Alert archive / Guam / 2025
Weather alerts in Guam, October 2025
12 weather alerts in October 2025, 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
- 12
- Warnings
- 1
- Watches
- 1
- Advisories
- 10
- Busiest day
- October 14, 20254 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 4, 9:48 PM CDT | Areal Flood Advisory | GUM | 117 min | |
| Oct 4, 9:54 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 6, 10:00 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 9, 6:31 PM CDT | Areal Flood Advisory | GUM | 119 min | |
| Oct 13, 10:10 PM CDT | Flood Watch | GUM | 27 hr | |
| Oct 14, 12:43 PM CDT | Areal Flood Advisory | GUM | 77 min | |
| Oct 14, 2:38 PM CDT | Flash Flood Warning | GUM | 98 min | |
| Oct 14, 4:29 PM CDT | Areal Flood Advisory | GUM | 87 min | |
| Oct 17, 10:25 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 19, 6:49 PM CDT | Wind Advisory | GUM | 2 hr | |
| Oct 19, 7:23 PM CDT | Areal Flood Advisory | GUM | 92 min | |
| Oct 21, 2:52 AM CDT | Areal Flood Advisory | GUM | 53 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 9 |
| Wind and dust | |
| Wind Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.