A new volcanic fissure opened up between Stóra-Skógfell and Sýlingarfell, near the town of Grindavík, Iceland’s Reykjanes Peninsula, at 23:14 local time (LT) on Wednesday, November 20, 2024. This marked the year’s seventh eruption in this region.
A powerful, rapidly intensifying cyclone wreaked havoc across the northwestern United States and parts of Canada on Wednesday, November 20, 2024, causing at least 2 deaths and leaving more than 600 000 customers (approximately 1.5 million people) in the U.S. without power. Another 140 000 customers (approximately 335 000 people) were left without power in B.C., Canada.
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.
A powerful Pacific low pressure system will impact the Northwest United States and Canada with strong winds, heavy rains and heavy mountain snow, starting Tuesday, November 19, 2024. The storm is expected to rapidly intensify as it approaches the coast.
Super Typhoon “Man-Yi” made landfall in Aurora, Philippines at 15:20 local time (LT) on Sunday, November 17, 2024, after catastrophic damage and heavy rainfall across Luzon. Several Wind Signal Warnings as well as heavy rain warnings have been issued, with some regions expecting over 200 mm (7.87 inches) of rain due to the storm.
The latest model guidance suggests a major atmospheric river could hit the Pacific Northwest and Northern California early next week, with the ECMWF EPS control member forecasting AR3-4 conditions from central Oregon to Northern California. Although timing and duration remain uncertain, 70% of EPS members predict AR4 or AR5 conditions in coastal southern Oregon, according to the Center for Western Weather and Water Extremes (CW3E).
A cold snap will grip large portions of the United States as a storm system begins to form east of the Rockies on November 18, 2024 with freezing temperatures and high winds sweeping from the Central Plains to the Great Lakes by November 23.
A very bright fireball was observed over northwestern Montana at 06:33 LT (13:33 UTC) on November 13, 2024, lighting up the early morning sky for 3 to 7 seconds before it disappeared in a bright flash. The American Meteor Society (AMS) received 115 reports from residents in parts of Canada and the United States.
The Spanish Meteorological Agency (AEMET) issued a severe weather advisory on November 12, 2024, warning of heavy rainfall and potential flooding in the Mediterranean and Andalusian coastal regions through November 15. Rainfall is expected to reach 150 mm (5.9 inches) in 24 hours in some areas, only two weeks after previous severe flooding in eastern Spain.
A major eruption of the Cacahual (El Aburrido) mud volcano in Antioquia, Colombia, on November 11, 2024, resulted in injuries to at least eight people and significant damage to nearby homes. The eruption produced a large fireball, affecting multiple communities and prompting evacuations for dozens of families. Cacahual’s history includes a fatal eruption in 1992 that resulted in seven deaths and 20 injuries.
