Environment ❯ Climate Change

Seasonal Weather

Winter Weather Temperature Trends Temperature Variations Rainy Season Autumn Winter Conditions Spring Weather Meteorological Phenomena Arctic Air Mass Heat Events Storms Cold Weather Events Temperature Variability Autumn Weather Cold Seasons Natural Landscapes Tropical Climates Transition Seasons Winter Spring Temperature Effects Summer Weather Mining Practices Winter Effects Monsoon Monsoon Effects Impact on Society Cold Weather Preparation Impact on Energy Use Impact on Lifestyle Impact on Communities Summer Heat

Rare Early Stratospheric Warming Puts Northern U.S. on Watch for December Cold

NOAA attributes early cold to an Alaskan ridge, indicating stratospheric impacts typically lag.