SINGAPORE - In an advisory issued on Sunday night, the National Environment Agency (NEA) said that dense smoke plumes observed over central and southern Sumatra may be blown over Singapore by forecasted southerly and southeasterly winds.
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Here is the advisory issued by NEA on Monday evening in full:
As at 7pm today, the 24-hr PSI is 24 - 32 and the 24-hr PM2.5 is 12 - 15.
There has been a marked increase in the number of hotspots in Sumatra today, with the latest number of hotspots being 488, of which 267 are in Riau province and 66 in South Sumatra. Moderate to dense smoke plumes were also observed to be emanating from some of the hotspots in central Sumatra. The ASEAN Specialised Meteorological Centre, hosted by the Meteorological Service Singapore, has advised the interim ASEAN Coordinating Centre on the activation of Alert Level 2 for Sumatra.
The Chief Executive Officer of the National Environment Agency, Mr Ronnie Tay, has written and spoken to his Indonesian counterparts to register Singapore's concerns over the sharp increase in hotspot counts in Sumatra, particularly over the last few days. In this matter, Mr Tay sought an urgent update from the Indonesians on the situation.
For the next few days, dry weather conditions are expected to prevail in central and southern Sumatra. The low level winds over Singapore are forecast to blow from the south or southeast. Should the winds weaken and blow from the southwest over the next few days, there is a possibility that Singapore could experience slightly hazy conditions.
For 27 Aug 2013, thundery showers are expected for Singapore in the late morning and early afternoon.
Given the favourable wind conditions, the 24-hr PSI for the next 24 hours is expected to be in the Good band (ie. less than or equal to 50) and the 24-hour PM2.5 is expected to be slightly elevated.
NEA will update the public if there are any changes in the haze situation.
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