News
Warming Indian Ocean fuels intensifying humid heat waves in South Asia
Warming coastal waters emerge as primary driver of large-scale humid heat waves
Rising sea surface temperatures in coastal waters are driving 50 to 64 percent of the increase in large-scale humid heat waves, according to new research. The study, from researchers at the Potsdam Institute for Climate Impact Research (PIK), Princeton University and Sun Yat-sen University, implies that coastal sea surface temperatures could be a potential early warning indicator for widespread humid heat extremes. The paper is published in the journal Nature Geoscience.
Humid heat waves have intensified rapidly in recent decades and are projected to worsen, raising the risk of heat-related mortality. Previous research has indicated that even healthy people can succumb to wet bulb temperatures—a measure combining heat and humidity—above 31.5°C, when the body is no longer able to cool itself by sweating. However, the widespread occurrence of humid heat waves across large regions, like the 2023 heat wave in Asia, has so far remained poorly understood.
“We see a strong link between warming coastal waters and clustered hot, humid extreme events, especially in the tropics, where oceans supply more moisture to the atmosphere, which is then transported to land, amplifying the heat,” says lead author and PIK scientist Fenying Cai. “In regions further from the equator, combined land-ocean warming, linked to large-scale atmospheric wave patterns, also plays an important role.”
Analyzing climate data from 1982 to 2023 using a complex network approach, the international research team uncovered strong land-ocean linkages. For example, warming Indian Ocean waters are closely tied to rising humid heat risks in South Asia and the Middle East, while tropical North Atlantic Ocean warming intensifies risks in northern South America. The study also shows that these ocean influences are stronger for large-scale events than for isolated local heat waves.
“Better understanding these land-ocean interactions can help to improve climate adaptation strategies. Crucially, coastal sea surface temperatures emerge as a potential early warning indicator for widespread humid heat extremes,” says co-author and PIK scientist Jürgen Kurths.
News
Whistleblowers ask Treasury Chief to resign over theft of USD 2.5 mn
Payment made to new account number outside agreement
Civil society group ‘Free Lawyers’, which exposed the payment of USD 2.5 mn loan instalment by the Treasury to a third party instead of Australia, yesterday (23) said that in spite of the Treasury having the legitimate bank account mentioned in the relevant agreement, the payment had been made to another account subsequently received from a person who had been in contact with some senior officials.
Civil society activist Keerthi Tennakoon on behalf of ‘Free Lawyers’ emphasised that the account number mentioned in the agreement couldn’t be changed without approval of the Secretary to the Treasury Harshana Suriyapperuma, who is also the Secretary to the Finance Ministry. Suriyapperuma, who quit his National List seat to receive the top appointment, should be held responsible for the unprecedented development, Tennakoon said.
If the Treasury had followed the time-tested procedures in place, a new bank account couldn’t have been introduced, and therefore a thorough investigation was required to reveal the truth.According to Free Lawyers, the scam had been detected by relatively junior officer and not those higher ups.
Free Lawyers’ would continue to follow the developments to ensure transparency in the investigations, Tennakoon said, noting that Suriyapperuma should step down as he was aware of a third party securing root access to the system in September 2025 but failed to take action to prevent the scam. Tennakoon said that the NPPer hadn’t informed relevant authorities, and altogether 16 officials were involved in the scam.
By Shamindra Ferdinando
News
Hambantora port sets new record
Hambantota International Port (HIP) successfully handled container vessel MSC Marie Leslie, marking one of its highest-volume vessel calls to date. The achievement further strengthens the port’s position as an emerging hub for containerised cargo in the region, according to HIP press release.
The vessel, operated by Mediterranean Shipping Company (MSC), was berthed at HIP from 11 to 15 April 2026. The port achieved 7,968 container moves during this period, translating to a total volume of 13,260 TEUs; the highest single-vessel throughput recorded by HIP to date.
This latest milestone surpasses previous records, including 12,957 TEUs handled on MSC Ilenia and 11,369 TEUs on MSC Ruby in March this year, reflecting a steady upward trend in the port’s container handling performance.
News
US sinking of Iranian frigate off Sri Lanka unprecedented war crime Araghchi tells Vijitha
Iranian Foreign Minister Abbas Araghchi has told his Sri Lankan counterpart Vijitha Herath that US sinking of Iranian frigate IRIS Dena off Sri Lankan waters was an unprecedented war crime.
Of some 180 crew only 30 odd personnel survived.
While referring to crimes committed by the United States and Israel against Iran, Araghchi has stressed that they would never forget this crime, which constitutes a grave violation of the fundamental rules of international humanitarian law and the 1949 Geneva Conventions, and would employ all legal and political means to hold the perpetrators and those responsible accountable and bring them to justice.
Araghchi has said so during a telephone conversation with Herath regarding the ongoing West Asia conflict and related developments.
During the phone call, Araghchi expressed appreciation for the Sri Lankan government’s efforts in the rescue operation for the sailors of the IRIS Dena and for assisting in the transfer of the bodies of the crew of the vessel and other Iranian naval personnel back to Iran, according to the Iranian Embassy in Sri Lanka.
US sank Dena as it along with two other Iranian vessels awaited Sri Lanka approval to enter the Colombo port. Iranian ambassador in Colombo Dr. Alireza Delkhosh is on record as having said that the Commander of Sri Lanka Navy invited the Iranian ships to visit Colombo following their participation in International Fleet review and Milan 2026 held in India in late Feb. All Iranian vessels had been unarmed at that time in keeping with protocols regarding the participation in such events.
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