California, 2019

Winter Storm and Heavy Snow in California, November 28 to 29, 2019

November 28 to 29, 2019 · NWS LOX · 4 events in 4 counties and zones

A cold and powerful winter storm brought significant winter storm conditions to the Antelope Valley as well as the mountains of Santa Barbara, Ventura and Los Angeles counties. Snow levels bottomed out to between 2000 and 3000 feet.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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 LOX wrote it up.

A cold and powerful winter storm brought significant winter storm conditions to the Antelope Valley as well as the mountains of Santa Barbara, Ventura and Los Angeles counties. Snow levels bottomed out to between 2000 and 3000 feet. Across the Antelope Valley, snowfall totals of 3 to 7 inches were reported. In the mountains, snowfall totals up to 34 inches were recorded. Additionally, gusty winds in excess of 50 MPH were reported.

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 Los Angeles, CA wrote its last area forecast discussion before the first event at Nov 27, 3:05 PM PST, 19 hours 55 minutes earlier.

Area forecast discussion, Nov 27, 3:05 PM PST, 19 hours 55 minutes before
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Event by event

3 winter storm, 1 heavy snow. Local standard time, as filed.

Heavy Snow, Antelope Valley

When
November 28, 11:00 AM PST to November 29, 4:00 AM PST
Where
Antelope Valley forecast zone
Reported by
Trained Spotter

Heavy snow blanketed the Antelope Valley as snow levels dropped to around 2000 feet. Weather spotters reported between 3 and 7 inches of snowfall, both in the foothills as well as the valley floor. Significant travel issues were reported, including the closure of Highway 138.

Winter Storm, Ventura County Mountains

When
November 28, 11:00 AM PST to November 29, 4:00 AM PST
Where
Ventura County Mountains forecast zone
Reported by
Trained Spotter

Heavy snowfall and gusty winds impacted the mountains of Ventura county. Snow levels dropped to between 2000 and 3000 feet. Snowfall totals ranged between 12 and 24 inches above 5000 feet with 6-12 inches down to around 3000 feet. Additionally, gusty winds in excess of 50 MPH were reported. These winter storm conditions resulted in significant travel issues, including closure of parts of Highway 33.

Winter Storm, Los Angeles County Mountains Excluding the Santa Monica Range

When
November 28, 11:00 AM PST to November 29, 4:00 AM PST
Where
Los Angeles County Mountains Excluding the Santa Monica Range forecast zone
Reported by
Trained Spotter

Heavy snowfall and gusty winds impacted the mountains of Los Angeles county. Snow levels dropped to between 2000 and 3000 feet. Snowfall totals ranged between 24 and 34 inches above 6000 feet with 6-12 inches down to around 4000 feet. Additionally, gusty winds in excess of 50 MPH were reported. These winter storm conditions resulted in significant travel issues, including closure of parts of interstate 5, Highway 14 and Highway 138.

Winter Storm, Santa Barbara County Mountains

When
November 28, 11:00 AM PST to November 29, 4:00 AM PST
Where
Santa Barbara County Mountains forecast zone
Reported by
Trained Spotter

Heavy snowfall and gusty winds impacted the mountains of Santa Barbara county. Snow levels dropped to between 2000 and 3000 feet. Estimated snowfall totals ranged between 6 and 16 inches. Additionally, gusty winds in excess of 50 MPH were reported.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.
Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2019Every state in 2019This day in weather historyWarnings in California, November 2019

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 2026-10-01. Each event’s entry at NCEI: 863904, 863907, 863908, 863909.