Beginning during the evening of January 15th and continuing through the 16th a warm front pushed north through eastern Washington. The East Slopes of the Cascades and the adjacent Columbia Basin zones were under the deepest moisture feed and received heavy snow accumulations. The remainder of the Columbia Basin received generally 1 to 3 inches of snow accumulation. The warm front stalled near the Canadian border which promoted a longer period of snow over the northern mountains of eastern Washington where another region of heavy accumulations resulted.

Heavy Snow in WENATCHEE AREA, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer in East Wenatchee recorded 5.5 inches of new snow accumulation from this storm.

Heavy Snow in WENATCHEE AREA, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer in Wenatchee recorded 4.7 inches of new snow accumulation from this storm.

Heavy Snow in WENATCHEE AREA, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer in Chelan recorded 4.0 inches of new snow from this storm.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 16-JAN-20 01:00:00 to 16-JAN-20 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Clayton recorded 4.4 inches of new snow accumulation from this storm.

Heavy Snow in OKANOGAN VALLEY, WASHINGTON
From 16-JAN-20 00:00:00 to 16-JAN-20 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter in Tonasket reported 9.0 inches of new snow accumulation.

Heavy Snow in OKANOGAN VALLEY, WASHINGTON
From 16-JAN-20 00:00:00 to 16-JAN-20 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public in Oroville reported 8.3 inches of new snow accumulation.

Heavy Snow in OKANOGAN HIGHLANDS, WASHINGTON
From 16-JAN-20 06:00:00 to 16-JAN-20 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public 7 miles south of Molson reported 6.0 inches of snow accumulation from this storm.

Heavy Snow in WENATCHEE AREA, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at the Entiat Fish Hatchery recorded 4.9 inches of new snow from this storm.

Heavy Snow in WENATCHEE AREA, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Wenatchee recorded 4.0 inches of new snow from this storm.

Heavy Snow in WATERVILLE PLATEAU, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Waterville recorded 6.0 inches of new snow accumulation.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Winthrop recorded 10.0 inches of new snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Plain recorded 10.7 inches of new snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Mazama recorded 11.0 inches of new snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Ardenvoir recorded 8.3 inches of new snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Twisp recorded 7.5 inches of new snow accumulation from this storm.

Heavy Snow in OKANOGAN HIGHLANDS, WASHINGTON
From 16-JAN-20 06:00:00 to 16-JAN-20 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public 12 miles northeast of Disautel reported 6.0 inches of snow accumulation from this storm.

Heavy Snow in OKANOGAN VALLEY, WASHINGTON
From 16-JAN-20 00:00:00 to 16-JAN-20 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter 2 miles west of Okanogan reported 7.8 inches of new snow accumulation.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 16-JAN-20 01:00:00 to 16-JAN-20 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The Mount Spokane Ski Resort reported 12 inches of new snow accumulation from this storm.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 16-JAN-20 01:00:00 to 16-JAN-20 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The 49 North Ski Resort reported 13 inches of new snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer at Peshastin recorded 4.1 inches of snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The Steven Pass Ski Resort reported 14 inches of snow accumulation from this storm.

Heavy Snow in OKANOGAN HIGHLANDS, WASHINGTON
From 16-JAN-20 06:00:00 to 16-JAN-20 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 4 miles north of Republic recorded 4.9 inches of snow accumulation from this storm.

Heavy Snow in OKANOGAN HIGHLANDS, WASHINGTON
From 16-JAN-20 06:00:00 to 16-JAN-20 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Boyds recorded 4.3 inches of snow accumulation from this storm.

Heavy Snow in WENATCHEE AREA, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer in 5 miles south of Wenatchee recorded 4.7 inches of new snow accumulation from this storm.

Heavy Snow in WATERVILLE PLATEAU, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 06:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter 2 miles northeast of East Wenatchee reported 4.0 inches of new snow accumulation.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Holden Village recorded 13.1 inches of new snow accumulation from this storm.

Heavy Snow in EAST SLOPES NORTHERN CASCADES, WASHINGTON
From 15-JAN-20 16:00:00 to 16-JAN-20 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 5 miles north of Winthrop recorded 11.5 inches of snow accumulation from this storm.

Heavy Snow in OKANOGAN HIGHLANDS, WASHINGTON
From 16-JAN-20 06:00:00 to 16-JAN-20 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Aeneas recorded 7.9 inches of snow accumulation from this storm.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 16-JAN-20 01:00:00 to 16-JAN-20 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Boundary Dam recorded 5.0 inches of new snow accumulation.

Heavy Snow in OKANOGAN VALLEY, WASHINGTON
From 16-JAN-20 00:00:00 to 16-JAN-20 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer at Ellisforde recorded 11.0 inches of new snow accumulation.

Heavy Snow in OKANOGAN HIGHLANDS, WASHINGTON
From 16-JAN-20 06:00:00 to 16-JAN-20 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 7 miles east of Tonasket recorded 4.5 inches of snow accumulation from this storm.

Heavy Snow in OKANOGAN VALLEY, WASHINGTON
From 16-JAN-20 00:00:00 to 16-JAN-20 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter in Pateros reported 6.3 inches of new snow accumulation.

Heavy Snow in NORTHEAST MOUNTAINS, WASHINGTON
From 16-JAN-20 01:00:00 to 16-JAN-20 15:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer at Metaline Falls recorded 6.0 inches of new snow accumulation from this storm.