Typhoon Jangmi Strengthens While Tracking Toward Southern Japan
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Typhoon Jangmi, a large, slow-moving storm, tracked north-northwest toward southern Japan from late May into early June 2026. Its sustained winds increased from 120 to 130 kilometers per hour over a day, equivalent to a Category 1 hurricane. Forecasts indicated the storm would pass near Okinawa before turning northeast toward the Amami region.
Facts First
- Typhoon Jangmi strengthened as it moved toward southern Japan in late May and early June 2026.
- Sustained winds increased from 120 to 130 km/h over a 24-hour period, equivalent to a Category 1 hurricane.
- The storm's center remained south of Okinawa in satellite imagery from May 30 and 31.
- Outer cloud bands spread over parts of Japan as the typhoon moved northward.
- Forecasts projected a close approach to Okinawa before a turn northeast toward the Amami region around June 1-2.
What Happened
Typhoon Jangmi tracked north-northwest across the Philippine Sea toward southern Japan from late May into early June 2026. On May 30, the Joint Typhoon Warning Center (JTWC) reported sustained winds of 120 kilometers per hour. By May 31, the typhoon had strengthened, with sustained winds increasing to 130 kilometers per hour. Satellite images from the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument captured the storm's eye and eyewall, showing its center remained south of Okinawa. The storm's outer cloud bands spread over parts of Japan during its northward movement.
Why this Matters to You
If you are in southern Japan or the surrounding region, this typhoon may bring heavy rainfall and strong winds that could disrupt travel, cause power outages, and lead to localized flooding. The storm's projected path near Okinawa and the Amami Islands means residents and travelers in those areas should monitor official forecasts closely for evacuation orders or safety instructions. The storm's intensity, equivalent to a Category 1 hurricane, suggests it has the potential to cause damage to property and infrastructure.
What's Next
Forecasts indicated Typhoon Jangmi would pass near Okinawa before turning northeast toward the Amami region around June 1-2. The storm's future track and intensity will likely determine the extent of impacts across southern Japan. Residents in the forecast path should continue to follow updates from local meteorological agencies.