Alert archive / Guam / 2021
Weather alerts in Guam, October 2021
25 weather alerts in October 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
- Alerts
- 25
- Warnings
- 4
- Watches
- 3
- Advisories
- 15
- Busiest day
- October 10, 20214 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 | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 11:30 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 3, 9:34 PM CDT | Special Marine Warning | GUM | 116 min | |
| Oct 4, 1:31 PM CDT | Areal Flood Advisory | GUM | 5 hr | |
| Oct 5, 7:34 AM CDT | Flash Flood Warning | GUM | 3 hr | |
| Oct 6, 1:12 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 6, 1:46 AM CDT | Flash Flood Warning | GUM | 3 hr | |
| Oct 6, 6:54 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 6, 8:38 PM CDT | Flash Flood Warning | GUM | 74 min | |
| Oct 7, 1:38 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 9, 8:54 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 9, 10:23 PM CDT | Flash Flood Watch | GUM | 32 hr | |
| Oct 10, 1:53 AM CDT | Rip Current Statement | GUM | 37 hr | |
| Oct 10, 1:53 AM CDT | High Surf Advisory | GUM | 37 hr | |
| Oct 12, 12:16 AM CDT | Rip Current Statement | GUM | 25 hr | |
| Oct 12, 12:16 AM CDT | High Surf Advisory | GUM | 25 hr | |
| Oct 16, 8:46 PM CDT | Areal Flood Advisory | GUM | 119 min | |
| Oct 21, 2:31 AM CDT | Areal Flood Advisory | GUM | 119 min | |
| Oct 21, 5:58 PM CDT | Flash Flood Watch | GUM | 45 hr | |
| Oct 21, 5:58 PM CDT | Flash Flood Watch | GUM | 57 hr | |
| Oct 21, 9:37 PM CDT | Areal Flood Advisory | GUM | 53 min | |
| Oct 23, 2:12 AM CDT | Small Craft Advisory | GUM | 37 hr | |
| Oct 23, 4:31 AM CDT | Areal Flood Advisory | GUM | 119 min | |
| Oct 23, 6:48 PM CDT | Areal Flood Advisory | GUM | 57 min | |
| Oct 24, 12:37 AM CDT | Special Weather Statement | GUM | 53 min | |
| Oct 30, 10:53 PM CDT | High Surf Advisory | GUM | 40 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 | |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 11 |
| Coast and beach | |
| High Surf Advisory | 3 |
| Rip Current Statement | 2 |
| Marine | |
| Special Marine Warning | 1 |
| Small Craft Advisory | 1 |
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.