Alert archive / Idaho / Winter Storm Watches in 2020

Winter Storm Watch 4, NWS Spokane, WA

February 3, 2020Asotin County, Garfield County, Washington; 6 counties in Idaho

NWS Spokane, WA issued this winter storm watch at Feb 3, 2020, 2:31 PM PST for Asotin County, Garfield County, Washington; 6 counties in Idaho. It took effect at Feb 4, 2020, 6:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 3, 2020, 2:31 PM PST (22:31 UTC)
In effect from
Feb 4, 2020, 6:00 PM PST
Expired
Feb 4, 2020, 10:09 AM PST
In force
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID, Asotin County, WA, Garfield County, WA

The radar

The Spokane radar (KOTX), 120 km from the middle of the area, began a volume at 22:33 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 winter storm watch 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 winter storm watch went out at Feb 3, 2:08 PM PST, 23 minutes earlier.

Area forecast discussion, Feb 3, 2:08 PM PST, 23 minutes before
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Hazardous weather outlook, Feb 3, 10:24 AM PST, 4 hours 7 minutes before
Hazardous Weather Outlook
National Weather Service Spokane WA
1024 AM PST Mon Feb 3 2020

WAZ034-035-041-043-044-041830-
Moses Lake Area-Upper Columbia Basin-Wenatchee Area-
Okanogan Valley-Waterville Plateau-
1024 AM PST Mon Feb 3 2020

This Hazardous Weather Outlook is for portions of Central
Washington...East Central Washington and North Central
Washington.

.DAY ONE...TODAY AND TONIGHT

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Light snow will bring the potential for slick conditions during
the Wednesday morning commute. Snow amounts will be around an inch
or less.

IDZ001>004-026-027-WAZ031>033-036>038-041830-
Northern Panhandle-Coeur d'Alene Area-Idaho Palouse-
Central Panhandle Mountains-Lewiston Area-
Lewis and Southern Nez Perce Counties-Northeast Blue Mountains-
Lower Garfield and Asotin Counties-Washington Palouse-
Spokane Area-Northeast Mountains-Okanogan Highlands-
1024 AM PST Mon Feb 3 2020

This Hazardous Weather Outlook is for portions of North Idaho...
North Central Idaho...North Central Washington...Northeast
Washington and Southeast Washington.

.DAY ONE...TODAY AND TONIGHT

No hazardous weather is expected today or tonight.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Light to moderate snow will develop Tuesday night and continue
into Wednesday morning. Several inches of snow will bring the
potential for a treacherous Wednesday morning commute. Be
prepared for slow travel and leave extra time to arrive at your
destination.

WAZ042-041830-
East Slopes Northern Cascades-
1024 AM PST Mon Feb 3 2020

This Hazardous Weather Outlook is for portions of North Central
Washington.

.DAY ONE...TODAY AND TONIGHT

No hazardous weather is expected today or tonight.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Moderate to heavy snow will impact the Cascade mountain passes
Tuesday night into Wednesday. Motorists planning to travel across
the passes should be prepared for wintry travel and possible
delays. Light snow accumulations will be found away from the crest
and could lead to slick conditions during the Wednesday morning
commute.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 2:31 PM PSTWinter Weather AdvisoryOTXAsotin, Garfield, Lincoln, Pend Oreille, Spokane, Stevens51 hr

Nearby

Winter Storm Watches in Idaho, 2020Winter Storm Watches in Washington, 2020Every winter storm watch in 2020

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.