A very warm and wet atmospheric river approached the west coast of the CONUS on the 5th, which brought gusty winds and significant rains to the Sierra and eastern California the 6th through the 7th. Rainfall totals during this event ranged from 1 to 2 inches in much of northeast California and the lower elevations of the northern Sierra. In the higher elevations, up to 4 inches of rain was reported. In Mono County, liquid totals were mainly less than two-thirds of an inch in the valleys, but the higher elevations of the Sierra saw from 1.50 inches to as much as 3 inches.

Heavy Rain in EL DORADO, CALIFORNIA
From 06-APR-18 09:00:00 to 07-APR-18 09:00:00 (PST-8)
Location: VADE
Reported by: Mesonet

Mesonet station ECOC1, Echo Peak (elevation 7652 feet) reported 4.40 inches of rainfall in a 24 hour period from 6 April 0900PST to 7 April 0900PST.

Heavy Rain in PLACER, CALIFORNIA
From 06-APR-18 08:00:00 to 07-APR-18 08:00:00 (PST-8)
Location: TAHOE PINES
Reported by: Mesonet

Mesonet station WRDC1, 2 miles south of Alpine Meadows (elevation 6764 feet) reported 3.40 inches of rainfall in a 24 hour period from 6 April 0800PST to 7 April 0800PST.

Heavy Rain in PLACER, CALIFORNIA
From 06-APR-18 10:46:00 to 07-APR-18 10:46:00 (PST-8)
Location: TAHOE PINES
Reported by: Trained Spotter

Trained weather spotter 1 mile north-northwest of Homewood measured 2.93 inches of rainfall in a 24 hour period from 6 April 1046PST to 7 April 1046PST.

Heavy Rain in NEVADA, CALIFORNIA
From 06-APR-18 07:00:00 to 07-APR-18 07:00:00 (PST-8)
Location: NORDEN
Reported by: Mesonet

Mesonet station DNRC1, Donner Lake (elevation 5924 feet) reported 2.80 inches of rainfall in a 24 hour period from 6 April 0700PST to 7 April 0700PST.

Heavy Rain in ALPINE, CALIFORNIA
From 06-APR-18 08:00:00 to 07-APR-18 08:00:00 (PST-8)
Location: SORENSENS
Reported by: Mesonet

Mesonet station FDCC1, 1 mile east-southeast of Carson Pass (elevation of 8013 feet) reported 2.40 inches of rainfall in a 24 hour period from 6 April 0800PST to 7 April 0800PST.

Heavy Rain in EL DORADO, CALIFORNIA
From 06-APR-18 10:37:00 to 07-APR-18 10:37:00 (PST-8)
Location: MEYERS
Reported by: Trained Spotter

Trained weather spotter 2 miles northwest of Meyers measured 2.25 inches of rainfall over a 24 hour period from 6 April 1037PST to 7 April 1037PST.

Heavy Rain in EL DORADO, CALIFORNIA
From 06-APR-18 08:00:00 to 07-APR-18 08:00:00 (PST-8)
Location: FALLEN LEAF
Reported by: Mesonet

Mesonet station FLFC1, 2 miles southeast of Emerald Bay (elevation 6241 feet) reported 1.90 inches of rainfall in a 24 hour period from 6 April 0800PST to 7 April 0800PST.

Heavy Rain in EL DORADO, CALIFORNIA
From 06-APR-18 10:53:00 to 07-APR-18 10:53:00 (PST-8)
Location: LAKE TAHOE ARPT
Reported by: ASOS

ASOS TVL, South Lake Tahoe Airport (elevation 6257 feet) reported 1.34 inches of rainfall in a 24 hour period from 6 April 0953PST to 7 April 0953PST.

Heavy Rain in LASSEN, CALIFORNIA
From 06-APR-18 07:13:00 to 07-APR-18 07:13:00 (PST-8)
Location: CLEAR CREEK
Reported by: Mesonet

Mesonet station AT488, 2 miles west of Westwood (elevation 4944 feet) reported 1.86 inches of rainfall in a 24 hour period from 6 April 0713PST to 7 April 0713PST.

Heavy Rain in LASSEN, CALIFORNIA
From 06-APR-18 10:43:00 to 07-APR-18 10:43:00 (PST-8)
Location: SUSANVILLE
Reported by: Trained Spotter

Trained weather spotter 6 miles south-southeast of Susanville measured 1.61 inches of rainfall in a 24 hour period from 6 April 1043PST to 7 April 1043PST.

Heavy Rain in LASSEN, CALIFORNIA
From 06-APR-18 07:09:00 to 07-APR-18 07:09:00 (PST-8)
Location: MILFORD
Reported by: Mesonet

Mesonet station D5697, 3 miles east-southeast of Honey Lake (elevation 4259 feet) reported 1.56 inches of rainfall in a 24 hour period from 6 April 0709PST to 7 April 0709PST.

Heavy Rain in LASSEN, CALIFORNIA
From 06-APR-18 07:00:00 to 07-APR-18 07:00:00 (PST-8)
Location: SUSANVILLE
Reported by: CoCoRaHS

CoCoRaHS station CA-LS-2, 3 miles south-southwest of Susanville reported 1.12 inches of rainfall in a 24 hour period from 6 April 0700PST to 7 April 0700PST.

Heavy Rain in LASSEN, CALIFORNIA
From 06-APR-18 06:40:00 to 07-APR-18 06:40:00 (PST-8)
Location: KARLO
Reported by: Mesonet

Mesonet station HLKC1, 13 miles south-southwest of Ravendale (5100 feet) reported 1.07 inches of rainfall in a 24 hour period from 6 April 0640PST to 7 April 0640PST.

Heavy Rain in LASSEN, CALIFORNIA
From 06-APR-18 10:44:00 to 07-APR-18 10:44:00 (PST-8)
Location: EAGLE LAKE RESORT
Reported by: Trained Spotter

Trained weather spotter 1 mile north of Spaulding reported 1.01 inches of rainfall in a 24 hour period from 6 April 1044PST to 7 April 1044PST.

Heavy Rain in MODOC, CALIFORNIA
From 06-APR-18 07:00:00 to 07-APR-18 07:00:00 (PST-8)
Location: CEDARVILLE
Reported by: Mesonet

Mesonet station CEDC, 3 miles north of Cedarville (elevation 4600 feet) reported 0.79 inches of rainfall in a 24 hour period from 6 April 0700PST to 7 April 0700PST.

Heavy Rain in MONO, CALIFORNIA
From 06-APR-18 09:00:00 to 07-APR-18 09:00:00 (PST-8)
Location: WALKER
Reported by: Mesonet

Mesonet station SRAC1, Sonora Pass (elevation 8772 feet) reported 2.30 inches of rainfall in a 24 hour period from 6 April 0900PST to 7 April 0900PST.

Heavy Rain in MONO, CALIFORNIA
From 06-APR-18 10:19:00 to 07-APR-18 10:19:00 (PST-8)
Location: MAMMOTH LAKES
Reported by: Mesonet

Mesonet station D5868, 1 mile southwest of Mammoth Lakes (elevation 8012 feet) reported 2.04 inches of rainfall in a 24 hour period from 6 April 1019PST to 7 April 1019PST.

Heavy Rain in MONO, CALIFORNIA
From 06-APR-18 09:00:00 to 07-APR-18 09:00:00 (PST-8)
Location: WALKER
Reported by: Mesonet

Mesonet station LVTC1, Leavitt Meadows (elevation 7197 feet) reported 1.60 inches of rainfall during a 24 hour time period from 6 April 0900PST to 7 April 0900PST.

Heavy Rain in MONO, CALIFORNIA
From 06-APR-18 10:00:00 to 07-APR-18 10:00:00 (PST-8)
Location: JUNE LAKE
Reported by: Mesonet

Mesonet station JMWC1, June Mountain (elevation 9148 feet) measured 1.18 inches of rainfall during a 24 hour period from 6 April 1000PST to 7 April 1000PST.

Heavy Rain in NEVADA, CALIFORNIA
From 06-APR-18 04:55:00 to 07-APR-18 04:55:00 (PST-8)
Location: (TRK)TRUCKEE/TAHOE A
Reported by: ASOS

ASOS TRK, Truckee Airport (elevation 5899 feet) reported 1.12 inches of rainfall in a 24 hour period from 6 April 0455PST to 7 April 0455PST.

Heavy Rain in NEVADA, CALIFORNIA
From 06-APR-18 10:49:00 to 07-APR-18 10:49:00 (PST-8)
Location: BOCA
Reported by: COOP Observer

COOP observer 1 mile south-southwest of Boca Reservoir (elevation 5589 feet) measured 0.94 inches of rainfall in a 24 hour period from 6 April 1049PST to 7 April 1049PST.

Heavy Rain in PLACER, CALIFORNIA
From 06-APR-18 07:13:00 to 07-APR-18 07:13:00 (PST-8)
Location: BIG CHIEF
Reported by: Mesonet

Mesonet station D9019, Squaw Valley (elevation 6217 feet) reported 2.03 inches of rainfall in a 24 hour period from 6 April 0713PST to 7 April 0713PST.

Heavy Rain in PLACER, CALIFORNIA
From 06-APR-18 10:52:00 to 07-APR-18 10:52:00 (PST-8)
Location: TAHOE CITY
Reported by: COOP Observer

COOP observer in Tahoe City measured 1.71 inches of rainfall in a 24 hour period from 6 April 1052PST to 7 April 1052PST.

Heavy Rain in PLUMAS, CALIFORNIA
From 06-APR-18 07:00:00 to 07-APR-18 07:00:00 (PST-8)
Location: PORTOLA
Reported by: COOP Observer

COOP observer station PRAC1, Portola reported 0.84 inches of rainfall in a 24 hour period from 6 April 0700PST to 7 April 0700PST.

Heavy Rain in PLUMAS, CALIFORNIA
From 06-APR-18 07:00:00 to 07-APR-18 07:00:00 (PST-8)
Location: PORTOLA
Reported by: Mesonet

Mesonet station DVSC1, Lake Davis (elevation 5768 feet) reported 1.32 inches of rainfall in a 24 hour period from 6 April 0700PST to 7 April 0700PST.

Heavy Rain in PLUMAS, CALIFORNIA
From 06-APR-18 10:00:00 to 07-APR-18 10:00:00 (PST-8)
Location: GENESEE
Reported by: Mesonet

Mesonet station KRKC1, 6 miles west-southwest of Antelope Lake (elevation 7297 feet) reported 1.84 inches of rainfall in a 24 hour period from 6 April 1000PST to 7 April 1000PST.

Heavy Rain in SIERRA, CALIFORNIA
From 06-APR-18 06:49:00 to 07-APR-18 06:49:00 (PST-8)
Location: PEAVINE
Reported by: Mesonet

Mesonet station DOGC1, Dog Valley (elevation 5976 feet) reported 0.90 inches of rainfall in a 24 hour period from 6 April 0649PST to 7 April 0649PST.

Heavy Rain in SIERRA, CALIFORNIA
From 06-APR-18 07:11:00 to 07-APR-18 07:11:00 (PST-8)
Location: SIERRAVILLE
Reported by: Mesonet

Mesonet station D9436, 1 mile southwest of Sierraville (elevation 5100 feet) reported 1.75 inches of rainfall in a 24 hour period from 6 April 0711PST to 7 April 0711PST.

Heavy Rain in SIERRA, CALIFORNIA
From 06-APR-18 07:00:00 to 07-APR-18 07:00:00 (PST-8)
Location: SIERRAVILLE DRWTR AR
Reported by: COOP Observer

COOP observer station SERC1, Sierraville Ranger Station reported 1.29 inches of rainfall in a 24 hour period from 6 April 0700PST to 7 April 0700PST.