S’pore will experience dry conditions together with warm & humid nights in Sept
The current dry conditions that have lasted for more than a month will continue in the first half of September, according to the Meteorological Service Singapore (MSS).
This will unfortunately also lead to haze, especially if regional hotspots intensify, MSS predicted in a weather advisory released on Tuesday (1 Sept).
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Fair & occasionally windy in 1st week of Sept
According to MSS, most days of the first week of this month will see fair and occasionally windy conditions.
However, “sporadic showers” are likely in the second week of the fortnight.
These thundery showers should be localised and of short duration. They will take place across parts of the island on a few days, particularly during the late mornings and afternoons.
As such, the total rainfall for the period is forecast to be below average over most parts of the island.
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Southwest Monsoon conditions to persist
Southwest Monsoon conditions, which set in over the surrounding region in early June, are prevailing over Singapore and the region and are set to persist.
This means that winds over Singapore will blow mainly from the southeast or southwest.
The Southwest Monsoon is set to continue till September, MSS previously said.
Haze possible due to dry conditions & regional hotspots
MSS also warned about the possibility of hazy conditions should the fires in the surrounding region intensify.
These hotspots and the regional haze situation have escalated due to the prevailing dry conditions, with dense smoke haze observed over southern and central Sumatra, as well as various parts of Kalimantan, on most days since 21 Aug or thereabouts.
The prevailing southeasterly or southwesterly winds may then bring the haze to Singapore.
Source: Tin Kerne via CloudSpotting & SkySpotting Singapore on Facebook
The National Environment Agency (NEA), which continues to closely monitor the situation, will provide updates if it changes.
Daily haze advisories will be issued if the 24-hour Pollutant Standards Index (PSI) enters the “unhealthy” range.
Warm and humid nights possible with above-27°C temperatures
As for the temperature, most days will record a daily maximum of between 33°C and 35°C.
On a few days, it could “slightly exceed” 35°C.
Warm and humid nocturnal conditions will also be possible, meaning temperatures will stay above 27°C on most nights.
Fair & dry weather on most days in 2nd half of Aug
Dry conditions prevailed over the second fortnight of August, with Singapore experiencing “fair” weather on most days.
Localised, short-duration thundery showers fell over parts of the island only on some days.
During this period, “well-below-average rainfall” was recorded across Singapore.
The area around Admiralty was the driest, with 99% below-average rainfall.
Source: Meteorological Service Singapore
On 30 Aug, moderate to heavy thundery showers fell over the eastern, southern, and central parts of Singapore in the early morning, caused by regional wind convergence.
That day, 53.8mm of rainfall was registered around Telok Blangah — the highest daily total rainfall for the fortnight.
Above-34°C temperatures on most days
Accordingly, the last two weeks of August were “warm”, with daily maximum temperatures above 34°C on most days, MSS said.
The highest daily maximum temperature of 35.5°C was recorded in Seletar on 25 Aug.
MSS also noted several warm nights when minimum temperatures remained above 27°C.
Also read: NEA observes ‘escalation’ in hotspots near S’pore as air quality nears unhealthy range on 24 Aug
NEA observes ‘escalation’ in hotspots near S’pore as air quality nears unhealthy range on 24 Aug
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