The first part of this storm consisted of warm air advection precipitation that spread through the northern Sierra. The second part of this storm moved into the Sierra Nevada and western Nevada on the 21st and 22nd in the form of a fairly significant atmospheric river, tapping a deep plume of moisture moving in from the Eastern Pacific.

Heavy Rain in WASHOE, NEVADA
From 20-MAR-18 06:48:00 to 23-MAR-18 06:48:00 (PST-8)
Location: LAWTON
Reported by: Mesonet

Mesonet station D4069, 4 miles west of Reno reported 1.09 inches of rainfall from 20 March 0648PST to 23 March 0648PST.

Heavy Rain in CARSON CITY (C), NEVADA
From 20-MAR-18 06:48:00 to 23-MAR-18 06:48:00 (PST-8)
Location: CARSON CITY
Reported by: Mesonet

Mesonet station VCEN2, 2 miles west-southwest of Lakeview reported 3.23 inches of storm total rainfall from 20 March 0648PST to 23 March 0648PST.

Heavy Rain in WASHOE, NEVADA
From 20-MAR-18 05:35:00 to 23-MAR-18 05:35:00 (PST-8)
Location: SPARKS
Reported by: CoCoRaHS

CoCoRaHS station NV-WH-87, 1 mile north-northeast of Sparks reported 1.00 inch of storm total rainfall from 20 March 0535PST to 23 March 0535PST.

Heavy Rain in WASHOE, NEVADA
From 20-MAR-18 03:55:00 to 23-MAR-18 03:55:00 (PST-8)
Location: (RNO)CANNON ARPT REN
Reported by: ASOS

ASOS Reno Airport reported 1.07 inches of rainfall from 20 March 0355PST to 23 March 0355PST.

Heavy Rain in WASHOE, NEVADA
From 20-MAR-18 06:38:00 to 23-MAR-18 06:38:00 (PST-8)
Location: GALENA CREEK
Reported by: Mesonet

Mesonet station LVYN2, 4 miles east of Incline Village reported a storm total rainfall amount of 4.56 inches from 20 March 0638PST to 23 March 0638PST.

Heavy Snow in GREATER LAKE TAHOE AREA, NEVADA
From 20-MAR-18 06:49:00 to 23-MAR-18 06:49:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter located 4 miles west-northwest of Mount Rose Summit reported 30.0 inches of storm total snowfall from 20 March 0649PST to 23 March 0649PST.

Heavy Snow in GREATER LAKE TAHOE AREA, NEVADA
From 20-MAR-18 02:52:00 to 23-MAR-18 02:52:00 (PST-8)
Reported by: Public

Mount Rose Ski Area measured 27.0 inches of storm total snowfall from 20 March 0252PST to 23 March 0252PST.

Heavy Snow in GREATER LAKE TAHOE AREA, NEVADA
From 20-MAR-18 11:35:00 to 23-MAR-18 11:35:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter in Incline Village at an elevation of 7580 feet reported a storm total snowfall of 30.0 inches from 20 March 1135PST to 23 March 1135PST.

Heavy Rain in CARSON CITY (C), NEVADA
From 20-MAR-18 11:34:00 to 23-MAR-18 11:34:00 (PST-8)
Location: CARSON CITY
Reported by: Trained Spotter

Trained weather spotter in Carson City reported 2.35 inches of storm total rainfall from 20 March 1134PST to 23 March 1134PST. 0.81 inches of that rain fell from 22 March 1134PST to 23 March 1134PST.

Heavy Rain in STOREY, NEVADA
From 20-MAR-18 07:01:00 to 23-MAR-18 07:01:00 (PST-8)
Location: VIRGINIA CITY
Reported by: Mesonet

Mesonet station AU064 in Virginia City reported 1.40 inches of storm total rainfall from 20 March 0701PST to 23 March 0701PST.

Heavy Rain in LYON, NEVADA
From 20-MAR-18 06:45:00 to 23-MAR-18 06:45:00 (PST-8)
Location: MASON
Reported by: CoCoRaHS

CoCoRaHS station NV-LY-3 in Mason reported 0.76 inches of storm total rainfall from 20 March 0645PST to 23 March 0645PST.

Heavy Rain in DOUGLAS, NEVADA
From 20-MAR-18 05:20:00 to 23-MAR-18 05:20:00 (PST-8)
Location: GARDNERVILLE
Reported by: CoCoRaHS

CoCoRaHS station NV-DG-11, Gardnerville reported 2.33 inches of storm total rainfall from 20 March 0520PST to 23 March 0520PST.

Heavy Rain in DOUGLAS, NEVADA
From 20-MAR-18 06:00:00 to 23-MAR-18 06:00:00 (PST-8)
Location: DOUGLAS CO ARPT
Reported by: CoCoRaHS

CoCoRaHS station NV-DG-2, Johnson Lane reported 1.61 inches of storm total rainfall from 20 March 0600PST to 23 March 0600PST.

Avalanche in GREATER LAKE TAHOE AREA, NEVADA
From 22-MAR-18 12:02:00 to 22-MAR-18 12:03:00 (PST-8)
Reported by: Law Enforcement

Nevada Department of Transportation closed Mount Rose Highway (SR-431) from Fairview to Sky Tavern due to heavy snow and an avalanche. The avalanche was searched and cleared by the Mount Rose Ski Patrol to ensure that no other vehicles were involved.

Flood in WASHOE, NEVADA
From 22-MAR-18 17:00:00 to 31-MAR-18 23:59:00 (PST-8)
Location: BLACK SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

KOLO 8 Reno reported that Washoe County and the City of Reno closed Lemmon Drive from Deodar Way to Arkansas Drive 22 March 1700PST. The county says the decision came after key water level triggers were reached, causing the need for the closure to occur to protect the traveling public. Washoe County and the City of Reno re-opened Lemmon Drive 9 April.