Over 1 000 people have died and hundreds remain missing on Tuesday, December 2, 2025, after rare Tropical Cyclone Senyar brought severe flooding and landslides across Indonesia, Thailand, and Malaysia.
A low-pressure area developed over the Strait of Malacca on November 22, 2025, and gradually organized into Cyclonic Storm Senyar on November 26. The rare low-latitude system made landfalls in northern Sumatra and Peninsular Malaysia, producing extreme rainfall and catastrophic flooding across Indonesia, Malaysia, and southern Thailand. At least 316 people were killed and thousands displaced before Senyar weakened into a low-pressure remnant on November 28.
Deadly floods triggered by record rainfall over the last week have claimed at least 33 lives in Thailand as of November 27, 2025. The government deployed military ships and helicopters to support the relief efforts across multiple provinces.
Ash and sulfur dioxide released by Ethiopia’s Hayli Gubbi volcano, erupting for the first time in at least 12 000 years, disrupted regional air travel between November 24 and 25, 2025. The eruption produced a high-altitude plume reaching about 14 km (46 000 feet) above sea level, spreading eastward across the Arabian Peninsula and India, where aviation authorities issued advisories, rerouted long-haul flights, and temporarily suspended operations on affected routes.
Severe mid-November flooding across central Vietnam has left 102 people dead or missing as of November 24, 2025, with Đắk Lắk suffering the worst losses and widespread destruction reported to homes, agriculture, and transport infrastructure.
Hayli Gubbi volcano in Ethiopia erupted for the first time in at least 12 000 years on November 23, 2025, marking its first confirmed Holocene activity. The eruption generated a plume rising to about 14 km (46 000 feet) above sea level before drifting toward the Arabian Peninsula. Updated satellite data from IASI-C on November 24 detected a large SO2 plume between 5 km (16 400 feet) and 17 km (55 800 feet), with a centre-of-mass height near 16 km (52 500 feet) and a total mass loading of 58.4 kt.
A major solar flare registered as X5.1 erupted from Active Region 4274 at 10:04 UTC on November 11, 2025. The event started at 09:49 UTC and ended at 10:17 UTC.
A new assessment by MetSul Meteorologia confirms that the deadly tornado that struck Rio Bonito do Iguaçu, Paraná, Brazil, on November 7, 2025, reached EF-4 intensity on the Enhanced Fujita Scale, with estimated wind speeds between 250 km/h and 300 km/h (155 mph to 186 mph). The event killed six people, injured more than 400, and destroyed much of the city’s urban area, making it one of the most intense tornadoes recorded globally in 2025.
Super Typhoon Fung-wong (known locally as Uwan) made landfall over Dinalungan, Aurora, northern Luzon, at about 21:10 LT (13:10 UTC) on November 9, 2025, with maximum sustained winds near 185 km/h (115 mph) and gusts up to 230 km/h (143 mph). More than 1.1 million people were pre-emptively evacuated across 12 regions, and at least two fatalities and two injuries have already been confirmed.
A powerful tornado struck the municipality of Rio Bonito do Iguaçu, Paraná, southern Brazil, in the late afternoon of November 7, 2025, killing at least five people and injuring over 130, of whom 30 were seriously injured. Winds exceeding 240 km/h (150 mph) destroyed most of the town’s structures, prompting a large-scale emergency response by Civil Defense, the Fire Department, and state authorities.
