Alert archive / Guam / Flash Flood Warnings in 2026
Flash Flood Warning 24, NWS Guam
NWS Guam issued this flash flood warning at Aug 19, 2026, 12:05 AM CDT. It was in force for 115 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 19, 2026, 12:05 AM CDT (05:05 UTC)
- Expired
- Aug 19, 2026, 2:00 AM CDT
- In force
- 115 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 18, 7:57 PM CDT | Special Weather Statement | GUM | 33 min | |
| Aug 18, 10:28 PM CDT | Special Marine Warning | GUM | 47 min | |
| Aug 18, 11:20 PM CDT | Special Marine Warning | GUM | 40 min | |
| Aug 18, 11:54 PM CDT | Special Weather Statement | GUM | 51 min | |
| Aug 19, 12:11 AM CDT | Special Marine Warning | GUM | 34 min | |
| Aug 19, 12:26 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Aug 19, 6:47 AM CDT | Tropical Storm Watch | GUM | 61 hr | |
| Aug 19, 12:18 PM CDT | Small Craft Advisory | GUM | 4 days | |
| Aug 18, 7:20 PM CDT | Areal Flood Advisory | GUM | 3 hr |
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.