Cool moist southwest flow produced 12 inches of snowfall at Mt Baker on Nov 20.
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.
The episode as NWS SEW wrote it up.
Cool moist southwest flow produced 12 inches of snowfall at Mt Baker on Nov 20.
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 20, 9:30 AM PST, 30 minutes earlier.
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</html>1 heavy snow. Local standard time, as filed.
NWAC gauge at Mt Baker recorded 12 inches of snowfall in 12 hours ending 10 pm Nov 20.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2009Every state in 2009This day in weather historyWarnings in Washington, November 2009
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 2026-09-24. Each event’s entry at NCEI: 203979.