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September was warmest, driest on record in Singapore: Met Service

SINGAPORE — Last month was the warmest and driest September in Singapore on record at the climate station in Changi, the Meteorological Service Singapore (MSS) said on Tuesday (Oct 1).

The monthly mean temperature last month was 29°C, 0.2 degrees warmer than the previous record set in September 1997.

The monthly mean temperature last month was 29°C, 0.2 degrees warmer than the previous record set in September 1997.

SINGAPORE — Last month was the warmest and driest September in Singapore on record at the climate station in Changi, the Meteorological Service Singapore (MSS) said on Tuesday (Oct 1).

The monthly mean temperature last month was 29°C, 0.2 degrees warmer than the previous record set in September 1997.

There were also new records set for the maximum and minimum mean daily temperatures for the month.

The mean daily maximum temperature of 33°C far exceeded the previous record of 32.2°C hit in September 1997, said MSS.

The mean daily minimum temperature, at 26.6°C, was 0.1 degrees higher than the previous record in September 2015.

The monthly total rainfall last month was 22.8mm, breaking the previous September record low of 23.7mm in September 1994.

Temperature records here began in 1929 while rainfall records began in 1869.

September 2019 was also the third consecutive month with more than 40 per cent below-normal monthly rainfall, giving rise to a "rainfall deficit situation", said MSS.

A rainfall deficit situation refers to a period of at least three consecutive months with monthly rainfall more than 40 per cent below the climatological norm, averaged over the rainfall stations with long-term records across the island, according to MSS.

The last occurrence of a rainfall deficit situation in Singapore was in 2014 from January to March.

EXPECT SHORT THUNDERSTORMS

However, the dry spell is coming to an end, with short thunderstorms expected over the next two weeks.

Thunderstorms can be expected in the late morning extending into the afternoon on a few days, said MSS.

Rainfall for the first fortnight of October is expected to be slightly above normal over most parts of Singapore.

Showers are also forecast for the southern South-east Asia region in the coming fortnight.

This is expected to further improve the haze situation in the region, said MSS, adding that the likelihood of transboundary haze affecting Singapore is low.

"However, Singapore could experience slightly hazy conditions on a few days, particularly in the early morning, due to an accumulation of particulate matter in the atmosphere under light wind conditions," said the Met Service.

The next two weeks are also forecast to be warm, with the daily maximum temperature exceeding 35°C on a few days.

On most days, the temperature is forecast to range between 25°C and 34°C.

The night-time temperatures in the southern and eastern coastal areas of the island are expected to be warmer with daily minimum temperatures of 27°C or more on some days.

The weatherman also noted the first reported landspout in Singapore last month, when an intense thunderstorm generated a rotating column of winds over Gul Way on Sept 27.

The landspout lasted for several minutes and ripped off parts of a building's roof.

Singapore also experienced hazy conditions between Sept 9 and 23 due to smoke haze from land and vegetation fires in Sumatra blown in by the prevailing winds, added MSS.

The highest 24-hour PSI reading of 154 was recorded in southern Singapore between 2am and 4am on Sept 19. CNA

For more stories like this, visit www.cna.asia

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