A warm front developed over central and southeastern Washington during the day on February 10th with light snow through much of the day bringing generally moderate accumulations to the Columbia Basin and Cascades east slopes. A trailing cold front   created a period of more intense snow as it passed through eastern Washington from west to east during the night of February 10th.  These two fronts left a swath of heavy snow accumulation across the northern Columbia Basin and the rising terrain of the eastern Columbia Basin from Spokane southward.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The observer at the Spokane International Airport recorded 7.5 inches of new snow accumulation from this storm.

Heavy Snow in WASHINGTON PALOUSE, WASHINGTON
From 10-FEB-19 09:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Pullman recorded 7.0 inches of new snow accumulation from this storm.

Heavy Snow in LOWER GARFIELD & ASOTIN, WASHINGTON
From 10-FEB-19 08:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Pomeroy recorded 6.8 inches of snow accumulation from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

An observer at the Turnbull Wildlife Refuge recorded 6.5 inches of new snow accumulation from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer in Spokane's South Hill neighborhood recorded 6.5 inches of new snow accumulation from this storm.

Heavy Snow in LOWER GARFIELD & ASOTIN, WASHINGTON
From 10-FEB-19 08:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 2 miles south of Pomeroy recorded 6.2 inches of snow accumulation from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter in north Spokane reported 5.8 inches of new snow accumulation from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The observer at the Spokane NWS station recorded 5.8 inches of snow accumulation from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Mica recorded 5.0 inches of new snow accumulation with this storm.

Heavy Snow in WASHINGTON PALOUSE, WASHINGTON
From 10-FEB-19 09:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public near Pullman reported 5.0 inches of new snow accumulation.

Heavy Snow in WASHINGTON PALOUSE, WASHINGTON
From 10-FEB-19 09:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Palouse recorded 9.4 inches of new snow accumulation from this storm.

Heavy Snow in UPPER COLUMBIA BASIN, WASHINGTON
From 10-FEB-19 11:00:00 to 11-FEB-19 02:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer near Almira recorded 4.0 inches of new snow accumulation.

Heavy Snow in UPPER COLUMBIA BASIN, WASHINGTON
From 10-FEB-19 11:00:00 to 11-FEB-19 02:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer in Ritzville recorded 4.5 inches of new snow accumulation.

Heavy Snow in UPPER COLUMBIA BASIN, WASHINGTON
From 10-FEB-19 11:00:00 to 11-FEB-19 02:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 7 miles northwest of Ritzville recorded 4.0 inches of new snow accumulation.

Heavy Snow in WASHINGTON PALOUSE, WASHINGTON
From 10-FEB-19 09:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer in Thornton recorded 4.5 inches of new snow accumulation from this storm.

Heavy Snow in SPOKANE AREA, WASHINGTON
From 10-FEB-19 12:00:00 to 11-FEB-19 03:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer 11 miles north of Davenport recorded 4.2 inches of new snow accumulation with this storm.