Moisture from the eastern Pacific Ocean and the Gulf of California moved northward around the periphery of high pressure centered over the Four-Corners region of the Rockies the 24th into the 25th. This moisture, coupled with the weak flow and increased instability in the lower to middle portions of the atmosphere, resulted in storms producing heavy rains.

Heavy Rain in WASHOE, NEVADA
From 25-JUL-19 16:35:00 to 25-JUL-19 17:15:00 (PST-8)
Location: VISTA
Reported by: Park/Forest Service

US Forest Service employee reported minor street flooding on the corner of Glendale Avenue and Meredith Way in Sparks due to heavy rain from a thunderstorm.

Flash Flood in WASHOE, NEVADA
From 25-JUL-19 16:40:00 to 25-JUL-19 19:40:00 (PST-8)
Location: RENO STEAD ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Washoe County Official reported that runoff from thunderstorms caused flash flooding near Swan Lake. A nearby RAWS approximately 3 miles to the east of the flooded area reported 1.53 inches of rainfall in a 3-hour period from 25 July 1640PST to 1940PST. No damage or cleanup information was available.

Heavy Rain in WASHOE, NEVADA
From 25-JUL-19 17:03:00 to 25-JUL-19 18:03:00 (PST-8)
Location: SPARKS
Property damage: 60.00K
Reported by: Broadcast Media

KTVN Channel 2 News reported that the roof on Reed High School leaked during heavy rainfall from thunderstorms on the afternoon of 25 July. A nearby mesonet reported 0.21 inches of rainfall from 1703PST to 1803PST. According to Washoe County School District, three sections of the roof were being replaced at the time. All three sections leaked in multiple areas. Walls, ceilings, floors, and 36 computers were damaged by the rain water. Preliminary damage estimates were $40-60K according to the school district.

Heavy Rain in WASHOE, NEVADA
From 25-JUL-19 15:47:00 to 25-JUL-19 18:46:00 (PST-8)
Location: HUFFAKERS HILLS
Reported by: Mesonet

Mesonet station D3976 8 miles north of Washoe City (elevation 5186 feet) reported 0.71 inches of rainfall in a 3-hour period from 25 July 1547PST to 1846PST.

Heavy Rain in WASHOE, NEVADA
From 25-JUL-19 15:30:00 to 25-JUL-19 18:46:00 (PST-8)
Location: RENO STEAD ARPT
Reported by: Mesonet

Mesonet station EW5237 3 miles northwest of Stead (elevation 5007 feet) reported 1.02 inches of rainfall in just over a 3-hour time period from 25 July 1530PST to 1846PST.

Flash Flood in STOREY, NEVADA
From 26-JUL-19 15:00:00 to 26-JUL-19 15:15:00 (PST-8)
Location: GOLD HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained weather spotter reported mud and water over the railroad tracks at Gold Hill. A nearby mesonet in Virginia City reported 0.28 inches of rainfall from 26 July 1400PST to 1451PST. No damage was reported.

Heavy Rain in STOREY, NEVADA
From 26-JUL-19 12:11:00 to 26-JUL-19 17:11:00 (PST-8)
Location: VIRGINIA CITY
Reported by: COOP Observer

CO-OP Observer in Virginia City reported 0.70 inches of rainfall during the afternoon of 26 July from thunderstorms in the area.

Heavy Rain in CARSON CITY (C), NEVADA
From 25-JUL-19 14:17:00 to 25-JUL-19 15:17:00 (PST-8)
Location: EMPIRE
Reported by: Mesonet

Mesonet station C4390, 3 miles east-northeast of Carson City (elevation 4619 feet) reported 0.69 inches of rainfall in a 1-hour period from 26 July 1417PST to 1517PST.