Typhoon Mitag made landfall on the coast of Shanwei, Guangdong Province, at 14:50 LT (06:50 UTC) on September 19, 2025, bring along heavy rains and severe weather. Authorities raised Level III emergency response as the storm prompted school and other closures.
Remnants of Tropical Storm Mario brought widespread rainfall to California and the Desert Southwest on September 17–18, 2025, prompting water rescues, triggering mudslides, and flash flooding across the region.
PAGASA upgraded Tropical Depression Nando (internationally known as Ragasa) to a tropical storm at 23:00 LT (15:00 UTC) on September 18, 2025. The system will continue to intensify while over the Philippine Sea and may reach typhoon category by Saturday, September 20. Further intensification into super typhoon category while traversing the Extreme Northern Luzon is not ruled out.
Moisture from post-tropical Mario is forecast to spread into southern California on September 18, 2025, bringing thunderstorms and rainfall totals of 25–75 mm (1–3 inches) through Friday. Rainfall rates may exceed 25 mm/h (1 inch/h), prompting Flood Watches and Flash Flood Watches across much of the region. Arizona and New Mexico are also expected to see widespread showers and thunderstorms with localized flooding into September 19.
Tropical Storm Gabrielle, the 7th named storm of the 2025 Atlantic hurricane season, formed over the central Atlantic at 15:00 UTC on September 17, 2025. The system is moving north-northwest and is forecast to intensify over the next several days.
At least 18 people were killed and 16 reported missing after cloudbursts and landslides triggered by heavy rains struck Uttarakhand and Himachal Pradesh, India, on September 15–16, 2025. Authorities said more than 900 residents were stranded as roads and bridges were destroyed by flash floods.
A tornado struck the island of Java, Indonesia, on September 16, 2025, damaging dozens of homes and a mosque. The full extent of damage is still being assessed.
A severe hailstorm impacted Zhuoni County in Gansu Province, China, on September 16. Local reports and video evidence indicate intense rainfall reaching 40 mm (1.57 inches) per hour, combined with a surface temperature of 6°C (43°F). Large amounts of hail accumulated on the ground, covering roads, farmland, and residential areas. Video footage shared on social…
A slow-moving coastal low is forecast to track northwestward into the Mid-Atlantic through September 18, 2025, bringing multiple hazards including heavy rainfall, gusty winds, shallow coastal flooding, rip currents, and large surf.
Severe rainfall caused widespread flooding and slope failures across Sabah from September 13 to 15, 2025, killing at least 12 people and leaving one missing. Landslides destroyed homes in Papar and Kota Kinabalu, while another fatal slope failure in Penampang collapsed a transmission tower and triggered a massive power outage.
