Weather ❯ Atmospheric Conditions

Low Pressure Systems

Weather Patterns Weather Fronts High Pressure Systems Humidity Tropical Waves Storms Movement Jet Stream Cold Fronts Upper-Level Lows Air Masses Weather Forecasting Rainfall Weather Instability Precipitation Types Coastal Weather Pacific Northwest Thermodynamics Troughs Cyclonic Activity Influence on Weather Pressure Areas Moisture Advection Cloud Cover Upper-Level Low Pressure Instability Rain and Snow Thunderstorm Formation Convergence Zones

Imelda Turns Away From U.S. as Humberto Looms Near Bermuda, Driving Dangerous Surf

Forecasters say a Fujiwhara interaction with Humberto is steering Imelda east and reducing the risk of a U.S. landfall.