Heavy Snow in California, December 20 to 21, 2003

Name: Heavy Snow in California, December 20 to 21, 2003
Start: 2003-12-20T19:00
End: 2003-12-21T04:00
Location: California

December 20 to 21, 2003 · NWS HNX · 1 event in 1 county or zone

1 heavy snow, as filed by the National Weather Service.

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.

Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, S Sierra Mtns

When: December 20, 7:00 PM PST to December 21, 4:00 AM PST
Where: S Sierra Mtns forecast zone
Reported by: AWOS,ASOS,MESONET,ETC

A weaker weather system moved through Central California the night of the 20th depositing up to 8" new snow at high elevation mountain locations from Fresno County northward.

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 2003 Every state in 2003 This day in weather history Warnings in California, December 2003

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: 5330716.