The current heat wave in Usulután is characterized by high temperatures and high humidity, with an average relative humidity of 74%.
The heat wave is expected to continue, with a Cooling Degree Day (CDD) value of 11.5 GG, indicating a high energy demand for cooling.
The wind speed is relatively low, at 0.6 km/h, which can exacerbate the heat island effect in urban areas, making the situation even more critical.