• Four dead across U.S. West Coast as atmospheric river brings record rains and 20 landslides in California

    The strongest atmospheric river of the season, driven by a bomb cyclone with a central pressure of 945 hPa, ravaged the U.S. West Coast on Wednesday, November 20, 2024, bringing unprecedented rainfall, flooding, and wind damage. Northern California bore the brunt of the storm, with 543.4 mm (21.39 inches) of rain recorded in Sonoma County and widespread flooding that stranded hundreds. Meanwhile, fierce winds of up to 206 km/h (128 mph) toppled trees and left communities without power.

  • Powerful atmospheric river hits Pacific Northwest, forecast to remain stationary over Northern California through November 22

    A powerful AR4 atmospheric river made landfall in the Pacific Northwest and Northern California on November 19, 2024, bringing prolonged rainfall, heavy snowfall, and significant flooding risks that are expected to worsen through November 22. Meteorologists warn that the storm could bring up to 380 mm (15 inches) of rain to the Coast Ranges and Sierra Nevada, with some areas potentially receiving more.

  • California braces for record-breaking heat wave with temperatures over 43 °C (110 °F)

    California is bracing for potentially record-breaking heat wave during the first week of July, with temperatures expected to soar past 43 °C (110 °F) in the hottest areas. The intense heat will impact a significant portion of the state, including the Sacramento Valley, San Joaquin Valley, and parts of Southern California, Nevada, and northwestern Arizona.

  • Excessive Heat Warnings in effect for California, Nevada and Arizona

    Record-breaking heat is forecast across the southwestern United States on June 6 and 7, 2024, with Excessive Heat Warnings in effect for nearly 20 million people — from California and Nevada to Arizona. Las Vegas has reached 43.3 °C (110 °F) at 14:11 LT today, tying the record for the earliest 110 °F day.