Alert archive / Illinois / McHenry County / 2017
Weather alerts in McHenry County, Illinois, April 2017
15 weather alerts in April 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 3
- Watches
- 2
- Advisories
- 5
- Busiest day
- April 10, 20176 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 |
|---|---|---|---|
| Apr 3, 10:04 AM CDT | River Flood Advisory | LOT | 6 days |
| Apr 4, 9:32 PM CDT | River Flood Advisory | LOT | 7 days |
| Apr 5, 9:52 AM CDT | River Flood Warning | LOT | 5 days |
| Apr 10, 4:38 AM CDT | Special Weather Statement | LOT | 22 min |
| Apr 10, 11:57 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 10, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 10, 2:55 PM CDT | Special Weather Statement | LOT | 50 min |
| Apr 10, 3:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 10, 4:18 PM CDT | Severe Thunderstorm Warning | LOT | 42 min |
| Apr 10, 9:36 PM CDT | River Flood Advisory | LOT | 4 days |
| Apr 15, 11:17 PM CDT | Special Weather Statement | LOT | 43 min |
| Apr 15, 11:58 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Apr 16, 10:31 AM CDT | River Flood Advisory | LOT | 6 days |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | 48 hr |
| Apr 30, 11:22 AM CDT | River Flood Warning | LOT | 4 days |
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 archive20162018
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.