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Lower risk of transboundary haze affecting Singapore due to onset of inter-monsoon: NEA

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In short

The Meteorological Service Singapore noted that regional showers have already helped suppress active burning in locations like South Sumatra. Over the first half of November, Singapore will experience moderate to heavy afternoon thundery showers with rainfall expected to exceed long-term averages. Despite the wetter conditions, daytime heat will remain elevated, with temperatures occasionally climbing past 35 degrees Celsius. The inter-monsoon phase will eventually transition into the north-east monsoon by early December.

Key points

  • The onset of the inter-monsoon period brings variable winds that significantly reduce the…: The onset of the inter-monsoon period brings variable winds that significantly reduce the likelihood of transboundary haze reaching Singapore.
  • Recent regional rainfall has successfully reduced fire activity in parts of Indonesia, in…: Recent regional rainfall has successfully reduced fire activity in parts of Indonesia, including South Sumatra.
  • Early December will mark the arrival of the north-east monsoon, which is set to bring pre…: Early December will mark the arrival of the north-east monsoon, which is set to bring prevailing winds from the north.

Sources checked by our analysis pipeline: 1

SINGAPORE - Changing wind conditions due to the onset of the inter-monsoon in Singapore will likely lower the risk of transboundary haze affecting the Republic, the weatherman said on Oct 29.

“With the shift from persistent southeasterly or southwesterly winds to light and variable winds in the surrounding region, smoke haze is less likely to be transported from fires towards Singapore,” said the Meteorological Service Singapore (MSS).

Together with wetter conditions over Singapore and the nearby areas, the smoke haze situation for Singapore is expected to improve, it added in its fortnightly weather outlook.

In the first two weeks of November, moderate to heavy thundery showers are expected over parts of the island in the afternoon on most days, said MSS.

The showers may extend into the evening on a few of these days. The total rainfall for the next two weeks is forecast to be slightly above its long-term average over most parts of the island.

It is expected to remain warm, as the daily highest temperatures are expected to range between 33 deg C and 35 deg C…

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