Regional Haze Situation
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2500 ft Winds
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Latest Weather and Haze Situation
There were isolated showers observed over the central and northeastern parts of the Mekong sub-region overnight, while drier and cloudy conditions were observed elsewhere in the northern ASEAN region. Few hotspots were detected in Viet Nam from the latest satellite imagery. Slight to moderate smoke haze was observed in the northern, central and eastern parts of Myanmar, as well as the northern parts of Thailand and Lao PDR. The overall hotspot and haze situation over the northern, central and eastern parts of the Mekong sub-region could not be fully determined due to cloud cover.
Wet weather conditions were observed over the southern ASEAN region overnight and the hotspot and smoke haze situation remained subdued. No significant smoke plumes were observed from satellite imagery.
Weather and Haze Outlook
In the coming days, drier conditions are forecast over the northwestern and central parts of the Mekong sub-region as well as the Philippines, whereas showers are expected elsewhere in the northern ASEAN region. While the showers may have improved the hotspot and smoke haze situation over the Mekong sub-region, hotspot and smoke haze activities may still continue over the drier areas, with some chance of transboundary haze occurrence. The prevailing winds over the northern ASEAN region are likely to blow from the east to southeast, except over the Mekong sub-region where winds are forecast to blow mainly from the southwest.
The southern ASEAN region is expected to remain wet, which should keep the overall hotspot and smoke haze subdued. The prevailing winds over the southern ASEAN region are likely to be generally 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.