Atmospheric River Triggers Flood Evacuations in California

• Flood evacuations in California due to heavy rain
• Atmospheric river hits California
• Flash-flood alerts issued

According to Fox Weather, a powerful atmospheric river has begun striking California with heavy rain and strong winds.

The phenomenon marks the start of the state’s rainy season.

The system is expected to bring several months’ worth of rainfall in just a few days across Southern California.

Northern California and the Bay Area face an immediate risk of flash flooding.

Impact of Atmospheric River in California on Highways, Airports, and Cities

🌧️An atmospheric river will continue to impact California through late Saturday/early Sunday. Heavy rain will shift from Central CA today to Southern CA on Friday. Heavy precipitation may lead to scattered instances of flash flooding, especially near burn scars and steep terrain. pic.twitter.com/Wiycbfw0h6

— NWS Weather Prediction Center (@NWSWPC) November 13, 2025

Santa Clara County urged drivers to exercise caution due to the severe weather.

San Francisco recorded heavy rainfall during Thursday’s rush hour.

San Francisco International Airport briefly suspended flights because of high winds.

Airport authorities warned that delays could continue due to unstable conditions.

Atmospheric River in California Strengthens Evacuations in Los Angeles

Los Angeles issued evacuation advisories in areas affected by the Hurst and Sunset fires.

The orders will remain in place through Sunday due to the risk of flash flooding.

Mandeville Canyon also received evacuation orders because of dangers near the Palisades fire zone.

Firefighters were seen going door-to-door in Pasadena to warn vulnerable families.

Flood Alerts, Snow, and Extreme Winds

Burn scars increase the risk of debris flows due to water-repellent soil.

NOAA issued level 2 out of 4 alerts for San Francisco and Sacramento.

Thunderstorms, strong wind gusts, and a second round of rainfall are expected starting Friday.

The San Gabriel and Santa Monica Mountains could receive between 5 and 8 inches of rain.

Rainfall Accumulation and Historic Risk in California

Coastal areas such as Los Angeles and San Francisco could receive between 3 and 5 inches of rain.

In isolated areas, totals could reach up to 8 inches.

Meteorologists warn this could be one of the rainiest Novembers in 50 years.

The Sierra Nevada faces winter alerts as mountain passes begin closing.