Alert archive / Washington / Frost Advisories in 2026
Frost Advisory 4, NWS Seattle, WA
NWS Seattle, WA issued this frost advisory at Apr 8, 2026, 10:07 AM PDT for 11 counties in Washington. It took effect at Apr 8, 2026, 11:00 PM PDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Apr 8, 2026, 10:07 AM PDT (17:07 UTC)
- In effect from
- Apr 8, 2026, 11:00 PM PDT
- Expired
- Apr 9, 2026, 9:00 AM PDT
- In force
- 10 hr
- Issued by
- NWS Seattle, WA
Counties Clallam County, WA, Grays Harbor County, WA, Jefferson County, WA, King County, WA, Lewis County, WA, Mason County, WA, Pierce County, WA, Skagit County, WA, Snohomish County, WA, Thurston County, WA, Whatcom County, WA
The radar
The Seattle radar (KATX), 65 km from the middle of the area, began a volume at 17:11 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.
Nearby
Frost Advisories in Washington, 2026Every frost advisory 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.