Southern California is facing its fourth storm of the week, bringing significant rainfall and raising concerns about flash flooding across the region. The storm arrived Thursday afternoon, with isolated showers spreading throughout the area and snow reported in the higher mountain elevations.
Key Updates on the Southern California Storm
- Flash Flood Watch Issued: The National Weather Service has issued a flood watch from Thursday night through Friday morning for much of the Los Angeles area. Rainfall rates could reach up to 1 inch per hour, increasing the risk of flooding and debris flows, especially in areas with saturated ground.
- Storm Timeline: Light to moderate showers began late Thursday morning in Ventura County, intensifying through the afternoon and early evening as the storm moved into Los Angeles County. By 7 p.m., the storm progressed to the Inland Empire and parts of Orange County. Scattered showers are expected overnight into Friday morning, gradually tapering off by afternoon. Additional light showers may occur early Saturday in eastern desert and mountain regions.
- Travel Impact: The rain caused slippery roads and puddling in areas like Van Nuys, leading to slower and more cautious driving. Commuters in Southern California experienced messy conditions Thursday evening due to the steady rainfall.
- Mountain and Ski Resort Conditions: Mammoth Mountain marked its opening day amid fresh snowfall, with 18 to 32 inches received during the week. Mountain High Resort is preparing to open, with snow-making efforts underway and the possibility of opening by Saturday depending on snow levels.
- Post-Fire Rain Effects: Ventura County, previously threatened by wildfires, has seen localized flooding and debris flows but no major damage. The recent rain has effectively ended the county’s brush fire season, although fire crews remain on alert.
Regional Weather Forecast Highlights
| Region | Weather Conditions | Temperature (High / Low) |
|---|---|---|
| Los Angeles & Orange County | Rain Thursday afternoon through evening; slight thunderstorms Friday | 57°F / 47°F |
| Inland Empire & Valleys | Up to 0.75 inch rain Thursday; slight rain through Saturday | 57°F / 42°F |
| Beaches | Rain Thursday night into Friday; partly cloudy Saturday | 60°F / 51°F |
| Mountains | Rain Thursday; snow flurries Friday and Saturday | 39°F / 19°F |
| Deserts | Night showers Thursday; mild weekend | Mid 60s°F / low 40s°F |
What Residents Should Know
Residents in foothill and burn scar areas such as Mount Baldy and Wrightwood are preparing for heavy rain and possible debris flows. Emergency crews are monitoring the situation closely, especially in areas affected by last year’s Bridge Fire.
Motorists are advised to exercise caution due to slick roads and the potential for hazardous driving conditions. Travelers heading to mountain resorts should check weather and road conditions ahead of time.
Stay updated with live radar and the latest weather alerts to navigate Southern California’s ongoing storm safely.
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