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'Prolonged rainfall' expected from Jan 17 to Jan 19 due to another monsoon surge

riceberry

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'Prolonged rainfall' expected from Jan 17 to Jan 19 due to another monsoon surge​

'Prolonged rainfall' expected from Jan 17 to Jan 19 due to another monsoon surge
A PUB Quick Response Team officer distributing inflatable floodbags to a Jalan Seaview/Mountbatten Road resident in a photo posted on Jan 12, 2025. (Photo: Facebook/PUB)

Rachel Lim
Rachel Lim
16 Jan 2025 11:14AM (Updated: 16 Jan 2025 11:47AM)

SINGAPORE: High tides and heavy rainfall are forecast in Singapore over the weekend with another monsoon surge expected from Friday (Jan 17) to Sunday, national water agency PUB said on Thursday.

A monsoon surge refers to a strengthening of winds over the South China Sea, causing extensive rain clouds to form over the surrounding region.

“With another monsoon surge heading our way this weekend, Singapore may experience prolonged rainfall again,” said PUB in a Facebook post on Thursday.

“High tides of up to 3.2m are also expected over this period, which could result in high water levels in our coastal canals.”

High tides coupled with heavy rainfall during the monsoon surge means that the risk of flooding near the country’s coastal areas could increase, it added

PUB will be monitoring the forecast closely and will issue flood warnings as needed.

“Our Quick Response Teams (QRT) will be on standby to be deployed to flood-risk locations to manage any flooding incidents and support the communities affected, including supporting residents and business owners in flood-prone areas to operate flood defences,” said the national water agency.

“Our advice to the public remains to check on flood risks, sign up for free flood alerts and keep up to date with the latest situation by downloading the myENV app or subscribing to PUB Flood Alerts on Telegram."

Above average rainfall is expected in most parts of Singapore for the rest of January, with "short- duration thundery showers" forecast in the afternoon for most days, said the Meterological Service Singapore on Thursday.

Lower daily minimum temperatures of around 22 degrees Celsius can also expected in the first few days of the second half of January, it added in a press release.

“Subsequently, daily temperatures are forecast to range between 24 degrees Celsius and 34 degrees Celsius on most days.”

Last Friday, one of Singapore's more intense monsoon surges in recent years brought moderate to heavy showers to many parts of the country.

The surge, which began to weaken on Monday, had caused flooding in Jalan Seaview on Friday and led to almost 20 flight diversions over the weekend.

The islandwide average daily total rainfall ranged from 44.4mm to 120.2mm across the four-day stretch, with Friday recording the highest average rainfall at 120.2mm.
 
The Straits Times logo


Non-stop heavy downpours to resume Jan 17 to 19 as a second monsoon surge descends​


The second monsoon surge may again scupper weekend plans, and commuters should avoid flood-prone areas.

The second monsoon surge may again scupper weekend plans, and commuters should avoid flood-prone areas.ST PHOTO: LIM YAOHUI
Shabana Begum
UPDATED JAN 16, 2025, 12:17 PM

SINGAPORE - Another weekend of non-stop, islandwide downpours is expected from Jan 17 to 19 as the year’s second monsoon surge descends over the Republic.

Coming just days after the first episode ended on Jan 13, the second monsoon surge may bring windy and cooler conditions with occasional spells of moderate to heavy thundery showers over Singapore and the vicinity, said the National Environment Agency’s (NEA) Meteorological Service Singapore in its fortnightly weather outlook on Jan 16.

Coastal areas could see more flash flooding during this weekend’s monsoon surge, as tides are expected to be higher in the coming weekend compared with the previous surge.


During periods of seasonal high tides, it is common for low-lying areas along East Coast Park to get flooded even without incessant rain.

ST20250115-202502800604-Lim Yaohui-pixtide/High tide at East Coast Park Area B at 12.01pm on Jan 15, 2025, causing seawater to overflow the banks of a drain.There is a high tide of 3.2m at 11.35am on Jan 15, 2025, according to NEA.Tide levels of 3m and above are considered higher than normal, according to PUB.During high tide periods, water level can get quite high and seawater can overflow to the surrounding areas especially when combined with heavy rainfall.Spring tides are a natural phenomenon that happens when the Sun, Moon and Earth are aligned, resulting in the gravitational pull of the Sun to be added to that of the Moon's.(ST PHOTO: LIM YAOHUI)

High tide seen at East Coast Park Area B at 12.01pm on Jan 15 which caused seawater to overflow the banks of a drain.ST PHOTO: LIM YAOHUI

On Jan 17, the tides are expected to reach up to 3.2m in the afternoon, according to information from the Maritime and Port Authority of Singapore, published on NEA’s website. On Jan 18, the tides could reach 3.1m in the afternoon.

The highest tide during the Jan 10 to 13 monsoon surge was 2.9m.

In a Facebook post on Jan 16, national water agency PUB said high tides coupled with heavy rainfall could result in high water levels in coastal canals.

“PUB will monitor the forecast closely and issue flood warnings as needed,” itadded.

 
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