What was the peak intensity of Choi-wan?

Choi-wan achieved maximum sustained winds of approximately 180 km/h (97 kt / 112 mph) and a minimum central pressure of approximately 925 hPa.

Did Choi-wan affect Yokohama?

Choi-wan passed approximately 734 km away from Yokohama. Historical data indicates minimal direct weather impact on Yokohama.

Did Choi-wan affect Tokyo?

Choi-wan passed approximately 744 km away from Tokyo. Historical data indicates minimal direct weather impact on Tokyo.

Did Choi-wan affect Osaka?

Archived track data is insufficient to determine direct impacts for Osaka from Choi-wan.

How did Choi-wan form?

Choi-wan developed over warm ocean waters under conditions of high atmospheric moisture and low vertical wind shear.

Typhoon Choi-wan Track Map & Archive

Dissipated

Final Meteorological Archive: 07 Oct 2026 23:00 GMT+11

Local time · Active from 30 Sep 2026 22:00 GMT+10 to 07 Oct 2026 23:00 GMT+11

Previous Storm:

Nolo

Next Storm:

Koguma

Loading live hurricane tracking map...

Interactive Live Storm Tracker

📊

Estimated Storm Impact Analysis

Real-time analysis of population and infrastructure exposure within the storm's wind field.

Radius: ~600 km

👥 Estimated Population at Risk

13.84Mpeople

🏥 Hospitals & Medical Centers

252facilities

🏕️ Evacuation Shelters & Centers

769centers

🏫 Schools & Critical Infrastructure

1846buildings

Basic Information

Peak Category

Extratropical Low

Minimum Pressure

925 mb

Maximum Wind Speed

112 mph (180 km/h)

Region

West Pacific

Key Events

Formation

30 Sep 2026 22:00 GMT+10

16.0°N, 150.0°E

Dissipation

07 Oct 2026 23:00 GMT+11

46.0°N, 162.0°E

Frequently Asked Questions about Choi-wan

No, Choi-wan is no longer active. It dissipated or transitioned into an extratropical cyclone on 2026-10-07T12:00:00.000Z.

Choi-wan formed on 2026-09-30T12:00:00.000Z and dissipated on 2026-10-07T12:00:00.000Z, reaching a peak intensity of Extratropical Low.

Key Meteorological Milestones

Synthesized from official bulletins (NHC/NOAA, JMA, CMA, KMA). Licensed for non-commercial educational & academic research.

🌀

Genesis & Initial Classification

Tropical Depression

📅 30 Sep 2026 12:00 (30 Sep 2026 22:00 GMT+10)🌐 16.0°N, 150.0°E🏛️ Official

Wind Speed54 km/h (29 kt)

Pressure1002 hPa

⚡

Named Storm Upgrade (TS)

Tropical Storm

📅 30 Sep 2026 18:00 (01 Oct 2026 04:00 GMT+10)🌐 16.4°N, 149.5°E🏛️ Official

Wind Speed65 km/h (35 kt)

Pressure998 hPa

🏆

Peak Lifetime Intensity (LMI)

Typhoon

📅 04 Oct 2026 12:00 (04 Oct 2026 22:00 GMT+10)🌐 23.3°N, 147.0°E🏛️ Official

Wind Speed180 km/h (97 kt)

Pressure925 hPa

📉 Pressure Drop-77 hPa

🌫️

Extratropical Transition (Post-Tropical)

Extratropical Low

📅 07 Oct 2026 12:00 (08 Oct 2026 00:00 GMT+12)🌐 46.0°N, 162.0°E🏛️ Official

Wind Speed-

Pressure970 hPa

💾Best-Track Scientific Dataset Exporter

⚪ Official Final Consolidated Archive

Synthesized research-grade meteorological data ready for Excel, Python Pandas, or GIS platforms, compliant with academic citations and multi-agency validation.

🛡️

Meteorological Data Transparency & Public Safety Notice

StormAtlas tracking models and advisories are synthesized from public bulletins issued by NOAA/NHC, JTWC, JMA, and CMA for situational awareness and scientific research. For emergency evacuation orders, hazard warnings, and life-safety decisions, please strictly adhere to directives from your local emergency management agencies and national meteorological services.