A localized hailstorm covered a section of Ripiro Beach, Northland, New Zealand, at around 17:00 local time (LT) on August 23, 2025, leaving several hundred meters of beach blanketed in hail up to 5 cm (2 inches) deep.
One fatality and one injury were reported after a boat struck a large wake in New Jersey’s Barnegat Bay, ejecting the two occupants into the water on August 24, 2025, amid hazardous marine conditions generated by offshore Hurricane Erin.
Tropical Storm Fernand formed on August 23, 2025, southeast of Bermuda as the sixth named storm of the 2025 Atlantic hurricane season. The system is currently moving north-northeast, with weakening forecast in the coming days.
Charleston broke a daily rainfall record as a stalled cold front over the southeastern United States dropped up to 300 mm (12 inches) rain in Charleston County, on Friday, August 22, 2025. The system also affected parts of southeastern Georgia, prompting Level 2 of 4 flash flood risk alerts from the Weather Prediction Center, with rainfall rates exceeding 75 mm (3 inches) per hour and localized accumulations up to 150 mm (6 inches) expected through Sunday, August 24.
Tropical Storm Kajiki formed rapidly over the northeastern South China Sea on August 23, 2025, and is forecast to make landfall in central Vietnam on August 25, bringing violent winds and extreme rainfall. Forecast models indicate rainfall totals of 150–300 mm (6–12 inches) across central provinces, with some areas expected to receive more than 600 mm (24 inches) between August 24 and 26.
A rare waterspout outbreak occurred over the Baltic Sea on August 21, 2025, producing at least 12 waterspouts off the coast of Poland and 8 off Denmark, including one sighting of eight simultaneous funnels.
Multiple tornadoes touched down near the North Dakota–South Dakota border on the evening of August 21, 2025, including a large one near Hankinson in Richland County, North Dakota.
Tropical Storm Lingling formed and made landfall on August 21, 2025, near Hioki City in Kagoshima Prefecture. The storm produced peak gusts of 111 km/h (69 mph) in Kagoshima City and brought heavy rainfall that exceeded monthly averages in parts of southern Kyushu, prompting evacuation orders and landslide warnings.
A severe storm delivered 65 mm (2.56 inches) of rain in under one hour on Elba Island, Italy, on August 20, 2025, triggering flash floods in Portoferraio, where streets were submerged and transport was disrupted, while drainage systems overflowed across the island.
A long-track tornado up to 2.5 km (1.6 miles) wide crossed remote forest near Taylakovo, Khanty-Mansi Autonomous Okrug, Russia, at around 14:15 UTC on June 17, 2025.
