Prior snow and rain the day before led to icy road conditions on November 17. It caused hazardous road conditions.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 OTX wrote it up.
Prior snow and rain the day before led to icy road conditions on November 17. It caused hazardous road conditions.
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 Spokane, WA wrote its last area forecast discussion before the first event at Nov 15, 3:57 PM PST, 14 hours 33 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 winter weather. Local standard time, as filed.
A semi-truck lost control on the icy road and jackknifed into the opposing lane around 0720 AM PST. This cascaded into a multi-vehicle accident involving 3 cars and 2 semi-trucks total.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2024Every state in 2024This day in weather historyWarnings in Washington, November 2024
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: 1224321.