Regional Haze Situation
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Latest Weather and Haze Situation
The southern ASEAN region remained dry today, except for some showers over parts of Peninsular Malaysia, as well as northern and central Sumatra. Scattered hotspots were detected in Kalimantan and the southern parts of Sumatra, while few hotspots were detected elsewhere in the southern ASEAN region. Moderate to dense transboundary smoke haze was observed over parts of Kalimantan, Singapore, Sarawak, the southern parts of Peninsular Malaysia and the central and southern parts of Sumatra. Smoke haze was also observed drifting from Kalimantan into Sabah and the southern parts of the Philippines. Air quality stations in parts of Borneo, Peninsular Malaysia, Singapore, as well as the central and southern parts of Sumatra reported Unhealthy to Hazardous levels. The full extent of the hotspot and smoke haze situation over the southern ASEAN region could not be determined due to cloud cover. Showers were observed over the northern ASEAN region, apart from the northern and central parts of the Mekong sub-region where it was relatively drier. The hotspot activity over the northern ASEAN region remained low.
Weather and Haze Outlook
In the coming days, dry weather is expected to persist over parts of the southern ASEAN region, except over Peninsular Malaysia, the northern and central parts of Sumatra and the northern parts of Borneo where showers are forecast. While showers may bring some improvement to the hotspot and smoke haze situation, there is still a risk of transboundary haze occurrence especially over areas experiencing prolonged dry conditions. The prevailing winds over the southern ASEAN region are likely to blow from the southeast to southwest. Wet weather is expected to continue over the northern ASEAN region, apart from parts of northern Mekong sub-region where relatively drier conditions are forecast. The hotspot activity is likely to remain low. The prevailing winds over the northern ASEAN region are expected to blow from the northeast to east, except over the northwestern parts of the Mekong sub-region where the winds are forecast 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.