Tropical Cyclone Warning Centre (TCWC) JAKARTA


Tropical Cyclone DAHLIA

Issued Jumat 1 Desember 2017 09:13 WIB

All times shown are in WIB.

Community Threat Past Cyclone Details
  Warning Area:
Extreme weather with the possibility of heavy rain (>=50mm/day) and/or strong winds (>=50 km/h) within 24 hours
  Watch Area:
Extreme weather with the possibility of heavy rain (>=50mm/day) and/or strong winds (>=25 knots) within 48 hours
  Past Location
  Past Track and Movement
Current Cyclone Details Forecast Cyclone Details
(at 24, 48 and 72 hours from issue)
  Current Location
  Very Destructive Winds
  Destructive Winds
  Gale Force Winds
  Forecast Location
  Very Destructive Wind Boundary
  Destructive Wind Boundary
  Gale Force Wind Boundary
  Most Likely Future Track
  Range of Likely Tracks over 72 hours

The forecast path shown above is BMG's best estimate of the cyclone's future movement and intensity. There is always some uncertainty associated with tropical cyclone forecasting and the grey zone indicates the range of likely tracks.


This tropical cyclone has caused:
- Moderate to heavy rain on Bengkulu, Lampung, Banten, DKI Jakarta, West Java, Central Java, Yogyakarta, East Java, and Bali.
- Strong wind more than 20 knot on Lampung, Banten, DKI Jakarta, West Java, central Java, Yogyakarta, and western part of east Java.
- Significant wave height 2.5 - 4.0 meter on Southern Sunda Straits, Central Java Sea, Waters of northen Central Java, Waters of southern East Java to Lombok, Southern Alas Straits.
- Significant wave height 4.0 - 6.0 meter on southern Banten Waters to Central Java, Indian Ocean south of Central Java to East Java.

Tropical Cyclone Forecast:

  Time (WIB) Maximum Wind Speed
(decimal deg.)
(decimal deg.)
0hr 07:00 Desember 1 85 10,1S 109,1E
+6hr 13:00 Desember 1 85 10,1S 109,5E
+12hr 19:00 Desember 1 95 10,6S 110,1E
+18hr 01:00 Desember 2 100 11,2S 110,1E
+24hr 07:00 Desember 2 100 11,8S 110,2E
+36hr 19:00 Desember 2 95 13,1S 109,8E
+48hr 07:00 Desember 3 85 14,5S 109,4E
+60hr 19:00 Desember 3 75 16,0S 109,4E
+72hr 07:00 Desember 4 55 17,7S 109,6E

The next Impact Map will be issued by Jumat 1 Desember 2017 14:00 WIB.