Heavy Rain in California, January 10 to 11, 2001

Name: Heavy Rain in California, January 10 to 11, 2001
Start: 2001-01-10T09:45
End: 2001-01-11T09:45
Location: California

January 10 to 11, 2001 · NWS STO · 2 events in 2 counties and zones

Automated rain gages throughout Tuolumne and Calaveras counties commonly measured two to three inches of rain in 24 hours. 36 inches.

Where it happened

Every event with a place to put it; 2 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: 2

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 STO wrote it up.

Automated rain gages throughout Tuolumne and Calaveras counties commonly measured two to three inches of rain in 24 hours. The Gianelli gage measured 3.36 inches.

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 Sacramento, CA wrote its last area forecast discussion before the first event at Jan 10, 9:10 AM PST, 35 minutes earlier.

Area forecast discussion, Jan 10, 9:10 AM PST, 35 minutes before

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In the hours before

Special weather statement, Jan 10, 4:00 AM PST, 5 hours 45 minutes before

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Special weather statement, Jan 10, 9:30 AM PST, 15 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 heavy rain. Local standard time, as filed.

Heavy Rain, Calaveras

When: January 10, 9:45 AM PST to January 11, 9:45 AM PST
Where: Calaveras County, Calaveritas
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 38.205, -120.554 (the zone’s center; the record gives no point)

Heavy Rain, Tuolumne

When: January 10, 9:45 AM PST to January 11, 9:45 AM PST
Where: Tuolumne County, Pinecrest
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 38.028, -119.955 (the zone’s center; the record gives no point)

What these are

Heavy Rain: Rainfall totals unusual for the place and season that did not produce a flood.

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

The same day elsewhere

Every storm in California in 2001 Every state in 2001 This day in weather history Warnings in California, January 2001

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: 5228464, 5228465.