Thunderstorm Development High Pressure Systems Low Pressure Systems Rainfall Forecast Models Severe Weather Tornado Risk Static Weather Thunderstorm Risks Forecasting Upper Level Disturbances Midweek Storms Sturmtief Low-Pressure Systems Autumn Storms Tracking Systems Impact Weather Weekend Weather Cold Fronts Gusty Winds Central U.S. Weather Disturbances Winter Storm Tracking Impact on Infrastructure Sturmtief Tim Thunderstorm Characteristics Wind Patterns