世界气象组织：拉尼娜现象可能9月起回归

Core Viewpoint - The World Meteorological Organization (WMO) indicates a potential return of the La Niña phenomenon starting from September, which may influence global weather and climate conditions in the coming months, despite many regions still experiencing above-average temperatures [1] Summary by Relevant Sections - La Niña Phenomenon: The La Niña phenomenon, characterized by a significant cooling of sea surface temperatures in the eastern and central equatorial Pacific, may re-emerge from September 2023 [1] - Current Conditions: Since March 2025, neutral conditions (neither El Niño nor La Niña) have persisted, with a low probability of El Niño occurring between September and December [1] - Temperature Expectations: Despite the potential return of La Niña, temperatures in many areas of the Northern Hemisphere and a large part of the Southern Hemisphere are expected to remain above average from September to November [1]