A Pacific front moved through interior Northern California bringing rain and mountain snow. Increased shear and instability developed in the afternoon that producing severe storms with large hail and an EF1 tornado.

Thunderstorm Wind in PLACER, CALIFORNIA
From 15-NOV-15 14:10:00 to 15-NOV-15 14:15:00 (PST-8)
Location: NEWCASTLE
Magnitude: 52.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

A mobile home in Newcastle had the outer roof and carport ripped off around 2:13 pm PST, with little other damage to neighboring home except for some tree branches. The damage was determined to due to straight line winds from a microburst.

Hail in PLACER, CALIFORNIA
From 15-NOV-15 13:20:00 to 15-NOV-15 13:30:00 (PST-8)
Location: OPHIR
Magnitude: 0.75 
Crop damage: 0.00K
Reported by: Public

Dime size hail pile up and covered the road, causing slippery conditions.

Hail in EL DORADO, CALIFORNIA
From 15-NOV-15 14:35:00 to 15-NOV-15 14:45:00 (PST-8)
Location: COLOMA
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail covered the ground.

Heavy Rain in EL DORADO, CALIFORNIA
From 15-NOV-15 07:00:00 to 16-NOV-15 07:20:00 (PST-8)
Location: PACIFIC
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

There was 1.22 inches of rain reported by spotter Pacific House, 24 hour total. New snow depth of 1 inch.

Heavy Rain in EL DORADO, CALIFORNIA
From 15-NOV-15 07:00:00 to 16-NOV-15 07:20:00 (PST-8)
Location: KYBURZ
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

There was 0.79 inches of rain, which was briefly heavy. This is the 24 hour total.

Heavy Rain in SHASTA, CALIFORNIA
From 15-NOV-15 08:00:00 to 16-NOV-15 08:00:00 (PST-8)
Location: SIMS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

There was 1.10 inches of rain measured, 24 hour total.

Heavy Snow in BURNEY BASIN/EASTERN SHASTA COUNTY, CALIFORNIA
From 15-NOV-15 06:30:00 to 15-NOV-15 18:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

There were 10 inches of snow measured at the Kingvale Caltrans maintenance yard over 12 hours, at an elevation of 6100 feet.

Heavy Snow in WEST SLOPE NORTHERN SIERRA NEVADA, CALIFORNIA
From 15-NOV-15 08:00:00 to 16-NOV-15 08:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 10 inches of new snow, water equivalent 0.92 inches, over 24 hours.

Heavy Snow in WEST SLOPE NORTHERN SIERRA NEVADA, CALIFORNIA
From 15-NOV-15 08:00:00 to 16-NOV-15 08:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

There were 12-14 inches of snow measured at Kirkwood Ski Resort, over 24 hours.

Thunderstorm Wind in BUTTE, CALIFORNIA
From 15-NOV-15 12:40:00 to 15-NOV-15 12:55:00 (PST-8)
Location: BIGGS
Magnitude: 43.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees and power lines were knocked down in east Biggs by winds from a microburst. The California Highway Patrol, Cal Fire-Butte County and Pacific Gas and Electric responded to reports of downed power lines on Dos Rios Road in East Biggs. PG&E���s outage map indicated that about 104 residences were affected by the outage as late as 5 p.m. Sunday.

Tornado in STANISLAUS, CALIFORNIA
From 15-NOV-15 13:54:00 to 15-NOV-15 14:15:00 (PST-8)
Location: DENAIR
Tornado F-scale: EF1
Property damage: 1000.00K
Crop damage: 200.00K
Reported by: NWS Storm Survey

A severe thunderstorm produced a tornado with multiple touch downs that moved through the north section of Denair, CA touching down around 1:54 pm PST and ending around 2:15 pm PST on Sunday, November 15, 2015. There were no injuries. About 21 homes were impacted, 2 of them with major damage, but most with minor roof damage. Many fences were knocked down. Numerous trees and tree branches were brought down, including several large trees and numerous sections of trees in walnut groves. Power lines were knocked down causing local power outages. The multiple touch down path was about 3 miles long.  The damage path was about 175-200 yards at the widest point.