Tropical Storm Dexter forms off the U.S. Coast
Tropical Storm Dexter formed northwest of Bermuda on August 4, 2025, as the fourth named Storm of the 2025 Atlantic hurricane season.
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Krasheninnikov volcano erupts for the first time in 600 years, linked to Kamchatka M8.8 earthquake, Russia
The Krasheninnikov volcano erupted for the first time in 600 year on August 3, 2025, sending an ash plume 6 km (19 700 feet) into the sky. Scientists suggest that the eruption might have been linked to the M8.8 earthquake that struck the Kamchatka peninsula on July 30.
Hundreds of vehicles stranded as rare snowstorm hits New South Wales, Australia
Up to 50 cm (20 inches) of snow fell across elevated areas of New South Wales’ Northern Tablelands on Saturday, August 2, 2025, as a rare winter storm disrupted transport and triggered widespread emergency response. Around 200 vehicles were stranded due to the severe weather, with the State Emergency Services responding to 745 weather related incidents in just 24 hours.
Hurricane Gil strengthens in the eastern Pacific
Tropical Storm Gil strengthened into a hurricane over the eastern Pacific Ocean at 03:00 UTC on August 2, 2025 (17:00 HST on August 1), according to the National Hurricane Center. It is now the fourth hurricane of the 20205 eastern Pacific hurricane season.
Massive landslide forces 342 evacuations in Tyrnyauz, Russia
A large mudflow struck Tyrnyauz in the Elbrussky district of Kabardino‑Balkaria, Russia, at approximately 16:30 local time (LT) on July 31, 2025, prompting the evacuation of 342 residents, including 96 children, and cutting water supply to around 3 000 people.
WMO confirms megaflash spanning 829 km (515 miles) as the longest on record
The World Meteorological Organization confirmed a new lightning flash record spanning 829 km (515 miles) across the Great Plains, United States, observed on October 22, 2017.
Flash floods kill one in Maryland, trigger states of emergency in New York and New Jersey
Flash floods struck parts of the northeastern United States on July 31, 2025, killing one person in Maryland and prompting state emergencies in New York and New Jersey.
Moderate risk of excessive rainfall issued for I-95 corridor from Washington D.C. to New Jersey
Heavy to excessive rainfall and severe thunderstorms are expected across parts of the Mid-Atlantic and the Northeast on July 31, 2025, as a slow-moving cold front interacts with favorable upper jet dynamics and anomalous moisture.
Typhoon Co-may makes double landfall in Shanghai and Zhejiang, bringing record rains
Typhoon Co-may made a double landfall in China’s Zhejiang and Shanghai on July 30, 2025, bringing record rainfall and severe flooding that forced over 282 000 to relocate.
Hurricane Iona and Tropical Storm Keli form off the coast of Hawaii
Hurricane Iona and Tropical Storm Keli formed southeast of Hawaii on July 28, 2025, becoming the first two named cyclones of the 2025 central Pacific hurricane season. Iona was named in the NHC advisory issued at 03:00 UTC and reached hurricane strength by 15:00 UTC the same day. Keli followed approximately 18 hours later, reaching tropical storm strength by 21:00 UTC. Both systems are moving westward and are not expected to make landfall.
