Alert archive / Guam / Flash Flood Warnings in 2026
Flash Flood Warning 25, NWS Guam
NWS Guam issued this flash flood warning at Aug 25, 2026, 3:57 PM CDT. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2026, 3:57 PM CDT (20:57 UTC)
- Expired
- Aug 25, 2026, 5:30 PM CDT
- In force
- 93 min
- Issued by
- NWS Guam
- Area
- Storm-based polygon
- Flood severity
- None
The office that day
Everything else NWS Guam issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 3:23 PM CDT | Areal Flood Advisory | GUM | 67 min |
Nearby
Flash Flood Warnings in Guam, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.