Severe Tropical Storm Krosa (12W) – Tropical Cyclone Advisory #16: 0000 UTC 31 July 2025

Krosa finally on the move.

Author

Will Weaver
July 30, 2025

…Krosa finally on the move…

Himawari-9 visible satellite image (Weathernerds)

Current storm information:

  • Position: 30.1°N 142.9°E

  • Movement: NNW at 6 knots (10 km/h)

  • Intensity: 50 knots (95 km/h)

  • Central pressure: 978 hPa

Trend:

  • Some gradual strengthening is forecast during the next 24 hours.

Watches and warnings:

  • There are no land-based watches or warnings in effect.

Hazards affecting land:

  • Interests in mainland Japan should monitor the progress of Krosa. Krosa could make a close approach to southeastern Honshu this weekend, which could result in heavy rain and gusty winds, mainly east of Tokyo. U.S. military interests can get additional information from the Stars & Stripes Pacific Storm Tracker: https://www.stripes.com/theaters/asia_pacific/storm_tracker/

The next advisory will be posted after 1200 UTC 31 July 2025.

Forecast positions and maximum winds

  • 00 hrs: 30.1°N 142.9°E – 50 kts

  • 12 hrs: 31.3°N 142.8°E – 55 kts

  • 24 hrs: 32.6°N 142.6°E – 60 kts

  • 48 hrs: 36.1°N 142.7°E – 60 kts

  • 72 hrs: 38.8°N 149.5°E – 50 kts

  • 96 hrs: 40.3°N 158.5°E – 45 kts Post-tropical/extratropical

  • 120 hrs: 40.5°N 165.6°E – 35 kts Post-tropical/extratropical

JMA forecast map