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Flash Flooding and Mudslides Impact Southern California

9/21/2025, 10:53:00 AM

Severe Weather Events Trigger Flash Flooding

On September 18, 2025, Southern California experienced significant flash flooding and mudslides due to the remnants of Tropical Storm Mario. The storm brought heavy rainfall to the region, particularly affecting San Bernardino County, where areas like Oak Glen, Forest Falls, and Potato Canyon were severely impacted. Reports indicate that some locations received over an inch of rain within a short period, leading to dangerous conditions on the roads and in residential areas.

A notable incident occurred in Barstow, California, where a 2-year-old boy, Xavier Padilla Aguilera, was reported missing after floodwaters swept away the vehicle he was in. His father, Brandon Padilla Aguilera, was rescued but separated from his son during the incident. The search for the child continued into the following day, highlighting the human toll of the severe weather.

Community Impact and Emergency Response

The flooding resulted in multiple road closures and downed power lines, particularly in Oak Glen, where a major mudslide trapped several vehicles and forced residents to shelter in place. Emergency services were deployed to assist those stranded, and damage assessment teams began evaluating the extent of the destruction. Reports indicated that no injuries had been reported in Oak Glen, but the situation remained critical as crews worked to clear debris and restore access.

Residents described harrowing experiences during the storm. Jacob Schoolfield, who was trapped on State Route 38 for approximately 14 hours, recounted the sudden onset of the floodwaters, stating, “It was completely impassable.” The California Department of Transportation eventually cleared enough debris to allow vehicles to pass.

Official Statements and Weather Warnings

The National Weather Service (NWS) issued multiple flash flood warnings throughout the day, advising residents to avoid flooded areas and to seek higher ground. The warnings emphasized the dangers of driving through floodwaters, noting that as little as 12 inches of moving water could sweep away most vehicles. The NWS also highlighted the increased risk of mudslides in areas affected by previous wildfires, such as the El Dorado burn scar.

Cal Fire and the San Bernardino County Fire Department coordinated efforts to manage the emergency response, urging residents to stay indoors and avoid unnecessary travel. Alison Hesterly, a battalion chief with Cal Fire, stated that the agency was focused on supporting affected residents and addressing critical infrastructure needs.

Criticism and Opposition

Despite the emergency response, some residents expressed frustration over the lack of preparedness for such severe weather events. Olin Richey, a resident of Forest Falls, remarked on the recurring nature of these disasters, stating, “It is déjà vu... the same thing as three years ago.” This sentiment reflects a broader concern about the region's vulnerability to extreme weather, particularly in the wake of climate change.

What's Next

As the storm system moved out of Southern California, lingering moisture was expected to continue affecting the Sierra Nevada and parts of the Desert Southwest. The NWS warned that additional localized flooding could occur, and residents were advised to remain vigilant and monitor weather updates.

Verbatim Quotes

  • “It was completely impassable,” — Jacob Schoolfield, stranded motorist
  • “It is déjà vu. I mean, the same thing as three years ago, exact same weather pattern, exact same flow pattern, a little more damage this time,” — Olin Richey, Forest Falls resident
  • “Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.” — National Weather Service advisory

The events of September 18 serve as a stark reminder of the potential dangers posed by flash flooding and the importance of community preparedness in the face of increasingly severe weather patterns.