• Family of atmospheric rivers to bring heavy rain, flood, and snow to the U.S. West Coast

    A series of atmospheric rivers (ARs) is forecast to bring heavy precipitation, flooding risks, and winter storm impacts to the U.S. West Coast this week, with the first AR making landfall on Tuesday, December 17, 2024.  The fourth and fifth ARs are forecast to make landfall on December 21 and 22. Up to 500 mm (20 inches) of rain expected in some areas and significant streamflow rises in western Washington and Oregon.

  • Tropical Cyclone Chido ‘spares nothing’ in Mayotte, thousands feared dead

    Tropical Cyclone Chido, the strongest storm to impact Mayotte in 90 years, struck the island on Saturday, December 14, 2024, claiming at least 21 lives, injuring over 830 people, and leaving one-third of the island’s 320 000 residents homeless. Authorities fear the death toll could rise to several hundred or even thousands as the full extent of the devastation becomes clear.

  • Severe dust storms hit Iraq and Iran

    Severe dust storms swept across Iraq and Iran on Saturday, December 14, 2024, injuring at least 65 people and prompting officials to close schools and cancel flights. In Iran, the storm was described as one of the worst in recent years.

  • Subtropical Storm Biguá hits Rio Grande do Sul, Brazil

    Powerful winds and torrential rains produced by Subtropical Storm Biguá wreaked havoc across the Brazilian state of Rio Grande do Sul since its formation on Saturday, December 14, 2024. The storm toppled trees and power lines, and damaged homes, buildings, and infrastructure, leading to at least two injuries in Butiá.