Debris Flow in Marin County, California

Debris Flow January 16, 2020 · Marin County, California

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Mud/dirt/rocks reported on US-101 S and Marin City on ramp. Mud and dirt falling from right hand side.

The wider storm

A potent cold front swept through the region on January 16th bringing widespread rain, gusty winds, low elevation snow, and thunderstorms. This system brought widespread roadway flooding, downed trees, small hail, and snow as low as 2400 ft in elevation. Numerous flights were delayed or canceled at SFO due to the weather.

Began near Sausalito (37.8604, -122.5009).

Source: NOAA Storm Events Database, event 867530. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.