Tropical Cyclone Services

These are the various warnings issued to the public by the JakartaTCWC, in both English and Indonesian language.

• Extreme Weather Warning
  Warning for districts that have a high probablility of extreme weather (rainfall greater than 50mm per day, wind speed greater than 25 knots) due to a Tropical Cyclone.
  Samples: (English) (Indonesian)


• High Seas Warning
  Tropical Cyclone warning for Jakarta's International Marine Area of Responsibility (0-10 degrees south, 90-125 degrees east)
  Samples: (English) (Indonesian)


• Coastal Zone Warning
  Warning for Indonesian region coastal zones of a Tropical Cyclone or extreme weather.
  Samples: (English) (Indonesian)


• TC Public Information Bulletin
  Information bulletin of Tropical Cyclone occurrence around the Indonesian region (20 degrees north to 20 degrees south, 80 degrees east to 150 degrees east), including a brief description of the impact on the Indonesian region.
  Sample: (Indonesian)


• TC Outlook
  3-Day forecast of Tropical Cyclone development in the Jakarta TCWC's Area of Responsibility (0-10 degrees south, 90-125 degrees east).
  Sample: (Indonesian)


• TC Track and Impact Map
  Map showing the Tropical Cyclone track and a forecast of the extreme weather impact of the Tropical Cyclone on the Indonesian region.
  Samples: (English) (Indonesian)


• Extreme Weather Map
  Map showing a forecast of non-TC-related extreme weather in the Indonesian region.

Tropical Cyclone Service Areas

Tropical cyclones develop over tropical waters around Indonesia during the warmer months, mostly November to April. BMG provides warning services for these cyclones. Warnings are issued for land-based communities under threat and for mariners.  Routine outlooks are also issued during the cyclone season.

International areas

The areas of responsibility for BMG and other global cyclone warning centres are shown in the following map.