A low pressure system situated off the coast of Oregon spread moisture into parts of Southeast Oregon and Southwest Idaho with areas of heavy snow.
Every event with a place to put it; 2 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 BOI wrote it up.
A low pressure system situated off the coast of Oregon spread moisture into parts of Southeast Oregon and Southwest Idaho with areas of heavy snow.
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 Boise, ID wrote its last area forecast discussion before the first event at Dec 1, 3:35 AM MST, 2 hours 25 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
The COOP observer at Cambridge reported 7 inches of new snow and trained spotters reported 4 to 5 inches around the area.
Reports of 4 to 5 inches of new snow were received from the public.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2019Every state in 2019This day in weather historyWarnings in Idaho, December 2019
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: 870286, 870304.