Flood Watches are in effect across parts of Arizona, New Mexico, Utah and Colorado as successive Pacific moisture surges raise the flash-flood threat through early November 2, 2026. The Weather Prediction Center (WPC) has placed the Four Corners under a Moderate Risk of excessive rainfall for November 1, when it expects a high-impact heavy rainfall event over saturated ground.
Cyclone Arnab caused severe flooding across southern Odisha on October 29, 2026, after Patrapur in Ganjam district received 546 mm (21.5 inches) of rain in 24 hours. Around 300 villages were reported marooned in Ganjam, where the state planned to evacuate 120 people by helicopter in the first phase.
A Bering Sea storm associated with the remnants of Typhoon Champi is forecast to raise water levels at Hooper Bay, Alaska, by 0.6–1.2 m (2–4 feet) above normal high tide from October 29 into early October 31, 2026. A Coastal Flood Advisory is in effect, while state officials reported that power had been mostly restored in Kivalina after an earlier storm damaged a powerline and prompted residents to shelter at a school.
Cyclone Arnab crossed India’s Andhra Pradesh–Yanam coast southwest of Yanam on October 28, 2026, as a very severe cyclonic storm before weakening inland. The National Disaster Response Force (NDRF) later reported three deaths in Andhra Pradesh, while the India Meteorological Department (IMD) estimated landfall winds of 125–135 km/h (78–84 mph), gusting to 150 km/h (93 mph).
A tornado preliminarily classified as EF-2 struck Requínoa in Chile’s O’Higgins Region at about 17:30 LT (20:30 UTC) on October 26, 2026, damaging homes, a school, and electrical infrastructure. The National Service for Disaster Prevention and Response (SENAPRED) listed one person injured and 85 homes damaged as of October 27.
Very severe cyclonic storm Arnab approached India’s Andhra Pradesh–Yanam coast on October 27, 2026, with landfall forecast near Yanam during the morning of October 28. The India Meteorological Department (IMD) forecast landfall winds of 125–135 km/h (78–84 mph), gusting to 150 km/h (93 mph), alongside storm surge and isolated extremely heavy rainfall.
New Mexico requested a federal emergency declaration on October 24, 2026, after record San Juan River flooding prompted hundreds of water rescues and affected communities around Farmington and Bloomfield. The request covered four counties and five Tribal nations, seeking assistance for debris removal and emergency protective measures. The San Juan River at Farmington reached 4.3 m (14.1 feet) on October 23, breaking its previous record of 3.75 m (12.3 feet) set in September 1909. The gauge subsequently stopped operating, leaving the final crest unconfirmed. Hundreds of water rescues were reported between Farmington and Bloomfield as flooding affected nearby communities.
Recovery operations continued in Taiwan on October 25, 2026, after Typhoon Champi brought strong winds, heavy rain, and high waves from October 22 to 24. The Central Emergency Operations Center’s final October 24 briefing reported one death and 634 injuries, while agricultural losses rose to NT$193.32 million by the following afternoon.
Hurricane Vance continued strengthening far south of Mexico on October 23, 2026, with maximum sustained winds reaching 150 km/h (90 mph) at 09:00 LT (15:00 UTC). The National Hurricane Center (NHC) forecast Vance to briefly reach Category 3 intensity Saturday morning but said the intensity forecast had low confidence because cooler water and increasing wind shear could limit further strengthening.
Tropical Storm Vance strengthened over the eastern Pacific on October 22, becoming the 21st named storm of the 2026 season and making 2026 the first eastern Pacific season since 2018 to reach that total. At 15:00 UTC, maximum sustained winds had increased to 95 km/h (60 mph), and the National Hurricane Center (NHC) forecast Vance to become a hurricane during the night of October 22 and possibly a major hurricane by the weekend.
