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Latest Weather and Haze Situation

Wet weather prevailed over the northern ASEAN region today while most of the southern ASEAN region continued to experience relatively drier conditions. Few to isolated hotspots were mostly detected in Java and the western parts of Kalimantan as well as in the southern and central parts of Sumatra. Slight isolated smoke plumes were observed to emanate from hotspots detected in the central parts of Sumatra and the western parts of Kalimantan.

Weather and Haze Outlook

Severe Tropical Storm Gaemi and Tropical Storm Prapiroon located to the east and west of the Philippines respectively are expected to intensify and track northwestwards. The wet weather over the northern ASEAN region is forecast to prevail with intense rainfall expected over the northern parts of the Philippines and the eastern parts of the Mekong sub-region under the influence of Severe Tropical Storm Gaemi and Tropical Storm Prapiroon respectively. In the southern ASEAN region, drier conditions are forecast over Peninsular Malaysia, Java and the Lesser Sunda Islands as well as the southern and western parts of Borneo. Isolated hotspots with localised smoke plumes may develop in drier areas. The prevailing winds north of the Equator are forecast to strengthen and blow from the southwest to west under the influence of the tropical storms, while prevailing winds south of the Equator are forecast to blow mainly from the southeast.

  • All maps are to be used solely for displaying meteorological/geophysical information, and not for any other purpose. All maps are not to scale and for illustrative purpose only.
  • The hotspots depicted on the map are derived from the NOAA satellite and they represent locations with possible fires. Hotspots may go undetected due to cloudy conditions or incomplete satellite pass.
  • At Alert Level 0 and Alert Level 1, the regional haze situation is updated once a day at 0900 UTC. The regional haze situation is updated more frequently at 0300 UTC and 0900 UTC upon activation of Alert Level 2 or Alert Level 3. Updates at 0300 UTC display hotspot information from night-time passes of the NOAA-20 satellite. Fewer hotspots were typically detected at night as fire activities usually peak during the day.
  • Reprocessed satellite data will be availed at a later timing. The hotspot information derived from satellite data reprocessed may differ slightly from that received near real-time but reprocessing is necessary for better quality data.
  • The 2500 ft winds (depicted by arrows) are model analysis winds.