California, 2018Heavy Snow and Winter Weather in California, March 13 to 16, 2018
March 13 to 16, 2018 · NWS EKA · 22 events in 5 counties and zones
A cold upper trough positioned over the region yielded mountain snow.
Every event with a place to put it; 18 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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- Floods
- Wind
- Hail
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- Heat and drought
- Cold
- Fire, smoke and dust
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Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 22
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.
A cold upper trough positioned over the region yielded mountain snow.
Winter Weather, Northwestern Mendocino Interior
- When
- March 13, 7:00 PM PST to March 14, 6:00 AM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Spotter reported 4 inches of snow at an elevation of 3750 feet.
Winter Weather, Northwestern Mendocino Interior
- When
- March 14, 3:00 PM PST to March 15, 9:16 AM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Public
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Public report of 4 inches of snow at an elevation of 3750 feet.
Heavy Snow, Northern Humboldt Interior
- When
- March 15, 1:00 AM PST to 3:00 PM PST
- Where
- Northern Humboldt Interior forecast zone
- Reported by
- County Official
- Coordinates
- 40.705, -123.916 (the zone’s center; the record gives no point)
Report of 8 inches of snow.
Winter Weather, Southern Humboldt Interior
- When
- March 15, 2:00 AM PST to 8:11 AM PST
- Where
- Southern Humboldt Interior forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 40.705, -123.916 (the zone’s center; the record gives no point)
Spotter reported 1 inch of snow at an elevation of 2800 feet.
Winter Weather, Northwestern Mendocino Interior
- When
- March 15, 2:00 AM PST to 8:59 AM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Spotter reported 2 inches of snow at an elevation of 2000 feet.
Winter Weather, Southern Humboldt Interior
- When
- March 15, 2:00 AM PST to 9:30 AM PST
- Where
- Southern Humboldt Interior forecast zone
- Reported by
- Public
- Coordinates
- 40.705, -123.916 (the zone’s center; the record gives no point)
Public report of 2 inches of snow at an elevation of 2400 feet.
Winter Weather, Northwestern Mendocino Interior
- When
- March 15, 3:00 AM PST to 7:00 AM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Public
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Public report of 1 inch of snow at an elevation of 1750 feet.
Winter Weather, Northwestern Mendocino Interior
- When
- March 15, 3:00 AM PST to 10:04 AM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Public
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Public report of 1.5 inches of snow at an elevation of 2000 feet.
Winter Weather, Northern Trinity
- When
- March 15, 3:00 AM PST to 10:00 AM PST
- Where
- Northern Trinity forecast zone
- Reported by
- Public
Public report of 0.3 inch of snow at an elevation of 1255 feet.
Winter Weather, Northern Trinity
- When
- March 15, 3:00 AM PST to 12:00 PM PST
- Where
- Northern Trinity forecast zone
- Reported by
- Trained Spotter
Spotter report of 1 inch of snow at an elevation of 1950 feet.
Winter Weather, Southern Trinity
- When
- March 15, 3:00 AM PST to 11:16 AM PST
- Where
- Southern Trinity forecast zone
- Reported by
- Law Enforcement
- Coordinates
- 40.651, -123.113 (the zone’s center; the record gives no point)
Two inches of snow reported. Single vehicle slid 30 feet of the road due to slick road conditions.
Winter Weather, Northwestern Mendocino Interior
- When
- March 15, 3:00 AM PST to 8:02 PM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Public
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Public report of 2 inches of snow at an elevation of 2500 feet.
Winter Weather, Southern Humboldt Interior
- When
- March 15, 3:00 AM PST to March 16, 8:00 AM PST
- Where
- Southern Humboldt Interior forecast zone
- Reported by
- Public
- Coordinates
- 40.705, -123.916 (the zone’s center; the record gives no point)
Public report of 4 inches of snow at an elevation of 2800 feet.
Winter Weather, Southern Trinity
- When
- March 15, 3:00 AM PST to 3:50 PM PST
- Where
- Southern Trinity forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 40.651, -123.113 (the zone’s center; the record gives no point)
Spotter report of 5 inches of snow at an elevation of 3000 feet.
Winter Weather, Southern Trinity
- When
- March 15, 4:00 AM PST to 9:58 AM PST
- Where
- Southern Trinity forecast zone
- Reported by
- Public
- Coordinates
- 40.651, -123.113 (the zone’s center; the record gives no point)
Public report of 2 inches of snow at an elevation of 3000 feet.
Heavy Snow, Northern Trinity
- When
- March 15, 4:00 AM PST to 9:30 AM PST
- Where
- Northern Trinity forecast zone
- Reported by
- Public
Public report of 6 inches of snow. Elevation was around 2700 feet.
Winter Weather, Southern Trinity
- When
- March 15, 4:00 AM PST to 2:00 PM PST
- Where
- Southern Trinity forecast zone
- Reported by
- Public
- Coordinates
- 40.651, -123.113 (the zone’s center; the record gives no point)
Public report of 2 inches of snow.
Winter Weather, Northwestern Mendocino Interior
- When
- March 15, 4:00 AM PST to 10:25 AM PST
- Where
- Northwestern Mendocino Interior forecast zone
- Reported by
- Public
- Coordinates
- 39.434, -123.432 (the zone’s center; the record gives no point)
Public report of 2 inches of snow at an elevation of 2900 feet.
Winter Weather, Northern Trinity
- When
- March 15, 4:00 AM PST to 1:00 PM PST
- Where
- Northern Trinity forecast zone
- Reported by
- Public
Public report of 6 inches of snow at an elevation of 3400 feet.
Winter Weather, Southern Humboldt Interior
- When
- March 15, 10:18 AM PST to 11:18 AM PST
- Where
- Southern Humboldt Interior forecast zone
- Reported by
- Public
- Coordinates
- 40.705, -123.916 (the zone’s center; the record gives no point)
Public report of 3 inches of snow. Snowfall rate reported to be 3 inches per hour. Elevation was 2500 feet.
Winter Weather, Southern Humboldt Interior
- When
- March 15, 8:00 PM PST to March 16, 10:13 AM PST
- Where
- Southern Humboldt Interior forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 40.705, -123.916 (the zone’s center; the record gives no point)
Spotter report of 4 inches of snow at an elevation of 2750 feet.
Winter Weather, Southern Trinity
- When
- March 15, 8:00 PM PST to March 16, 10:11 AM PST
- Where
- Southern Trinity forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 40.651, -123.113 (the zone’s center; the record gives no point)
Spotter report of 5 inches of snow at an elevation of 3000 feet.
- Winter Weather
- Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
- 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.
- Flooding in Idaho, March 13 to 31, 2018$2.4 million · 7 events
- Blizzard and Winter Storm in Massachusetts, March 13 to 14, 2018$484,000 · 67 kt wind · 22 events
- Winter Storm and Winter Weather in Vermont, March 13 to 15, 2018$185,000 · 16 events
- Heavy Snow and Winter Weather in North Carolina, March 13 to 15, 2018$100,000 · 2 events
- Winter Storm and Winter Weather in New York, March 13 to 15, 2018$70,000 · 9 events
- Heavy Snow and Heavy Rain in California, March 13 to 17, 201834 events
- Dust Storm and Heavy Snow in Nevada, March 13 to 17, 201827 events
- Blizzard and Heavy Snow in Maine, March 13 to 14, 201822 events
- Heavy Snow in New Hampshire, March 13 to 14, 201815 events
- Winter Storm in Maine, March 13 to 15, 201814 events
- Frost and Freeze in Alabama, March 13, 201811 events
- Frost and Freeze in Alabama, March 13 to 14, 201810 events
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: 739627, 739630, 739642, 739628, 739629, 739631, 739633, 739634, 739635, 739637, 739643, 739644, 739645, 741741, 739632, 739639, 739640, 741739, 741740, 739636, 739647, 741743.