An area of low pressure aloft allowed several shortwaves to pass over northern and central California the 25th through the 28th. High winds ahead of the main upper level wave developed the 25th before a series of shortwaves brought heavy snow and rain to the Sierra Nevada and portions of Eastern California.

Heavy Rain in NEVADA, CALIFORNIA
From 27-MAR-19 09:00:00 to 28-MAR-19 09:00:00 (PST-8)
Location: NORDEN
Reported by: Mesonet

Mesonet station DNRC1, near Donner Lake reported 0.90 inches of rainfall in a 24 hour period from 27 March 0900PST to 28 March 0900PST. Mesonet elevation 5924 feet MSL.

High Wind in LASSEN/EASTERN PLUMAS/EASTERN SIERRA, CALIFORNIA
From 25-MAR-19 01:00:00 to 25-MAR-19 01:01:00 (PST-8)
Magnitude: 50.00 MG
Reported by: Mesonet

Mesonet JDPC1 9 miles northwest of Frenchman Lake measured a wind gust of 58 mph (elevation 6812 feet MSL).

High Wind in LASSEN/EASTERN PLUMAS/EASTERN SIERRA, CALIFORNIA
From 25-MAR-19 09:53:00 to 25-MAR-19 09:54:00 (PST-8)
Magnitude: 58.00 MG
Reported by: Mesonet

Mesonet LDRC1 17 miles south of Pittville measured a wind gust of 67 mph (elevation 5672 feet MSL).

High Wind in LASSEN/EASTERN PLUMAS/EASTERN SIERRA, CALIFORNIA
From 25-MAR-19 11:30:00 to 25-MAR-19 11:31:00 (PST-8)
Magnitude: 58.00 MG
Reported by: Mesonet

Mesonet RNYC1 4 miles south-southeast of Sierraville measured a wind gust of 67 mph (elevation 6943 feet MSL).

Heavy Rain in SIERRA, CALIFORNIA
From 27-MAR-19 06:00:00 to 28-MAR-19 06:00:00 (PST-8)
Location: SIERRAVILLE
Reported by: CoCoRaHS

CoCoRaHS Station CA-SI-2, 1 mile southwest of Sierraville reported 0.75 inches of rainfall over a 24 hour period from 27 March 0600PST to 28 March 0600PST.

High Wind in MONO, CALIFORNIA
From 27-MAR-19 18:34:00 to 27-MAR-19 18:35:00 (PST-8)
Magnitude: 94.00 MG
Reported by: Mesonet

Mesonet MTH03 atop Mammoth Mountain measured a wind gust of 108 mph (elevation 11053 feet MSL).

Winter Weather in MONO, CALIFORNIA
From 27-MAR-19 06:00:00 to 28-MAR-19 06:00:00 (PST-8)
Reported by: Public

South and west of US Highway 395 along the eastern Sierra Nevada, 16 and 12 inches of snow fell at June Mountain Resort (elevation 8664 feet MSL) and Mammoth Mountain (elevation 11083 feet MSL), respectively.

Heavy Rain in LASSEN, CALIFORNIA
From 27-MAR-19 09:00:00 to 28-MAR-19 09:00:00 (PST-8)
Location: LODGEPOLE
Reported by: Mesonet

Mesonet station BOGC1, 16 miles west-southwest of Spaulding reported 0.77 inches of rainfall in a 24 hour period from 27 March 0900PST to 28 March 0900PST. Mesonet elevation 5673 feet MSL.

High Wind in MONO, CALIFORNIA
From 25-MAR-19 11:20:00 to 25-MAR-19 11:21:00 (PST-8)
Magnitude: 50.00 MG
Reported by: Mesonet

Mesonet SE089 1 mile southwest of Conway Summit measured a wind gust of 58 mph (elevation 8822 feet MSL).

High Wind in MONO, CALIFORNIA
From 25-MAR-19 11:30:00 to 25-MAR-19 11:31:00 (PST-8)
Magnitude: 71.00 MG
Reported by: Mesonet

Mesonet WMSRS atop White Mountain Summit measured a wind gust of 82 mph (elevation 14246 feet MSL).

High Wind in MONO, CALIFORNIA
From 25-MAR-19 11:47:00 to 25-MAR-19 11:48:00 (PST-8)
Magnitude: 63.00 MG
Reported by: Mesonet

Mesonet MTH03 atop Mammoth Mountain measured a wind gust of 72 mph (elevation 11053 feet MSL).

Heavy Rain in EL DORADO, CALIFORNIA
From 27-MAR-19 06:00:00 to 28-MAR-19 06:00:00 (PST-8)
Location: MEYERS
Reported by: CoCoRaHS

CoCoRaHS Station CA-ED-20, 1 mile northwest of Meyers reported 1.16 inches of rainfall over a 24 hour period from 27 March 0600 PST to 28 March 0600PST.

Heavy Rain in PLACER, CALIFORNIA
From 27-MAR-19 07:00:00 to 28-MAR-19 07:00:00 (PST-8)
Location: TAHOE CITY
Reported by: COOP Observer

A CO-OP Observer in Tahoe City reported 0.83 inches of rainfall in a 24 hour period from 27 March 0700PST to 28 March 0700PST. Observer elevation 6230 feet MSL.

Heavy Rain in EL DORADO, CALIFORNIA
From 27-MAR-19 03:53:00 to 28-MAR-19 03:53:00 (PST-8)
Location: (TVL)TAHOE VLY
Reported by: ASOS

ASOS TVL, South Lake Tahoe Airport reported 1.27 inches of rainfall in a 24 hour period from 27 March 0353PST to 28 March 0353PST. ASOS elevation 6314 feet MSL.

Heavy Rain in NEVADA, CALIFORNIA
From 27-MAR-19 04:55:00 to 28-MAR-19 04:55:00 (PST-8)
Location: TRUCKEE/TAHOE ARPT
Reported by: AWOS

AWOS TRK, Truckee-Tahoe Airport reported 0.79 inches of rainfall in a 24 hour period from 27 March 0455PST to 28 March 0455PST. AWOS elevation 5900 feet MSL.

Heavy Snow in GREATER LAKE TAHOE AREA, CALIFORNIA
From 27-MAR-19 06:00:00 to 28-MAR-19 06:00:00 (PST-8)
Reported by: Public

Snowfall amounts between 12 and 14 inches fell near and west of California Highway 89 between the 27th and 28th, with much of that falling above 7000 feet. Near lake level at Homewood, 6.5 inches of snow fell. Below 7000 feet east of California Highway 89 and south of Interstate 80, 12 inches of snow fell at Northstar Ski Resort. South of US Highway 50, 6.5 inches of snow fell near Meyers and 15 inches of snow fell at Heavenly Ski Resort.

Heavy Rain in EL DORADO, CALIFORNIA
From 27-MAR-19 06:00:00 to 28-MAR-19 06:00:00 (PST-8)
Location: POMINS
Reported by: COOP Observer

A CO-OP Observer in Tahoma reported 1.27 inches of rainfall in a 24 hour period from 27 March 0600PST to 28 March 0600PST. Observer elevation 6315 feet MSL.