California, 2024

Heavy Snow and High Wind in California, April 3 to 5, 2024

April 3 to 5, 2024 · NWS REV · 5 events in 3 counties and zones

A strong cold front brought a warm but windy day on the 1st of April followed by another round of cold and unsettled weather by the 2nd of April that continued through the weekend. This system resulted in unseasonably cold weather for early April with a round of wind and snow showers at all elevations.

Where it happened

Every event with a place to put it; 5 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
5

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 REV wrote it up.

A strong cold front brought a warm but windy day on the 1st of April followed by another round of cold and unsettled weather by the 2nd of April that continued through the weekend. This system resulted in unseasonably cold weather for early April with a round of wind and snow showers at all elevations. Expected impacts included slick roads, especially during the nighttime/early morning commute hours in the Sierra and surrounding foothill areas.

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 Reno, NV wrote its last area forecast discussion before the first event at Apr 3, 1:29 PM PST, 2 hours 46 minutes earlier.

Area forecast discussion, Apr 3, 1:29 PM PST, 2 hours 46 minutes before
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In the hours before

Special weather statement, Apr 3, 12:06 PM PST, 4 hours 9 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

2 high wind, 2 heavy snow, 1 winter weather. Local standard time, as filed.

High Wind, Greater Lake Tahoe Area

When
April 3, 4:15 PM PST
Where
Greater Lake Tahoe Area forecast zone
Measured
81 kt (93 mph) measured gust
Reported by
Mesonet
Coordinates
38.935, -120.458 (the zone’s center; the record gives no point)

Mesonet station located at Palisades Tahoe, at Alpine Meadows, reported a peak wind gust of 93 mph.

High Wind, Mono

When
April 3, 6:35 PM PST
Where
Mono forecast zone
Measured
74 kt (85 mph) measured gust
Reported by
Mesonet
Coordinates
37.939, -118.887 (the zone’s center; the record gives no point)

Mesonet station (MTH01-MAMMOTH) located 0.9 mi S of Mammoth Mountain, CA, reported peak wind gusts of 85 mph.

Heavy Snow, Lassen/Eastern Plumas/Eastern Sierra

When
April 4, 6:00 AM PST to April 5, 6:00 AM PST
Where
Lassen/Eastern Plumas/Eastern Sierra forecast zone
Reported by
Trained Spotter
Coordinates
40.086, -120.650 (the zone’s center; the record gives no point)

A trained spotter located 5.0 mi WNW of Susanville, CA, reported a 24 hour storm total snowfall amount of 6.5 inches.

Winter Weather, Lassen/Eastern Plumas/Eastern Sierra

When
April 4, 6:00 AM PST to April 5, 6:00 AM PST
Where
Lassen/Eastern Plumas/Eastern Sierra forecast zone
Reported by
Trained Spotter
Coordinates
40.086, -120.650 (the zone’s center; the record gives no point)

A trained spotter located 5.0 mi WNW of Susanville, CA, reported a 24 hour storm total snowfall amount of 6.5 inches.

Heavy Snow, Mono

When
April 4, 7:00 AM PST to April 5, 7:00 AM PST
Where
Mono forecast zone
Reported by
Public
Coordinates
37.939, -118.887 (the zone’s center; the record gives no point)

The public located at the Mammoth Mountain Ski Summit, CA, and the June Lake Ski Base, CA, Main Lodge, reported a 24 hour snowfall amounts of 19.0 inches and 13.0 inches respectively.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.
Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

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

The same day elsewhere

More

Every storm in California in 2024Every state in 2024This day in weather historyWarnings in California, April 2024

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: 1185034, 1185035, 1185047, 1193486, 1185046.