:57 AM CDT | River Flood Watch | LOT | 7 days |
| Sep 18, 6:51 PM CDT | Flash Flood Warning | LOT | 6 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 | |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| River Flood Watch | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.