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Coastal storm damage and erosion across Southern California

Picking up: 3 developments in the last 24 hours, 5 in the last 7 days Updated 12 hours ago

The latest in this situation

  1. Coastal storm waves caused damage to seaside homes across multiple coastal cities.
  2. Researchers confirmed record cyclone energy as storms batter Southern California.
  3. Erosion damage reported in Long Beach and Carlsbad following September swell.
  4. NWS issued a coastal flood warning affecting Long Beach and Newport Beach due to storm impacts.
  5. A storm drives coastal erosion and flooding, with high tides threatening infrastructure in Laguna Beach, Newport Beach, and Long Beach.

How it started

Coastal Storms and Record Cyclone Energy Damage Southern California Coastline

11 reports, 5 independent, last reported 00:00. The briefing below covers this first event.

AI-generated briefing. Brind wrote this from the reports listed below and has updated it as the story developed. It can be wrong. Each section says how much you can rely on it, and the sources are linked so you can check.

What happened

Well supportedReported by 4 independent outlets

Southern California has experienced record-breaking hurricane activity, with Pacific storms generating more accumulated cyclone energy than ever recorded. This activity, fueled by El Niño and warming ocean waters, has driven coastal erosion and flooding. Tropical Storm Rachel battered seaside homes in Long Beach, Newport Beach, and Malibu, resulting in damage to homes and boardwalks.

From sunset.com, latimes.com, laist.com

Why it matters

Some supportBrind's analysis of the reports

The combination of record cyclone energy and higher sea levels—which are running nearly a foot higher than normal due to El Niño—is causing significant damage to coastal infrastructure. In Long Beach, large sections of the boardwalk were destroyed, and eight buildings were red-tagged as unsafe to enter.

From sunset.com, latimes.com, laist.com

Who's involved

  • El NinoThe climate pattern driving higher sea levels and fueling storm activity
  • Long BeachCity experiencing damage to its historic boardwalk and mandatory evacuations
  • Newport BeachCity sharing mutual vulnerability to coastal flooding and storm impacts
  • MalibuCity where seaside homes were damaged by coastal storm waves

Who could feel it

Possible knock-on effects

These are possibilities Brind reasoned out, not predictions, and not advice. Most are not stated in any report.

  • Newport BeachSpeculative

    The city might see increased insurance costs and reduced property values due to coastal erosion and flooding.

  • Laguna BeachSpeculative

    The city could experience changes in local business revenue due to beach narrowing and coastal erosion.

How it developed

Newest first. Tap a step to see who reported it.
  1. Erosion damage reported in Long Beach and Carlsbad following September swell.1 source
  2. Researchers confirmed record cyclone energy as storms batter Southern California.1 source
  3. Coastal storm waves caused damage to seaside homes across multiple coastal cities.1 source
  4. NWS issued a coastal flood warning affecting Long Beach and Newport Beach due to storm impacts.Sub-event
  5. Storm drives coastal erosion and flooding across Southern California coast.1 source

Keep exploring

The entities involved

Related events

Coverage

Newest first; wire copies grouped
5 more outlets ran the same wire story