Los Angeles, CA, December 26, 2025
A powerful atmospheric river storm hit Los Angeles starting December 24, causing heavy rain, strong winds, and significant flooding. Local businesses face challenges during the holiday season, while officials issue evacuation warnings and advise caution on travel. Governor Newsom declared a state of emergency to streamline emergency response efforts. Understanding the impact of atmospheric rivers is crucial for community preparedness and resilience as more storms are anticipated.
Los Angeles, CA
Severe Storms Bring Heavy Rain and Flooding to Los Angeles
The holiday season has been marred by a powerful atmospheric river storm that started impacting Los Angeles and the surrounding areas on December 24, 2025. This storm system has delivered heavy rainfall, strong winds, and has resulted in significant flooding, raising concerns for safety and community resilience. Local entrepreneurs and small businesses, who often gather momentum during this festive season, now face challenges caused by the severe weather.
The storms, while necessary for replenishing California’s water supplies, underscore the need for efficient emergency response and resource allocation. The determination shown by local leaders and the community to recover from such natural events highlights the strength of the entrepreneurial spirit that defines Southern California. With reduced regulatory barriers, businesses can adapt and grow, even in the face of adversity.
Storm Impact and Warnings
The ongoing storm has created dangerous conditions, with rainfall totals reaching up to 4.3 inches in downtown Los Angeles in just 24 hours. With flash flood warnings in effect for parts of Los Angeles and Ventura counties—particularly those areas recently affected by wildfires—residents are urged to stay informed and prepared. Evacuation warnings have been issued for vulnerable mountain communities like Wrightwood, highlighting the serious risk of mudslides and debris flows.
Travel and Safety Advisories
As the storm continues to wreak havoc, travel advisories have been implemented to ensure public safety. Authorities recommend that residents exercise extreme caution on the roads, as hazardous driving conditions have led to numerous road closures and power outages throughout the region. This has added strain on local businesses that rely on uninterrupted supply chains and customer access.
Understanding Atmospheric Rivers
Atmospheric rivers are crucial components of California’s meteorological landscape. These massive streams of moisture transport water vapor from tropical regions, playing a vital role in the water supply. However, when they are particularly strong, they can lead to severe weather conditions, such as the flooding currently affecting Los Angeles. Understanding these weather phenomena is vital for preparedness and future mitigation strategies.
State of Emergency Declared
In light of the extensive damage and potential risks posed by the storm, Governor Gavin Newsom declared a state of emergency across several counties, including Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Shasta. This declaration aims to streamline emergency response efforts and activate resources necessary for community safety and recovery.
Looking Ahead
While forecasters predict the storm will taper off by December 26, 2025, the potential for additional atmospheric river storms looms on the horizon. With heightened awareness and preparedness, local governments and businesses can better navigate these challenges, demonstrating resilience and commitment to economic recovery.
Key Features of the Storm
| Feature | Details |
|---|---|
| Rainfall Totals | Up to 4.3 inches in downtown Los Angeles within 24 hours |
| Flash Flood Warnings | Issued for parts of Los Angeles and Ventura counties, including recent wildfire areas |
| Evacuation Warnings | Implemented in mountain communities like Wrightwood due to mudslide risks |
| Travel Advisories | High risk for excessive rainfall and flash flooding; hazardous driving conditions |
| State of Emergency | Declared by Governor Gavin Newsom in multiple counties to activate emergency resources |
Frequently Asked Questions (FAQ)
What is an atmospheric river?
Atmospheric rivers are large streams of moisture in the atmosphere that transport water vapor from tropical regions to other parts of the globe. While they are vital for water supply, strong atmospheric rivers can cause severe weather events, including flooding and mudslides.
What areas are under evacuation warnings?
Evacuation warnings have been implemented in mountain communities such as Wrightwood due to potential mudslides and debris flows.
What is the expected duration of the storm?
The storm is expected to taper off by Friday, December 26, 2025. However, additional storms, powered by atmospheric rivers, are anticipated to follow, potentially bringing further challenges to the region.
What precautions should residents take during the storm?
Residents are advised to exercise caution, avoid unnecessary travel, and stay informed through official channels. Authorities have issued flash flood warnings and travel advisories due to hazardous conditions.
Has a state of emergency been declared?
Yes, Governor Gavin Newsom declared a state of emergency in Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Shasta counties to activate emergency authorities and preposition resources to ensure community safety.
Deeper Dive: News & Info About This Topic
HERE Resources
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San Diego Prepares for Christmas Eve Storm: Heavy Rain and Flooding Expected
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Author: STAFF HERE SAN DIEGO WRITER
The SAN DIEGO STAFF WRITER represents the experienced team at HERESanDiego.com, your go-to source for actionable local news and information in San Diego, San Diego County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Comic-Con International, San Diego County Fair, and San Diego Pride Festival. Our coverage extends to key organizations like the San Diego Regional Chamber of Commerce and United Way of San Diego County, plus leading businesses in biotechnology, healthcare, and technology that power the local economy such as Qualcomm, Illumina, and Scripps Health. As part of the broader HERE network, including HEREAnaheim.com, HEREBeverlyHills.com, HERECostaMesa.com, HERECoronado.com, HEREHollywood.com, HEREHuntingtonBeach.com, HERELongBeach.com, HERELosAngeles.com, HEREMissionViejo.com, and HERESantaAna.com, we provide comprehensive, credible insights into California's dynamic landscape.
