Alert archive / Guam / Flash Flood Warnings in 2026
Flash Flood Warning 23, NWS Guam
NWS Guam issued this flash flood warning at Aug 5, 2026, 9:48 PM CDT. It was in force for 87 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 5, 2026, 9:48 PM CDT (02:48 UTC)
- Expired
- Aug 5, 2026, 11:15 PM CDT
- In force
- 87 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 6, 2:23 AM CDT | High Surf Advisory | GUM | 71 hr | |
| Aug 5, 7:38 PM CDT | Areal Flood Advisory | GUM | 4 hr | |
| Aug 6, 3:47 AM CDT | Areal Flood Advisory | GUM | 58 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.