Alert archive / Washington / Flash Flood Warnings in 2026
Flash Flood Warning 1, NWS Seattle, WA
NWS Seattle, WA issued this flash flood warning at Aug 13, 2026, 3:37 PM PDT for Mason County, Washington. It was in force for 105 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 13, 2026, 3:37 PM PDT (22:37 UTC)
- Expired
- Aug 13, 2026, 5:22 PM PDT
- In force
- 105 min
- Issued by
- NWS Seattle, WA
- Area
- Storm-based polygon
- Flood severity
- None
County Mason County, WA
The radar
The Langley Hill radar (KLGX), 74 km from the middle of the area, began a volume at 22:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 3:38 AM PDT | Red Flag Warning | SEW | Clallam, Grays Harbor, Jefferson, King, Lewis, Mason and 5 more | 17 hr |
| Aug 13, 11:23 AM PDT | Fire Weather Watch | SEW | Clallam, Grays Harbor, Jefferson, King, Lewis, Mason and 5 more | 15 hr |
Nearby
Flash Flood Warnings in Washington, 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; radar from the NEXRAD Level II archive.