Alert archive / Wisconsin / Small Craft Advisories / 2021
Small Craft Advisories in Wisconsin, April 2021
19 small craft advisories in April 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of small craft advisories reaches back to 2005.
Small Craft Advisories by county
Each county as a circle sized by its count in April 2021. Tap one for its archive.
- Small Craft Advisories
- 19
- Busiest day
- April 1, 20212 small craft advisories
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 | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:11 PM CDT | Small Craft Advisory | GRB | 17 hr | |
| Apr 1, 1:15 PM CDT | Small Craft Advisory | MKX | 6 hr | |
| Apr 2, 3:42 AM CDT | Small Craft Advisory | GRB | 35 hr | |
| Apr 2, 3:52 AM CDT | Small Craft Advisory | MKX | 35 hr | |
| Apr 9, 2:34 PM CDT | Small Craft Advisory | MKX | 40 hr | |
| Apr 9, 3:00 PM CDT | Small Craft Advisory | GRB | 43 hr | |
| Apr 14, 3:01 AM CDT | Small Craft Advisory | MKX | 34 hr | |
| Apr 14, 4:24 AM CDT | Small Craft Advisory | GRB | 33 hr | |
| Apr 18, 9:20 PM CDT | Small Craft Advisory | GRB | 28 hr | |
| Apr 22, 10:14 AM CDT | Small Craft Advisory | GRB | 16 hr | |
| Apr 24, 2:59 AM CDT | Small Craft Advisory | MKX | 31 hr | |
| Apr 24, 3:05 AM CDT | Small Craft Advisory | GRB | 28 hr | |
| Apr 25, 3:24 PM CDT | Small Craft Advisory | GRB | 40 hr | |
| Apr 25, 8:48 PM CDT | Small Craft Advisory | MKX | 34 hr | |
| Apr 27, 4:34 PM CDT | Small Craft Advisory | MKX | 3 hr | |
| Apr 28, 2:22 AM CDT | Small Craft Advisory | MKX | 11 hr | |
| Apr 28, 2:36 AM CDT | Small Craft Advisory | GRB | 10 hr | |
| Apr 29, 9:04 PM CDT | Small Craft Advisory | MKX | 17 hr | |
| Apr 29, 9:07 PM CDT | Small Craft Advisory | GRB | 15 hr |
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Warning verification from the Mesonet's Cow. Rebuilt daily.