Alert archive / Guam / Small Craft Advisories
Small Craft Advisories in Guam, 2021
24 small craft advisories in 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
- 24
- Busiest month
- December5 small craft advisories
- Busiest day
- January 20, 20211 small craft advisories
Over time
By month
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 |
|---|---|---|---|---|
| Jan 20, 1:18 AM CST | Small Craft Advisory | GUM | 311 days | |
| Jan 27, 12:25 PM CST | Small Craft Advisory | GUM | 303 days | |
| Jan 30, 1:47 AM CST | Small Craft Advisory | GUM | 300 days | |
| Mar 1, 1:33 AM CST | Small Craft Advisory | GUM | 36 hr | |
| Apr 18, 4:28 PM CDT | Small Craft Advisory | GUM | 47 hr | |
| Apr 25, 2:28 AM CDT | Small Craft Advisory | GUM | 37 hr | |
| May 5, 12:31 AM CDT | Small Craft Advisory | GUM | 3 days | |
| May 21, 2:59 AM CDT | Small Craft Advisory | GUM | 12 hr | |
| Jun 21, 1:10 AM CDT | Small Craft Advisory | GUM | 24 hr | |
| Jul 23, 2:35 PM CDT | Small Craft Advisory | GUM | 49 hr | |
| Aug 16, 1:59 AM CDT | Small Craft Advisory | GUM | 14 hr | |
| Aug 16, 8:17 PM CDT | Small Craft Advisory | GUM | 13 hr | |
| Sep 4, 1:07 AM CDT | Small Craft Advisory | GUM | 24 hr | |
| Sep 22, 2:46 AM CDT | Small Craft Advisory | GUM | 17 hr | |
| Sep 23, 5:18 PM CDT | Small Craft Advisory | GUM | 6 hr | |
| Oct 23, 2:12 AM CDT | Small Craft Advisory | GUM | 37 hr | |
| Nov 12, 11:56 PM CST | Small Craft Advisory | GUM | 26 hr | |
| Nov 15, 4:14 PM CST | Small Craft Advisory | GUM | 7 hr | |
| Nov 24, 1:47 PM CST | Small Craft Advisory | GUM | 5 days | |
| Dec 4, 1:07 AM CST | Small Craft Advisory | GUM | 3 days | |
| Dec 10, 12:11 AM CST | Small Craft Advisory | GUM | 5 days | |
| Dec 15, 1:12 PM CST | Small Craft Advisory | GUM | 37 hr | |
| Dec 23, 6:19 AM CST | Small Craft Advisory | GUM | 38 hr | |
| Dec 27, 2:04 PM CST | Small Craft Advisory | GUM | 48 hr |
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.