Heavy storm system warnings issued for Southern California, while El Niño increases tornado risk in Arizona.
2 reports, 2 independent
Updated Oct 21
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What happened
Heavy storm system warnings issued for Southern California, while El Niño increases tornado risk in Arizona.
Who's involved
What this event is mainly aboutHow it developed
Newest first. Tap a step to see who reported it.NWS warns of heavy storms in SoCal and increased tornado risk in Arizona due to El Niño.1 source
Hurricane system causes major flooding and expands severe weather threat across Four Corners states.1 source
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The entities involved
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National Weather Service
U.S. forecasting agency of the National Oceanic and Atmospheric Administration
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Los Angeles
seat of Los Angeles County, and largest city in California, United States
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Arizona
state of the United States of America
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El Niño
Spanish rap artist
Related events
- The National Weather Service issued warnings for severe thunderstorms across Arizona on October 21, 2026.
- Strengthening El Niño patterns are currently driving extreme weather risks specifically across the Southern United States.
- The National Weather Service reports that El Niño is increasing the chance of rainfall.
- Forecasters are monitoring cyclone formation offshore Mexico, noting warm El Niño waters may lead to an above-normal tropical season.
- El Niño event impacts weather patterns in the Morobe region, affecting the area around Lae.