Alert archive / Washington / Frost Advisories in 2024

Frost Advisory 7, NWS Spokane, WA

September 29, 20246 counties in Washington; Kootenai County, Lewis County, Nez Perce County, Idaho

NWS Spokane, WA issued this frost advisory at Sep 29, 2024, 4:54 AM PDT for 6 counties in Washington; Kootenai County, Lewis County, Nez Perce County, Idaho. It took effect at Sep 30, 2024, 1:00 AM PDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2024, 4:54 AM PDT (11:54 UTC)
In effect from
Sep 30, 2024, 1:00 AM PDT
Expired
Sep 30, 2024, 8:00 AM PDT
In force
7 hr
Issued by
NWS Spokane, WA

Counties Kootenai County, ID, Lewis County, ID, Nez Perce County, ID, Adams County, WA, Douglas County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA

The radar

The Spokane radar (KOTX), 55 km from the middle of the area, began a volume at 11:56 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 Sep 29, 3:21 AM PDT, 1 hour 33 minutes earlier.

Area forecast discussion, Sep 29, 3:21 AM PDT, 1 hour 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 4:54 AM PDTBlowing Dust AdvisoryOTXAdams, Douglas, Grant, Lincoln, Okanogan, Spokane and 1 more14 hr
Sep 29, 4:54 AM PDTFreeze WarningOTXFerry, Okanogan, Pend Oreille, Spokane, Stevens, Whitman27 hr
Sep 29, 1:04 PM PDTDust Storm WarningOTXAdams, Lincoln, Whitman86 min
Sep 29, 1:08 PM PDTDust Storm WarningOTXGrant34 min
Sep 29, 1:28 PM PDTDust Storm WarningOTXLincoln, Spokane, Whitman92 min
Sep 29, 2:27 PM PDTDust Storm WarningOTXAdams, Lincoln, Whitman63 min
Sep 29, 2:57 PM PDTDust Storm WarningOTXLincoln, Spokane, Whitman93 min
Sep 29, 3:32 PM PDTDust Storm WarningOTXAdams, Lincoln, Whitman88 min
Sep 29, 3:35 PM PDTDust Storm AdvisoryOTXSpokane, Whitman115 min
Sep 29, 4:32 PM PDTDust Storm WarningOTXSpokane, Whitman38 min
Sep 29, 1:53 PM PDTDust Storm AdvisoryOTXBenewah, Kootenai, Latah, Shoshone82 min

Nearby

Frost Advisories in Washington, 2024Frost Advisories in Idaho, 2024Every 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.