Seasonal Changes La Niña High Pressure Systems Monsoon El Niño Cold Fronts Seasonal Weather Low Pressure Systems Temperature Trends Polar Vortex Monsoon Season Seasonal Trends Rainfall Monsoon Patterns Heat Waves Tropical Cyclones Heatwaves Jet Stream Regional Weather La Nina Anticyclones El Nino ENSO Air Masses Weather Systems Low-Pressure Systems Arctic Air Atmospheric Conditions Extreme Weather Events Monsoon Effects Winter Weather Fronts Monsoon Trends Atlantic Ocean Monsoons High Pressure Tropical Waves Temperature Changes Hurricane Season Temperature Variations Precipitation Heat Domes Dry Weather Cold Weather High-Pressure Systems Heat Events Weather Stability Cold Weather Events Ocean Temperatures Rain Events Long-term Forecasts Dry Conditions Tropical Weather Seasonal Weather Changes Atlantic Storms Tropical Moisture Pressure Systems Mediterranean Climate Wind Patterns Tropical Systems El Niño and La Niña Extreme Weather Rainfall Patterns Weather Events Tropical Climate Monsoon Withdrawal Unsettled Weather Polar Jet Stream Frontal Systems Autumn Weather Seasonal Rainfall Gulf of Mexico Drought Conditions Tropical Storms Temperature Extremes Regional Climate Atmospheric Rivers Rainfall Trends Monsoon Moisture Long-range Forecasts Historical Weather Data Tropical Weather Systems Weather Trends Marine Heatwaves Precipitation Forecasts Cyclone Season Atlantic Hurricanes Seasonal Variability Upper-Level Ridge Atlantic Ocean Weather Rainfall Outlook Cyclonic Activity Hurricane Activity Upper Level Lows Low-Pressure Areas Eastern Pacific Oscillation NAO (North Atlantic Oscillation) Jetstream El Niño Southern Oscillation Subtropical Ridge
Forecasters expect a variable La Niña winter, urging preparedness.