El Niño grows ‘second arm’ as California braces for impacts of rapidly expanding super system

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Cite

O'Keefe, R. (2026, October 17). El Niño grows ‘second arm’ as California braces for impacts of rapidly expanding super system. New York Post. https://nypost.com/2026/10/17/us-news/el-nino-is-already-battering-californias-coast-as-powerful-winter-storms-loom/

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New York Post · collected 2026-10-17 · by Ross O'Keefe

Quick Summary

Meteorologists warn that a developing El Niño system off the coast of Peru has expanded into an unusually powerful "mutant" form with a second arm of heated water, potentially becoming the strongest in recorded history. This intensification increases the likelihood of severe winter storms, flooding, and destructive surf for California by winter. The state is already experiencing impacts from Tropical Storm Rachel, with Long Beach officials working on recovery plans amid fears of more damage from upcoming king tides and high sea levels, which could raise water levels by up to 12 inches temporarily. Climate scientist Zeke Hausfather suggests this year’s El Niño could be the strongest in 1,000 years if current forecasts hold true. California officials are taking proactive measures to prepare for potential severe weather impacts before winter arrives.
Written locally by qwen2.5:14b on 2026-10-18, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

As of October 17, 2026, California is bracing for significant impacts from a rapidly expanding El Niño system, which has grown an additional heated water section off South America's coast. This "second arm" makes the weather system one of the strongest on record, according to climate scientist Daniel Swain. The phenomenon could lead to severe winter storms, flooding, and destructive surf as Pacific Ocean temperatures continue to rise. In Long Beach, Tropical Storm Rachel recently caused substantial damage, with seven homes red-tagged for demolition. City leaders are developing a recovery plan amidst ongoing risks posed by the evolving El Niño conditions.

Written for “El Nino Expanding In California” on 2026-10-18, grounded in this article and the 0 other(s) covering the same event.
Why this leaning score
This article does not take a side on a contested political question, so it has no leaning score. That is an answer rather than a gap: a match report or a rescue can be warmly or critically written without being left or right, and scoring it anyway is how approval of a subject gets recorded as a political position.
No political leaning scored for article 87870 · logged 2026-10-18

Story

📰 El Nino Expanding In California
Environment · 1 article(s) covering the same event.

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How this article was measured signals, leaning charts, publisher record, byline, topics and claims

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Claims extracted
18
sentences that state something as happening or true
Uncertain
6%
1 of 18 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
67/100
New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Environment
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-18 · how these are computed

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Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

New York Post · 11329 article(s) · 32 correction(s) detected
Running correction rate · 32 correction(s)

Who wrote this

Ross O'Keefe
82 article(s) here · 1 carrying a prediction
🔮 The developing phenomenon is already among the strongest on record by several measures, with forecasters warning it could intensify further as winter approaches, climate scientist Daniel Swain wrote in an Oct. 12 analysis for Weather West.
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Also by Ross O'Keefe
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 82 articles by Ross O'Keefe →

Topics

California El Niño Peru Senamhi Weather West

Subjects

California GPE · 4× Daniel Swain PERSON · 1× Long Beach GPE · 1× Newsom ORG · 1× Peru GPE · 1× Rex Richardson PERSON · 1× Senamhi ORG · 1× The Daily Mail ORG · 1× Weather West ORG · 1× Zeke Hausfather PERSON · 1×

Narrative

“By planning early and coordinating resources ahead of El Niño, we are working to ensure communities and first responders have the personnel, equipment, and support they need to prepare for severe weather, respond quickly when conditions change, and protect lives and property across California.”
framing: assertive · carried by 1 article(s) · first seen 2026-10-18
🔮 The developing phenomenon is already among the strongest on record by several measures, with forecasters warning it could intensify further as winter approaches, climate scientist Daniel Swain wrote in an Oct. 12 analysis for Weather West.

Claims (18 extracted, 1 hedged)

California’s looming El Niño nightmare is already here — and as the coastline continues to take a beating, meteorologists are warning the massive weather system has gone mutant. asserted
system → loom → beating
The potentially historic weather system has grown a “second arm” as it supercharges Pacific Ocean temperatures, bringing increased chances for powerful winter storms, flooding and destructive surf still looming in the months ahead. asserted
it → grow → months
The mutant limb is the second section of heated water sticking out from South America as seen in new images from Senamhi, Peru’s national meteorological and hydrological service. asserted
limb → stick → Senamhi
The developing phenomenon is already among the strongest on record by several measures, with forecasters warning it could intensify further as winter approaches, climate scientist Daniel Swain wrote in an Oct. 12 analysis for Weather West. uncertain
Swain → develop → West
The warning signs are already playing out along the Southern California coast. asserted
signs → play → coast
In Long Beach, city leaders on Friday outlined a recovery plan after powerful surf from Tropical Storm Rachel tore apart homes and infrastructure on the Peninsula. asserted
surf → outline → Peninsula
Seven homes remain red-tagged, down from eight, and officials still don’t know how many will have to be demolished. asserted
many → remain → eight
With king tides expected around Thanksgiving and a strong El Niño pattern developing, officials are racing to reinforce the battered coastline before the next round of dangerous surf arrives. asserted
round → expect → surf
“We’re now shifting into preparing for the next storm while we recover from the impacts of Rachel,” Mayor Rex Richardson said. asserted
Richardson → shift → Rachel
The developing El Niño pattern, along with powerful oceanic Kelvin waves, is contributing to the threat. asserted
pattern → develop → threat
The waves can temporarily raise sea levels by up to 12 inches, increasing the risk of coastal flooding when powerful surf and high tides hit vulnerable communities. asserted
surf → raise → communities
“I think that this year’s El Niño event is likely to be the strongest in 1,000 years if the latest models of its peak prove accurate,” climate scientist Zeke Hausfather told The Daily Mail. asserted
Hausfather → think → Mail
“The emerging El Niño event is already breaking records, and forecasters expect it to continue to strengthen, potentially becoming the strongest in recorded history,” Newsom’s office said. asserted
office → emerge → history
The designation does not mean California is guaranteed to be battered by storms. asserted
California → mean → storms
But stronger El Niño events increase the chances of weather typically associated with the phenomenon, including heavy rain, flooding, powerful waves and coastal erosion. asserted
events → increase → rain
California officials previously said they hope early planning will negate some effects of the powerful weather system. asserted
planning → say → system
“We are not waiting for this season’s storms to be on our doorstep,” California Office of Emergency Services Director Caroline Thomas Jacobs said. asserted
Jacobs → wait → Services
“By planning early and coordinating resources ahead of El Niño, we are working to ensure communities and first responders have the personnel, equipment, and support they need to prepare for severe weather, respond quickly when conditions change, and protect lives and property across California.” asserted
conditions → plan → California
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