Heavy Rain — Plumas, California

2018-07-15 · near Camp Rodgers, Plumas, California

Event narrative

Heavy rain from an isolated thunderstorm brought a rock slide covering the west bound lane of Highway 70. Radar estimates suggested locally 0.45 of rain within 1 hour.

Wider weather episode

High pressure ridging brought hot temperatures across the area, 5 to 10 degrees above normal. Some locations had high temperatures reaching 105-110, with temperatures remaining in the mid to upper 70s overnight. Heat Warnings and Advisories were issued. Heat Risk Criteria reached Moderate levels across the forecast area, with some areas in the northern Sacramento Valley and adjacent foothills reaching High to Very High levels.

Isolated nocturnal thunderstorms brought locally heavy rain to the mountains, causing a rock slide.

A period of less extreme heat came earlier in the month. A 2 year old boy died in a hot car on July 7 in south Sacramento. The high temperature in downtown Sacramento reached 100 that day.

View location on OpenStreetMap → (39.9800, -121.2400)

Source: NOAA Storm Events Database, event_id 774939. Narrative written by the NWS forecast office that issued the report.