Key Facts
• Japan Meteorological Agency issued tropical depression update at 4:30 AM, August 21.
• Tropical depression located 120 km west of Satsumasendai City at 3:00 AM.
• Coordinates: 31°40’N, 129°00’E; moving northeast at 15 km/h.
• Current central pressure: 1008 hPa; max wind speed: 15 m/s; gusts: 23 m/s.
• Expected to develop into a typhoon within 24 hours.
• Forecast for August 22, 3:00 AM: near Satsumasendai City, 31°55’N, 130°05’E.
• Predicted central pressure: 1006 hPa; max wind speed: 18 m/s; gusts: 25 m/s.
• Typhoon likely to weaken back to tropical depression by August 23, 3:00 AM.
• Forecast location: near Izumi City, Kagoshima Prefecture, 32°00’N, 130°35’E.
• Predicted central pressure: 1008 hPa; 70% probability of center within forecast circle.
• Public advised to monitor updates closely.
Summary
The Japan Meteorological Agency announced that a tropical depression near Satsumasendai City is expected to develop into a typhoon within 24 hours. As of August 21, 3:00 AM, the system was located 120 km west of the city, moving northeast at 15 km/h, with a central pressure of 1008 hPa and maximum wind speeds of 15 m/s. By August 22, 3:00 AM, it is forecasted to strengthen into a typhoon near Satsumasendai City, with a central pressure of 1006 hPa and maximum wind speeds of 18 m/s. However, it is expected to weaken back into a tropical depression by August 23, 3:00 AM, near Izumi City, Kagoshima Prefecture. The probability of the system’s center remaining within the forecast circle is 70%. Residents in affected areas are urged to stay updated on weather developments.
