Regional Haze Situation
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2500 ft Winds
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Latest Weather and Haze Situation
Dry weather continued over many parts of the southern ASEAN region today, except for showers mainly over the northern parts of Sumatra and the western parts of Sarawak. Widespread hotspots were detected in Kalimantan and the southern parts of Sumatra, while few to isolated hotspots were detected elsewhere in the southern ASEAN region. Moderate to dense transboundary smoke haze was observed over Peninsular Malaysia, Singapore, Kalimantan, Sumatra, and the western parts of Sarawak. Moderate to dense smoke haze was also observed over Papua and Sulawesi. Many air quality stations in Peninsular Malaysia, Singapore, Kalimantan and Sumatra are reporting Unhealthy to Hazardous levels. The full extent of the hotspot situation over Kalimantan and Sumatra could not be determined due to obscuration by thick smoke haze and cloud cover, while the smoke haze situation over parts of the region could not be fully determined due to cloud cover. Showers were observed over the northern ASEAN region today, except over the northern parts of the Mekong sub-region where it was relatively drier. Few hotspots were detected in Viet Nam, Cambodia, and the northern parts of Thailand and Lao PDR, but no significant smoke plumes were observed.
Weather and Haze Outlook
In the coming days, dry conditions are forecast to continue over many parts of the southern ASEAN region, apart from Peninsular Malaysia, the northern parts of Sumatra, and parts of Borneo, where showers are expected. While the hotspot and smoke haze situation may improve in areas experiencing showers, the situation is expected to remain elevated in fire-prone regions experiencing prolonged dry conditions, with a continued risk of severe transboundary haze occurrence. The prevailing winds over the southern ASEAN region are expected to blow mainly from the east-southeast to south. Meanwhile, showers are expected over the northern ASEAN region, except for relatively drier conditions forecast over the northeastern parts of the Mekong sub-region. The hotspot and smoke haze situation is expected to remain subdued. The prevailing winds over the northern ASEAN region are forecast blow mainly from the northeast to east, except over the northwestern parts of the Mekong sub-region and southern parts of the Philippines where winds are expected 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.