A slow moving upper level low dug into the western CONUS the 13th and moved inland over northern California and Nevada by the 17th. Shortwaves embedded in this low initially brought rain and high elevation snow to the Sierra Nevada and western Nevada. Colder air beneath the upper low allowed snow levels to fall, bringing widespread snow to the Sierra and western Nevada by the 16th.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 07:46:00 to 16-MAR-18 07:46:00 (PST-8)
Reported by: COOP Observer

The Reno-Tahoe International Airport Official Weather Observer measured 10.3 inches of heavy snow from 15 March 0746PST to 16 March 0746PST. Water equivalent of 0.62 inches.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 12:46:00 to 16-MAR-18 12:46:00 (PST-8)
Reported by: Official NWS Observations

NWS Reno Office measured 14.2 inches of heavy snow from 15 March 1246PST to 16 March 1246PST. Water equivalent of 0.66 inches.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 16:40:00 to 15-MAR-18 21:40:00 (PST-8)
Reported by: Public

Public located 2 miles south-southwest of New Washoe City reported 5.0 inches of snowfall from 1640PST to 2140PST 15 March.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 10:59:00 to 17-MAR-18 10:59:00 (PST-8)
Reported by: COOP Observer

CO-OP observer in Virginia City measured 22.0 inches of storm total snowfall since 15 March 1059PST.

Heavy Rain in WASHOE, NEVADA
From 13-MAR-18 10:00:00 to 14-MAR-18 06:00:00 (PST-8)
Location: LEMMON VLY
Reported by: Mesonet

Mesonet station DRNNV, 2 miles south-southwest of Sun Valley reported 0.93 inches of rain from 13 March 1300PST to 14 March 0600PST.

Dust Storm in MINERAL/SOUTHERN LYON, NEVADA
From 13-MAR-18 13:00:00 to 13-MAR-18 13:01:00 (PST-8)
Reported by: Public

Public reported that visibility reduced a half mile near Yerington due to blowing dust.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 15:00:00 to 16-MAR-18 15:00:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 1 mile northeast of Carson City reported 15.5 inches of snowfall from 15 March 1500PST to 16 March 1500PST. 13.0 inches of snow fell between 1500PST 15 March and 0600PST 16 March. 2.5 inches of snow fell between 0600PST and 1500PST 16 March.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 15:31:00 to 16-MAR-18 15:31:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 3 miles west-southwest of Gardnerville Ranchos reported 13.0 inches of snowfall from 15 March 1531PST to 16 March 1531PST. Ten inches of snow fell between 15 March 1500PST and 16 March 0830PST.

Heavy Snow in MINERAL/SOUTHERN LYON, NEVADA
From 15-MAR-18 19:14:00 to 16-MAR-18 07:14:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 4 miles northeast of Fort Churchill Station measured 8.0 inches of snow from 15 March 1914PST to 16 March 0714PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 19:19:00 to 16-MAR-18 07:19:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 2 miles south-southeast of Spanish Springs measured 10.0 inches of heavy snow from 15 March 1919PST to 16 March 0719PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 19:37:00 to 16-MAR-18 07:37:00 (PST-8)
Reported by: NWS Employee

NWS Reno Employee 2 miles west-northwest of Reno measured 11.0 inches of heavy snow from 15 March 1937PST to 16 March 0737PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 20:14:00 to 16-MAR-18 08:14:00 (PST-8)
Reported by: COOP Observer

Observer 1 mile north-northeast of Spanish Springs reported 11.0 inches of heavy snow from 15 March 2014PST to 16 March 0814PST. Water equivalent of 0.92 inches.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 18:47:00 to 16-MAR-18 06:47:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter in Caughlin Ranch measured 11.5 inches of heavy snow from 15 March 1847PST to 16 March 0647PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 19:11:00 to 16-MAR-18 07:11:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 1 mile south of New Washoe City measured 12.0 inches of heavy snow from 15 March 1911PST to 16 March 0711PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 19:18:00 to 16-MAR-18 07:18:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 3 miles east of Verdi measured 12.7 inches of heavy snow from 15 March 1918PST to 16 March 0718PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 12:29:00 to 16-MAR-18 12:29:00 (PST-8)
Reported by: COOP Observer

CO-OP observer in Cold Springs Valley measured 11.7 inches of heavy snow from 15 March 1229PST to 16 March 1229PST. Water equivalent 0.91 inches.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 18:42:00 to 16-MAR-18 06:42:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 1 mile north-northeast of Carson City measured 13.0 inches of heavy snow from 15 March 1842PST to 16 March 0642PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 12:37:00 to 16-MAR-18 12:37:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 3 miles south-southeast of Stead measured 14.0 inches of heavy snow from 15 March 1237PST to 16 March 1237PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 20:16:00 to 16-MAR-18 08:16:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 2 miles north-northeast of Sparks measured 14.0 inches of heavy snow from 15 March 2016PST to 16 March 0816PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 12:42:00 to 16-MAR-18 12:42:00 (PST-8)
Reported by: COOP Observer

CO-OP observer in Virginia City reported 18.0 inches of heavy snow from 15 March 1242PST to 16 March 1242PST at an elevation of 6340 feet.

Heavy Snow in GREATER LAKE TAHOE AREA, NEVADA
From 15-MAR-18 12:39:00 to 16-MAR-18 12:39:00 (PST-8)
Reported by: COOP Observer

CO-OP observer at Dagget Pass measured 19.0 inches of heavy snow from 15 March 1239PST to 16 March 1239PST. Water equivalent of 0.80 inches.

Heavy Snow in GREATER LAKE TAHOE AREA, NEVADA
From 15-MAR-18 12:33:00 to 16-MAR-18 12:33:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 1 mile northeast of Incline Village measured 28.0 inches of heavy snow from 15 March 1233PST to 16 March 1233PST at an elevation of 6700 feet.

Heavy Snow in GREATER LAKE TAHOE AREA, NEVADA
From 15-MAR-18 08:28:00 to 16-MAR-18 08:28:00 (PST-8)
Reported by: Public

Mount Rose Ski Resort reported 30.0 inches of heavy snow from 15 March 0828PST to 16 March 0828PST at an elevation of 8260 feet.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 06:00:00 to 17-MAR-18 06:00:00 (PST-8)
Reported by: CoCoRaHS

CoCoRaHS observer 8.4 miles south-southeast of Reno measured a storm total snowfall of 14.0 inches from 15 March 0600PST to 17 March 0600PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 11:09:00 to 17-MAR-18 11:09:00 (PST-8)
Reported by: Trained Spotter

Trained weather spotter 1 mile northeast of Carson City measured a storm total snowfall of 15.5 inches since 15 March 1109PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 10:38:00 to 17-MAR-18 10:38:00 (PST-8)
Reported by: COOP Observer

The Official Weather Observer at Reno-Tahoe International Airport measured 11.2 inches of storm total snowfall since 15 March 1038PST.

Heavy Snow in GREATER RENO/CARSON CITY/MINDEN AREA, NEVADA
From 15-MAR-18 10:44:00 to 17-MAR-18 10:44:00 (PST-8)
Reported by: Official NWS Observations

NWS Reno Official Observation measured 14.2 inches of storm total snowfall since 15 March 1044PST.