Regional Haze Situation
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Latest Weather and Haze Situation
It was dry over the northern parts of the Mekong sub-region today, while scattered showers were observed elsewhere in the northern ASEAN region. Scattered hotspots were detected in the northern parts of Lao PDR whereas isolated hotspots were detected in other parts of the Mekong sub-region. Moderate smoke plumes were observed to emanate from hotspot clusters in the northern parts of Lao PDR and drift eastwards into the northern parts of Viet Nam. Localised moderate smoke plumes were observed emanating from isolated hotspots in the central parts of Myanmar. The full extent of the hotspot and haze situation over the Mekong sub-region could not be determined due to cloud cover.
Showers prevailed over the southern ASEAN region, except over the northern parts of Peninsular Malaysia where it was relatively drier. Few hotspots were detected in Sarawak and the southern parts of Sumatra. A localised smoke plume was observed emanating from a hotspot detected in Sarawak.
Weather and Haze Outlook
Over the next few days, dry weather is likely to persist over the northwestern parts of the Mekong sub-region while showers are forecast elsewhere in the northern ASEAN region. The increased rainfall is expected to improve the hotspot and smoke haze situation over the Mekong sub-region, with a lowered risk of transboundary haze occurrence. The prevailing winds over the northern ASEAN region are likely to turn light and variable in direction, except over the Philippines where the winds are forecast to blow from the southeast.
Wet weather is expected to continue over the southern ASEAN region, which should keep the hotspot and smoke haze situation subdued. The prevailing winds over the southern ASEAN region are likely to be light and variable in direction.
- 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.