Regional Haze Situation
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Latest Weather and Haze Situation
Dry weather continued over most parts of the southern ASEAN region today, except for isolated showers over the northern parts of Peninsular Malaysia. Clusters of scattered to widespread hotspots were detected in West 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 plumes were observed in West Kalimantan, drifting northwards into the western parts of Sarawak. Moderate to dense smoke plumes were also observed to emanate from hotspots detected in other parts of Kalimantan, the central parts of Sarawak, and the central and southern parts of Sumatra. A few air quality stations in West Kalimantan, and the central and western parts of Sarawak recorded Unhealthy levels. The full extent of the hotspot and smoke haze situation in the region could not be determined due to cloud cover.
On the other hand, wet weather was observed over the northern ASEAN region. Hotspot and smoke haze activities remained subdued.
Weather and Haze Outlook
Over the next few days, dry conditions are forecast to continue over many parts of the southern ASEAN region, except over the northern and central parts of Sumatra and Peninsular Malaysia, and parts of North Kalimantan where showers are expected. The hotspot and smoke haze situation may escalate in fire-prone regions experiencing prolonged dry conditions, with a risk of transboundary haze occurrence. The prevailing winds over the southern ASEAN region are expected to blow mainly from the southeast or south.
Meanwhile, showers are forecast to continue over the northern ASEAN region in the coming days. The hotspot and smoke haze situation in the region is expected to remain subdued. The prevailing winds over the northern ASEAN region are forecast to blow from the southwest or west.
- 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.