Alert archive / Washington / Frost Advisories in 2025

Frost Advisory 4, NWS Seattle, WA

October 13, 20259 counties in Washington

NWS Seattle, WA issued this frost advisory at Oct 13, 2025, 12:16 PM PDT for 9 counties in Washington. It took effect at Oct 14, 2025, 2:00 AM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Oct 13, 2025, 12:16 PM PDT (19:16 UTC)
In effect from: Oct 14, 2025, 2:00 AM PDT
Expired: Oct 14, 2025, 8:00 AM PDT
In force: 6 hr
Issued by: NWS Seattle, WA

Counties Grays Harbor 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), 73 km from the middle of the area, began a volume at 19:14 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.

What forecasters said that day

The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this frost advisory went out at Oct 12, 2:30 PM PDT, 21 hours 46 minutes earlier.

Area forecast discussion, Oct 12, 2:30 PM PDT, 21 hours 46 minutes before

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The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 12, 9:09 PM PDT	Small Craft Advisory	SEW		6 hr

Nearby

Frost Advisories in Washington, 2025 Every frost advisory in 2025

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.