November 2025 - Climate Impact Company

News

11/07/2025, 6:05 am EST

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11/07/2025, 6:05 am EST

Wet Climate Develops Brazil; Argentina Turns Drier

Climate forecasts are maintaining wet Brazil forecasts for early-to-middle summer 2025-26. The operational extended range forecasts agree as ECMWF projects wet conditions in Central to East Brazil compensated for by dry and hot weather in Northeast Argentina/Southeast Brazil.

11/07/2025, 5:36 am EST

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11/07/2025, 5:36 am EST

Colder HDD Forecasts for Later November and December

The latest 6-week U.S. gas population weight HDD forecast maintains the warm spike for Nov. 14-20 followed by a colder trend (by operational model consensus) for the week ending Nov. 27th. The new week 4-6 forecast indicates December turns cold especially across the Northern States including the high energy demand Northeast U.S. The latest ECMWF week 4-6 upper air forecast supports the cold HDD projections as a chilly (snow producing) upper trough originates in the Northeast and elongates westward along the U.S./Canada Border.

11/07/2025, 4:30 am EST

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11/07/2025, 4:30 am EST

Climate Impact Company Winter 2025-26 Outlook Adjusted Colder, Especially East in January

The Climate Impact Company month 1-4 outlook valid DEC-25 through MAR-26 is updated. The forecast is trending colder. The North-central U.S. cold anomalies expand, and the Northeast/Mid-Atlantic are adjusted cooler to near normal. Cold outbreaks cover the suddenly snowbound Northern U.S. in December, a January cold surge into the East U.S., and Western Canada to North-central U.S. cold (possibly reaching Texas) in February.

11/05/2025, 7:25 am EST

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11/05/2025, 7:25 am EST

NOAA To Make Adjustments to AI Eagle Model

During the past 60 days, the NOAA AI Eagle has performed well forecasting the weather pattern (500 MB anomalies) across the northern hemisphere during the 6-10-day/11-15-day medium range forecast.