Heavy Snow in California, January 22, 2017

Name: Heavy Snow in California, January 22, 2017
Start: 2017-01-22T15:00
End: 2017-01-22T19:30
Location: California

January 22, 2017 · NWS MFR · 1 event in 1 county or zone

The last in a long series of winter storms brought a brief period of heavy snow to northern California.

Where it happened

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.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

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 MFR wrote it up.

The last in a long series of winter storms brought a brief period of heavy snow to northern California.

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 Medford, OR wrote its last area forecast discussion before the first event at Jan 22, 9:20 AM PST, 5 hours 40 minutes earlier.

Area forecast discussion, Jan 22, 9:20 AM PST, 5 hours 40 minutes before

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In the hours before

Local storm report, Jan 22, 9:10 AM PST, 5 hours 50 minutes before

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Local storm report, Jan 22, 9:12 AM PST, 5 hours 48 minutes before

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Local storm report, Jan 22, 9:13 AM PST, 5 hours 47 minutes before

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Local storm report, Jan 22, 9:14 AM PST, 5 hours 46 minutes before

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Local storm report, Jan 22, 9:45 AM PST, 5 hours 15 minutes before

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Local storm report, Jan 22, 1:02 PM PST, 1 hour 58 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, South Central Siskiyou County

When: January 22, 3:00 PM PST to 7:30 PM PST
Where: South Central Siskiyou County forecast zone
Reported by: Trained Spotter
Coordinates: 41.593, -122.540 (the zone’s center; the record gives no point)

A spotter in Mount Shasta City reported 11.0 inches of snow in 4 hours and 30 minutes, ending at 22/1930 PST. A spotter 2SSW Weed reported 8.0 inches of snow in 2 hours ending at 22/1758 PST. A spotter 2S Mount Shasta City reported 8.0 inches of snow in 3 hours and 15 minutes ending at 22/1830 PST.

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

Every storm in California in 2017 Every state in 2017 This day in weather history Warnings in California, January 2017

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 2026-09-30. Each event’s entry at NCEI: 668371.