Tropical Storm Alvin, the first named storm of the 2025 eastern Pacific hurricane season, is forecast to form off the southern coast of Mexico this week from a developing low-pressure system designated Invest 90-E. A Gale Warning has been issued for offshore waters from Guerrero to Jalisco due to strengthening winds and rough seas associated with the system.
A strong earthquake registered by the BMKG as M6.0 struck near the coast of Bengkulu Province, Sumatra, Indonesia, at 19:52 UTC on May 22, 2025, resulting in damage to at least 206 structures, including 140 homes, across several regencies.
A thick dust storm significantly degraded air quality across Greater Sydney and the Illawarra region, Australia, on the morning of May 27, 2025. Particulate matter (PM10) levels surpassed 900 μg/m³ in some locations, prompting health warnings from authorities.
Nearly 800 homes have been deemed uninhabitable following the historic floods in New South Wales, Australia, from May 17 to 22, 2025, that claimed five lives and cut off around 50 000 people. The event has been classified as an insurance catastrophe, with some calling it a once-in-a-500-year flood.
A record-breaking heatwave affected Iceland from May 6 to 15, 2025, with temperatures reaching 26.6°C (79.9°F) at Egilsstaðir Airport and setting a new national May temperature record. The 10-day event was described by the Icelandic Meteorological Office as the most significant May heatwave in the country’s meteorological history.
Mumbai experienced its earliest monsoon onset in 75 years on May 26, 2025, leading to record-breaking rainfall that surpassed a 107-year-old May record at the Colaba observatory. The heavy rains caused widespread flooding, disrupting traffic and leading to power outages across the city.
At least 20 people were killed and more than 150 injured as powerful windstorms and heavy rainfall struck Pakistan’s Punjab province on May 24 and 25, 2025. The storms followed an intense heatwave, causing widespread infrastructure damage and disrupting transportation across the region.
Giant hail measuring up to 15 cm (6 inches) struck Afton, Texas, on Sunday, May 25, 2025, as storms swept across the southern U.S. during Memorial Day weekend. The storms were accompanied by multiple tornadoes, with at least five reported in Texas, including one near Afton.
A rare tornado struck the southern Chilean city of Puerto Varas at approximately 15:30 LT on Sunday, May 25, 2025. The tornado caused significant damage to homes, vehicles, and infrastructure, left eight people injured, and thousands without power.
The United Arab Emirates recorded 51.6°C (124.9°F) in the town of Sweihan, Al Ain Region, Emirate of Abu Dhabi, at 13:45 LT (09:45 UTC) on May 25, 2025, breaking the country’s May temperature record for the second consecutive day, just 0.4°C (0.7°F) below the all-time national maximum.
