Another weak atmospheric river moved over SoCal between March 6-11, bringing light to moderate rain, significant lightning and snow between 5000 and 7000 ft. Urban rainfall impacts from heavier rain showers occurred in the Inland Empire. Significant lightning from warm frontal lift and instability occurred throughout most of the region, with 500 cloud flashes and 330 cloud-to-ground strikes. Gusty winds occurred with this system, with the top wind gust of 98 mph at Burns Canyon in the San Bernardino Mountains.

High Wind in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 06-MAR-19 06:00:00 to 06-MAR-19 07:00:00 (PST-8)
Magnitude: 85.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Burns Canyon mesonet recorded a peak wind gust of 98 mph between 0600 and 0700 PST on March 6th.

High Wind in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 06-MAR-19 06:00:00 to 06-MAR-19 07:00:00 (PST-8)
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wrightwood mesonet recorded a peak wind gust of 76 mph between 0600 and 0700 PST on March 6th.

High Wind in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 06-MAR-19 09:00:00 to 06-MAR-19 10:00:00 (PST-8)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Toro Peak mesonet recorded a peak wind gust of 63 mph between 0900 and 1000 PST on March 6th.

Heavy Snow in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 10-MAR-19 00:00:00 to 11-MAR-19 23:59:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported 12.5 inches of storm total snow in Big Bear City.

Flood in ORANGE, CALIFORNIA
From 06-MAR-19 09:00:00 to 06-MAR-19 13:00:00 (PST-8)
Location: FREEWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

CalTrans reported HOV lane flooded on northbound 5 freeway due to heavy rain.

Flood in SAN BERNARDINO, CALIFORNIA
From 06-MAR-19 11:00:00 to 06-MAR-19 14:00:00 (PST-8)
Location: (ONT)ONTARIO ITNL AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

CalTrans reported flooding in the right hand lane of Highway 60 due to heavy rain.

Winter Weather in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 10-MAR-19 00:00:00 to 11-MAR-19 23:59:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Manager reported 3 inches storm total snow at Palomar Mountain.

Dense Fog in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 06-MAR-19 10:00:00 to 06-MAR-19 12:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

CalTrans reported dense fog with visibility less than a mile in the Cajon Pass around 1100 PST on March 6th.

Debris Flow in SAN BERNARDINO, CALIFORNIA
From 06-MAR-19 11:00:00 to 06-MAR-19 14:00:00 (PST-8)
Location: GREEN VLY LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

CalTrans reported mud/rock slide on Highway 18 east of Lakeview Point.

Heavy Snow in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 10-MAR-19 00:00:00 to 11-MAR-19 23:59:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHs observer reported 11 inches of storm total snow in Fawnskin.

Flood in RIVERSIDE, CALIFORNIA
From 06-MAR-19 08:00:00 to 06-MAR-19 12:00:00 (PST-8)
Location: CRESTMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

CalTrans reported street flooding on Highway 60 and Rubidoux Blvd in Riverside due to heavy rain and clogged drains.