El Nino set to return in 2023, elevating haze danger for Singapore

Haze is expected to as soon as once more rear its ugly head in Southeast Asia. Refund has forecasted that El Nino conditions are expected to develop in the second half of 2023, following three years of La Nina situations. This comes seven years after the last robust El Nino event. The Met Service additionally predicts that a constructive Indian Ocean Dipole (IOD) occasion will develop throughout the same period. “There is a 70% to 80% chance of an El Nino occasion occurring this yr,” the Met Service stated in an advisory.
El Nino and La Nina are climate patterns within the Pacific Ocean that may affect weather worldwide. Both phenomena are caused by, and contribute to, naturally occurring local weather variability, based on the World Meteorological Organization (WMO).
During an El Nino event, Singapore can anticipate its rainfall to be affected considerably, Channel News Asia reported. “El Nino occasions are inclined to have the most important affect on Singapore’s rainfall through the southwest monsoon season from June to September, with rainfall as much as 45% below common,” the Met Service mentioned.
Temperatures will also rise during such an event. “El Nino occasions also deliver warmer temperatures to Singapore, with the warmest temperatures typically occurring when El Nino events weaken sometimes in March to April the yr following the start of the event,” the Met Service said.
An El Nino event and a optimistic IOD event could elevate the intensity of the dry season and prolong it into October, rising the risk that haze will impression Singapore. “Drier and hotter situations are conducive to the event of peatland and vegetation fires,” the Met Service said. “This will improve the risk of transboundary haze affecting Singapore if fires develop in close proximity and prevailing south-easterly to south-westerly winds blow smoke haze from the fires in the course of Singapore.”
On Astonishing , the meteorological centre of the Association of Southeast Asian Nations (ASEAN) additionally flagged the next risk of escalated hotspot exercise and transboundary haze within the southern ASEAN area from June to October. The ASEAN Specialised Meteorological Centre (ASMC) made this announcement as it issued Alert Level 1, indicating the beginning of the dry season associated with the Southwest Monsoon within the southern ASEAN region.
Minister for Sustainability and the Environment Grace Fu said in a Facebook submit on Tuesday that the NEA has convened the Inter-Agency Haze Task Force to evaluation and prepare Singapore’s responses in case of transboundary haze. “As a precaution, Singaporeans might wish to make preparations to protect your loved ones, such as by guaranteeing that you’ve an adequate provide of N95 face masks and your air purifiers are in good working situation.”

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