Central Texas experienced fatal flash floods in the early morning hours due to a slow-moving storm fueled by incredible amounts of moisture in the air. Meteorologists explained that the combination of high moisture levels, the storm's slow movement, and the timing of the rainfall created conditions that caught many residents by surprise. The terrain of Central Texas further contributed to the severity of the flooding. Despite forecast models indicating increased chances of rain throughout the week, the extent of catastrophic flooding was not anticipated. Experts described the event as a convergence of multiple factors that resulted in the deadly flash floods.