Tropical Storm Alvin, the first named storm of the 2025 eastern Pacific hurricane season, formed off the southern coast of Mexico on May 29. Forecasts indicate it will dissipate by the end of the week without making landfall.
Severe storms swept through central Texas on May 28, 2025, producing hailstones up to 7 cm (2.75 inches) in diameter, flash flooding, and wind gusts up to 124 km/h (77 mph). The storms caused extensive damage in Austin, leaving more than 68 000 customers without power and prompting multiple water rescues across the city.
Tropical Depression 1-E formed off the coast of southern Mexico on May 28, 2025, as the first tropical depression of the 2025 eastern Pacific hurricane season. The system is forecast to develop into Tropical Storm Alvin on Thursday, May 30.
The Blanco tornado that struck Pittsburg County, Oklahoma, on May 19, 2025, has been rated EF-3 by the National Weather Service (NWS). With a maximum width of 2.7 km (1.7 miles), it now ranks as the third-widest tornado recorded in Oklahoma since 1950.
Severe thunderstorms struck Houston, Texas, on May 27, 2025, causing nearly 200 000 power outages and significant infrastructure damage.
A rare and exceptionally powerful lightning strike, known as a superbolt, struck Tulsa, Oklahoma, on May 25, 2025, causing structural damage and shaking nearby homes with an electrical discharge estimated between 228 000 and 280 000 amps.
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 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.
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.
