A deep Pacific moisture feed became directed into eastern Washington beginning on  February 3rd and continuing through February 5th. Enhancing into precipitation along a warm front, initially heavy snow was recorded over the northeastern Columbia Basin on February 4th, but turned to rain and ended on the 5th as the front moved north of the area. In the northeastern Washington mountains and valleys the warm front stalled and accumulating snow continued through February 5th before a cold front pushed the moisture feed out of the area and allowed a break in the winter weather.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 03-FEB-17 10:00:00 to 04-FEB-17 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 5 miles north of Spokane measured 7 inches of new snow.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 03-FEB-17 10:00:00 to 04-FEB-17 08:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer at Nine Mile Falls measured 6.6 inches of new snow.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 03-FEB-17 08:00:00 to 04-FEB-17 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Northport recorded 6.3 inches of new snow accumulation.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 03-FEB-17 08:00:00 to 04-FEB-17 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Clayton recorded 7 inches of new snow accumulation.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 03-FEB-17 10:00:00 to 04-FEB-17 08:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 11 miles north of Davenport measured 4.1 inches of new snow.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 03-FEB-17 10:00:00 to 04-FEB-17 12:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The NWS office in Airway Heights recorded 4.6 inches of new snow accumulation.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 03-FEB-17 10:00:00 to 04-FEB-17 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The NWS observer at the Spokane International Airport measured 8.3 inches of new snow from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 03-FEB-17 10:00:00 to 04-FEB-17 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Marshall measured 10 inches of new snow.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 03-FEB-17 10:00:00 to 06-FEB-17 05:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The 49 North Ski Resort reported a three day total of 34 inches of new snow accumulation.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 03-FEB-17 09:00:00 to 04-FEB-17 07:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

An observer near Northport recorded 4.8 inches of new snow.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 03-FEB-17 08:00:00 to 04-FEB-17 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

An observer at Boundary Dam recorded 7.5 inches of new snow accumulation.