As a result, average maximum temperatures keep rising almost every year as a direct result of Global Warming.
.
A heat wave is a prolonged period of excessively hot weather, which can mean different conditions depending on the region, as it is compared to average temperatures.
During heat waves in urban areas, ground level ozone pollution can be 20% higher than usual.
Symptoms may include , , and , , , , and.
What Causes A Heat Wave? This warm air that would have dissipated through convection under normal circumstances now has nowhere to go as the sun warms up the earth and the air above it.