{"ok":true,"trend":{"id":228939,"platform":"mastodon","region":"global","key":"concern mounts over slow-moving, planetary-scale ‘kelvin’ wave heading for california https://www. theguardian.com/us-ne","title":"Concern mounts over slow-moving, planetary-scale ‘kelvin’ wave heading for California https://www. theguardian.com/us-ne","url":"https://halo.nu/@theguardian_us_news/117348358215649335","first_seen":"2026-09-28T11:47:41.868155Z","last_seen":"2026-09-28T13:09:42.014293Z","last_rank":6,"peak_rank":6,"last_volume":3,"peak_volume":3,"seen_count":2,"score":64.77,"category_hint":"environment","section":"environment","category":"environment","summary":"A slow-moving, planetary-scale kelvin wave of warm ocean water is heading toward the US West Coast, raising concern in California. Such waves along the equatorial Pacific are tied to the El Niño-Southern Oscillation and can shift weather patterns, potentially bringing heavier rains, coastal impacts and extreme weather to the region as scientists and residents watch its progress.","why":"Potential links to El Niño-driven extreme weather and coastal impacts on California are drawing attention","tone":"neutral","entities":["California","El Niño-Southern Oscillation","US West Coast","Pacific Ocean"],"summarized_at":"2026-09-28T11:48:13.025706Z","meta":{"tag":"environment","via":"scan","kind":"status","lang":"en","generic":0.07,"instance":"mastodon.social","tag_uses":188},"nw":0.71,"promo":0.02,"kind":"news_event","importance":1.99,"hidden":false,"hide_reason":null,"judged_at":"2026-09-28T11:47:42.263317Z","title_en":"Concern grows over planetary-scale kelvin wave heading for California","section_name":"Environment","category_name":"Environment","timeline":[{"captured_at":"2026-09-28T11:47:41.868155Z","rank":6,"volume":3},{"captured_at":"2026-09-28T13:09:42.014293Z","rank":6,"volume":3}],"posts":[{"platform":"mastodon","url":"https://halo.nu/@theguardian_us_news/117348358215649335","author":"theguardian_us_news@halo.nu","title":null,"snippet":"Concern mounts over slow-moving, planetary-scale ‘kelvin’ wave heading for California https://www. theguardian.com/us-news/2026/s ep/28/california-kelvin-wave # California # ElNioSouthernOscillation # Oceans # ExtremeWeather # Environment # WestCoast # UsNews","posted_at":"2026-09-28T11:10:44Z","likes":3}],"elsewhere":[],"window":"7d"}}