{ "story_id": "85ce0d320a4b20f8571be4d9eaf94c1c", "desk": "drm3", "revision": 1, "published_at": "2026-09-01T13:00:00.000Z", "content_hash": "3e099afef6b158e31668c62419955e61f3cd7ff7e477f6f13869789e66661cd1", "hash_basis": "sha256 over `headline\\ndek\\nprose`, plus `\\n` + the canonical citations JSON when any source is placed, plus `\\n#blog` for blogs", "basis": { "headline": "Polar air returns to Buenos Aires; Sunday is coldest day of week", "dek": "Buenos Aires experiences a sharp temperature drop with Sunday reaching 3°C as polar air returns.", "prose": "The climatological winter is closing in the Greater Buenos Aires area (AMBA) with marked instability giving way to a new polar air intrusion. [^1]\n\nThe coldest day of the event will be Sunday, September 6, with a real minimum temperature of 3°C in Buenos Aires City and sub-zero temperatures in various sectors of the Greater Buenos Aires area. [^2]\n\nThe National Meteorological Service (SMN) forecast heavy rains for Guadalajara and the state of Jalisco on Monday, August 31, 2026, coinciding with the start of the school year. [^3]\n\nTemperatures exceeded 20°C over the weekend before a radical change in the weather scenario combining rain, intense winds, and a strong thermal drop. [^4]\n\nThe transition to winter climate began on Monday, August 31, the last day of winter from the meteorological point of view. [^5]\n\nStarting at 17:00 hours, the probability of precipitation was forecast to reach 90 percent with winds from the west reaching up to 31 kilometers per hour. [^6]\n\nThe SMN predicted rainfall accumulations between 50 and 75 millimeters, primarily affecting the eastern, central, and western regions of Jalisco. [^7]\n\nThe SMN warned that the storms could cause increased river levels, landslides, puddles, and flooding in vulnerable areas of the city. [^8]\n\nOn September 1, 2026, the Buenos Aires Metropolitan Area (AMBA) will experience a break from rain with partly cloudy skies and temperatures between 10°C and 18°C, with possible morning fog affecting visibility. [^9]\n\nOn September 2, 2026, temperatures will reach a peak of 22°C in the AMBA, and a cold front will bring rain and isolated storms, according to Meteored Argentina. [^10]\n\nOn September 6, 2026, the coldest day of the week, Buenos Aires will see minimum temperatures of 3°C, with possible frosts in the conurbano, and afternoon northeast winds will raise maximums to 12-13°C. [^11]", "cited": "[{\"statement\":\"The climatological winter is closing in the Greater Buenos Aires area (AMBA) with marked instability giving way to a new polar air intrusion.\",\"source\":\"Perfil\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T22:56:05.000Z\",\"publisher_count\":1,\"sources\":[\"Perfil\"]},{\"statement\":\"The coldest day of the event will be Sunday, September 6, with a real minimum temperature of 3°C in Buenos Aires City and sub-zero temperatures in various sectors of the Greater Buenos Aires area.\",\"source\":\"Perfil\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T22:56:05.000Z\",\"publisher_count\":1,\"sources\":[\"Perfil\"]},{\"statement\":\"The National Meteorological Service (SMN) forecast heavy rains for Guadalajara and the state of Jalisco on Monday, August 31, 2026, coinciding with the start of the school year.\",\"source\":\"El 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Informador\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T13:56:00.000Z\",\"publisher_count\":1,\"sources\":[\"El Informador\"]},{\"statement\":\"The SMN predicted rainfall accumulations between 50 and 75 millimeters, primarily affecting the eastern, central, and western regions of Jalisco.\",\"source\":\"El Informador\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T13:56:00.000Z\",\"publisher_count\":1,\"sources\":[\"El Informador\"]},{\"statement\":\"The SMN warned that the storms could cause increased river levels, landslides, puddles, and flooding in vulnerable areas of the city.\",\"source\":\"El Informador\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T13:56:00.000Z\",\"publisher_count\":1,\"sources\":[\"El Informador\"]},{\"statement\":\"On September 1, 2026, the Buenos Aires Metropolitan Area (AMBA) will experience a break from rain with partly cloudy skies and temperatures between 10°C and 18°C, 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"statement": "On September 6, 2026, the coldest day of the week, Buenos Aires will see minimum temperatures of 3°C, with possible frosts in the conurbano, and afternoon northeast winds will raise maximums to 12-13°C.", "source": "Noticias Ambientales", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T13:00:00.000Z", "publisher_count": 1, "sources": [ "Noticias Ambientales" ] } ], "note": "A signature proves who filed this and that it has not changed since. 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