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.
Hurricane Erin made its closest approach to the U.S. coast overnight on August 19–20, 2025, closing part of North Carolina Highway 12 and prompting evacuations in coastal counties. Over 70 rip current rescues were reported along North Carolina beaches as the system brought storm surge, coastal flooding, and overwash to the Outer Banks.
Intense rainfall on August 20, 2025, caused severe flooding across the Guadalajara metropolitan area, Mexico, disrupting transport, stranding vehicles, and damaging at least 51 homes, according to municipal reports.
An unusually strong summer atmospheric river made landfall over the Pacific Northwest late on August 14, 2025, reaching AR 3 along the Washington coast and producing 75–200 mm (3–8 inches) of rain across parts of western Washington.
Tropical Storm Erin is forecast to grow substantially over the western Atlantic this week, producing dangerous surf, rip currents, and a possible storm surge of 0.6 to 1.2 m (2–4 feet) from Cape Lookout to Duck, North Carolina, as it approaches the U.S. East Coast, the Bahamas, Bermuda, and Atlantic Canada.
