Shifting Climate Pattern Brings Wet Weather to Brazil
11/03/2025, 5:10 am EST
High wind events Northwest and Northeast today!
11/05/2025, 7:20 am EST
Climate Impact Company U.S. Medium Range Report
Issued: Tuesday November 4, 2025
Highlight: Atmospheric river pattern propels warmth eastward.
Chart of the day: Model skill scores projecting the weather pattern past 30 days for the medium range.
Discussion: During the past 30 days, the ECM ENS and 4Cast Net V2 ECM ENS have finished 1st and 2nd forecasting the weather pattern (500 MB anomalies) for days 6-10. In the 11-15-day period, the top two forecasters are ECM ENS and GFS ENS.
Medium-range 6-10 Day Forecast Valid November 9-13, 2025 (24-hour change right)
Discussion: East U.S. cool pattern stretches toward Texas while the West stays warm with warmer changes in California.
Medium-range 11-15 Day Forecast Valid November 14-18, 2025 (24-hour change right)
Discussion: Pacific “atmospheric river” pattern soaks the West Coast and forces warmer pattern eastward. The East shifts somewhat warmer.
U.S. Medium-range Precipitation Forecast
Discussion: “Atmospheric river” storm track reorganizes off the U.S. West Coast days 6-10 and shifts through the West and onto the Midwest States in the 11-15-day period.
Days 16-20 Extended range Temperature Forecast valid November 19-23, 2025
Discussion: The extended range outlook is stormy across much of the U.S. as the warm bias Central and East holds.