An unseasonably cold air mass brought near freezing temperatures to areas east of the Cascades in South Central Oregon.
Every event with a place to put it; 3 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 MFR wrote it up.
An unseasonably cold air mass brought near freezing temperatures to areas east of the Cascades in South Central Oregon.
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 Medford, OR wrote its last area forecast discussion before the first event at Aug 22, 8:15 PM PST, 5 hours 45 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 frost/freeze. Local standard time, as filed.
Reported low temperatures in the zone ranged from 29 to 38 degrees. The sub-freezing temperatures occurred in sheltered areas.
Reported low temperatures in the zone ranged from 24 to 42 degrees. The sub-freezing temperatures occurred in sheltered areas.
Reported low temperatures in the zone ranged from 24 to 45 degrees. The sub-freezing temperatures occurred in sheltered areas.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2010Every state in 2010This day in weather historyWarnings in Oregon, August 2010
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: 250516, 250518, 250519.