Alert archive / Washington / Frost Advisories in 2024

Frost Advisory 4, NWS Spokane, WA

May 29, 20247 counties in Washington; 6 counties in Idaho

NWS Spokane, WA issued this frost advisory at May 29, 2024, 11:19 AM PDT for 7 counties in Washington; 6 counties in Idaho. It took effect at May 30, 2024, 2:00 AM PDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: May 29, 2024, 11:19 AM PDT (18:19 UTC)
In effect from: May 30, 2024, 2:00 AM PDT
Expired: May 31, 2024, 8:00 AM PDT
In force: 30 hr
Issued by: NWS Spokane, WA

Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID, Adams County, WA, Douglas County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 11 km from the middle of the area, began a volume at 18:18 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 Spokane, WA wrote its last area forecast discussion before this frost advisory went out at May 29, 5:13 AM PDT, 6 hours 6 minutes earlier.

Area forecast discussion, May 29, 5:13 AM PDT, 6 hours 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 2:00 AM PDT	Freeze Watch	OTX	Ferry, Okanogan, Pend Oreille, Spokane, Stevens	9 hr
May 29, 11:19 AM PDT	Freeze Warning	OTX	Ferry, Okanogan, Pend Oreille, Spokane, Stevens	45 hr
May 29, 2:00 PM PDT	Special Weather Statement	OTX	Whitman	45 min
May 29, 2:57 PM PDT	Special Weather Statement	OTX	Okanogan	33 min
May 29, 3:56 PM PDT	Special Weather Statement	OTX	Spokane	34 min
May 29, 4:41 PM PDT	Special Weather Statement	OTX	Spokane	34 min
May 29, 4:57 PM PDT	Special Weather Statement	OTX	Spokane	33 min
May 29, 4:44 PM PDT	Special Weather Statement	OTX	Kootenai	46 min

Nearby

Frost Advisories in Washington, 2024 Frost Advisories in Idaho, 2024 Every frost advisory in 2024

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.