Something unusual and with far-reaching consequences is lurking in the sea off the California coast, stretching all the way down the Baja Peninsula and more than 500 miles to the southwest. In this ...

This is read by an automated voice. Please report any issues or inconsistencies here. An extreme marine heat wave in the Pacific Ocean off California is breaking daily temperature records, with ...

Hottest. Earliest. Most extreme. California’s meteorologists and oceanographers keep dropping new superlatives about the temperatures in 2026. “There’s a bunch of claims circulating, some viral social ...

A massive ocean hot spot is stretching across a 5,000-mile swath of the Pacific — from Micronesia to the coastal waters of California. Across this zone, waters are as much as 6 to 8 degrees above ...

In March, a month traditionally known for heavy mountain snows and dreary lower-elevation weather, a heat wave settled across the West, shattering temperature records from Tucson, Arizona, to Casper, ...

Coastal waters from San Francisco to Baja California are experiencing a record-breaking marine heat wave. A marine heat wave is a prolonged period of unusually warm ocean temperatures that can disrupt ...

Scientists warn that record-breaking heat in the Pacific Ocean could mean a summer of severe storms and humid heat. A record-breaking marine heat wave could bring severe storms and unusual humidity to ...

Record-breaking heat is expected to take hold across states from the Plains to the Northeast this week, causing temperatures to soar to unseasonable highs. Subscribe to read this story ad-free Get ...

We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around the world that was made more likely by human-caused climate change. Climate Matters is ...