A moderate strength trough of low pressure swept through the SoCal Bight with gusty winds, mountain snow and heavy rainfall. Rainfall totals of 1-2 inches occurred over the coast and valleys, with isolated amounts of 6-8 inches along favored coastal slopes. Snowfall was 2 to 8 inches above 6,000 ft with up to 12 inches on the higher peaks. Wind caused major damage to the historic Bay Theater in San Diego. Around 10 swift water rescues were reported in the Inland Empire and San Bernardino County Mountains.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 09-JAN-18 08:45:00 to 09-JAN-18 09:30:00 (PST-8)
Location: SCOTLAND
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A van drove into flood waters flowing through the normally dry Lytle Creek, resulting in a swift water rescue.

Flood in SAN BERNARDINO, CALIFORNIA
From 09-JAN-18 07:00:00 to 09-JAN-18 09:00:00 (PST-8)
Location: GRAND TERRACE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Three people and a dog were rescued by helicopter from the Santa Ana River Channel at Agua Mansa Rd. and Riverside Ave. in Colton. Several other individuals were swept down stream and rescued in Riverside.

Flood in RIVERSIDE, CALIFORNIA
From 09-JAN-18 06:00:00 to 09-JAN-18 07:00:00 (PST-8)
Location: MENIFEE
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several vehicles were stuck in mud and flooded out. Additional urban flooding was reported elsewhere in the Inland Empire.

Flood in ORANGE, CALIFORNIA
From 09-JAN-18 07:00:00 to 09-JAN-18 08:00:00 (PST-8)
Location: SAN CLEMENTE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

CHP reported large chunks of wood floating down Lemon Crest Dr., the intersection of Lake Jennings Park Rd. and Pino Dr. was completely flooded.

Strong Wind in SAN DIEGO COUNTY COASTAL AREAS, CALIFORNIA
From 09-JAN-18 05:00:00 to 09-JAN-18 07:00:00 (PST-8)
Magnitude: 49.00 MG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Multiple mesonets reported peak wind gusts in the 50-57 mph range between 0500 and 0700 PST, with the focus on southern San Diego. The historic Bay Theater lost it's sign and part of the front of the theater in National City.

High Wind in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 09-JAN-18 06:00:00 to 09-JAN-18 07:00:00 (PST-8)
Magnitude: 62.00 MG
Reported by: Mesonet

A wind gust of 71 mph was reported a Palomar Lookout, with several other gusts into the 60s near Palomar Mountain. Peak wind gusts in the rest of the area were largely in the 35-50 mph range. No was damage reported.

Strong Wind in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 09-JAN-18 06:00:00 to 09-JAN-18 08:00:00 (PST-8)
Magnitude: 43.00 EG
Property damage: 1.00K
Reported by: Law Enforcement

CHP reported two large trees down along Sage Road.

Strong Wind in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 09-JAN-18 05:00:00 to 09-JAN-18 08:00:00 (PST-8)
Magnitude: 49.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Mesonet

A 56 mph wind gust was reported at Otay Mountain. Around 6 large trees were reported down between San Marcos and Fallbrook. Peak winds gusts were in the 50-57 mph range.

Winter Weather in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 08-JAN-18 10:00:00 to 09-JAN-18 20:00:00 (PST-8)
Reported by: Department of Highways

Several rounds of snow impacted the area over roughly a 36 hour period. Peak snowfall amounts of 12 inches were reported above 7000 ft (12 inches at Green Valley Lake). Between 5,500 ft and 7,000 ft amounts were in the 2-8 inch range. Big Bear Lake and Wrightwood reported 2 inches, with 8 inches in Running Springs.

Flood in SAN BERNARDINO, CALIFORNIA
From 09-JAN-18 07:00:00 to 09-JAN-18 09:00:00 (PST-8)
Location: SUMMIT
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

CalTrans reported mud and debris flowing onto Hwy 138, resulting in a closure of the highway.

Flood in SAN BERNARDINO, CALIFORNIA
From 09-JAN-18 07:00:00 to 09-JAN-18 09:00:00 (PST-8)
Location: CEDAR GLEN
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Rains resulted is several rock falls along Hwy 330, that lead in a temporary road closure.

Debris Flow in RIVERSIDE, CALIFORNIA
From 09-JAN-18 06:00:00 to 09-JAN-18 09:00:00 (PST-8)
Location: PRADO DAM
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Social Media

A minor debris flow was reported along Green River Rd. in Corona. The flow was associated with the Canyon 1 Fire.