Washington, 2010

Heavy Snow in Washington, November 17 to 18, 2010

November 17 to 18, 2010 · NWS SEW · 1 event in 1 county or zone

A strong cold front followed by westerly flow brought heavy snow to the Central Washington Cascades, with lesser amounts in the North Cascades.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS SEW wrote it up.

A strong cold front followed by westerly flow brought heavy snow to the Central Washington Cascades, with lesser amounts in the North Cascades.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before the first event at Nov 17, 3:00 AM PST, 1 hour earlier.

Area forecast discussion, Nov 17, 3:00 AM PST, 1 hour before
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Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, West Slopes Central Cascades and Passes

When
November 17, 4:00 AM PST to November 18, 8:00 AM PST
Where
West Slopes Central Cascades and Passes forecast zone
Reported by
Park/Forest Service

The NW Weather and Avalanche Center (NWAC) weather station at Paradise recorded 13 inches snow between 6 am Nov 17 and 6 pm Nov 17, with a total of 24 inches during the warning period.|The NW Weather and Avalanche Center (NWAC) weather station at White Pass recorded 20 inches snow between 7 am Nov 17 and 7 am Nov 18.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Washington in 2010Every state in 2010This day in weather historyWarnings in Washington, November 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 273238.