Alert archive / Illinois / Johnson County / 2018
Weather alerts in Johnson County, Illinois, April 2018
19 weather alerts in April 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 19
- Warnings
- 8
- Watches
- 2
- Advisories
- 7
- Busiest day
- April 3, 20185 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 2, 1:19 PM CDT | Wind Advisory | PAH | 30 hr |
| Apr 3, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 1:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 3, 3:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 3, 5:57 PM CDT | Tornado Warning | PAH | 33 min |
| Apr 3, 6:22 PM CDT | Tornado Warning | PAH | 38 min |
| Apr 4, 4:08 AM CDT | Freeze Warning | PAH | 28 hr |
| Apr 5, 3:28 AM CDT | Winter Storm Watch | PAH | 22 hr |
| Apr 5, 3:59 PM CDT | Freeze Warning | PAH | 42 hr |
| Apr 6, 3:13 PM CDT | Winter Weather Advisory | PAH | 19 hr |
| Apr 7, 2:20 AM CDT | Freeze Warning | PAH | 31 hr |
| Apr 10, 2:53 PM CDT | Frost Advisory | PAH | 17 hr |
| Apr 12, 12:05 PM CDT | Wind Advisory | PAH | 7 hr |
| Apr 12, 12:36 PM CDT | Red Flag Warning | PAH | 7 hr |
| Apr 15, 4:10 AM CDT | Freeze Warning | PAH | 30 hr |
| Apr 16, 3:47 AM CDT | Frost Advisory | PAH | 29 hr |
| Apr 16, 3:47 AM CDT | Freeze Warning | PAH | 29 hr |
| Apr 18, 11:20 AM CDT | Wind Advisory | PAH | 8 hr |
| Apr 19, 1:36 AM CDT | Frost Advisory | PAH | 31 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 | |
| Tornado Warning | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 2 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 5 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 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.