A relatively warm storm with a concentrated moisture plume brought heavy rain, especially in the mountains and foothills. Rain amounts from 5 to 8 inches were reported in the Sierra, and runoff caused minor flooding. Snow levels were high, with only the highest peaks seeing some wet snow.

Heavy Rain in SHASTA, CALIFORNIA
From 09-DEC-16 07:00:00 to 10-DEC-16 07:00:00 (PST-8)
Location: SIMS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in Sims reported heavy rain, with 1.83 over 24 hours.

Flood in NEVADA, CALIFORNIA
From 10-DEC-16 08:00:00 to 10-DEC-16 20:00:00 (PST-8)
Location: NEVADA CITY
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Roadway flooding was reported in Nevada County as creeks went over their banks. This also included flooding into a downtown Nevada City garage and into residential backyards.

Flood in NEVADA, CALIFORNIA
From 10-DEC-16 08:00:00 to 10-DEC-16 20:00:00 (PST-8)
Location: ALTA HILL
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wolf Creek in Grass Valley flooded into residential backyards.  In addition, road flooding was reported in the area.

Heavy Rain in SHASTA, CALIFORNIA
From 09-DEC-16 08:00:00 to 10-DEC-16 08:00:00 (PST-8)
Location: REDDING
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter 1 mile north of Redding reported heavy rain, 1.87 over 24 hours.

Heavy Rain in BUTTE, CALIFORNIA
From 09-DEC-16 22:00:00 to 10-DEC-16 21:59:00 (PST-8)
Location: PARADISE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A CC-OP observere reported heavy rain, 3.45 24 hour total.

Heavy Rain in NEVADA, CALIFORNIA
From 09-DEC-16 22:00:00 to 10-DEC-16 21:59:00 (PST-8)
Location: NEVADA CITY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An emergency manager in Nevada City reported heavy rain, 7.26 over 24 hours.

Heavy Rain in PLACER, CALIFORNIA
From 09-DEC-16 22:00:00 to 10-DEC-16 21:59:00 (PST-8)
Location: (BLU)BLUE CANYON ARP
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The observation at Blue Canyon ASOS was 6.53 over 24 hours.

Heavy Rain in EL DORADO, CALIFORNIA
From 10-DEC-16 07:00:00 to 11-DEC-16 07:00:00 (PST-8)
Location: KYBURZ
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter at Kyburz reported 2.02 over 24 hours.

Heavy Rain in NEVADA, CALIFORNIA
From 10-DEC-16 10:00:00 to 11-DEC-16 10:00:00 (PST-8)
Location: SODA SPGS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in Kingvale reported 4.28 of rain over 24 hours, a 3 day total of 8.09.

Flood in NEVADA, CALIFORNIA
From 11-DEC-16 00:00:00 to 12-DEC-16 12:00:00 (PST-8)
Location: CRYSTAL LAKE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The Rainbow Lodge experienced basement flooding as the South Fork of the Yuba River rose out of its banks. This damaged tools and other items in the basement.

Heavy Rain in EL DORADO, CALIFORNIA
From 09-DEC-16 07:00:00 to 10-DEC-16 15:00:00 (PST-8)
Location: KYBURZ
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in Kyburz reported heavy rain, 0.62 over 24 hours.