Why Warm Nighttime Temperatures Can Be Dangerous
After a sweltering summer afternoon in washington. Dc a cool evening can provide a much needed break from the heat but during heatwaves not only does it get hot during the day but it stays hot at night so people don't get a break from it. The heat builds up in the humidity bills up day after day. Steve walls recently retired from his position. As director of environmental programs at the metropolitan washington council of governments. He says prolonged exposure. To extreme heat is not only uncomfortable it can be deadly especially for the elderly and people with heart or lung problems. Some people stay safe by closing the windows and running the a. c. but many low income people do not have air conditioning at home. They don't get a break from the high heat at night and so it builds the stress in it increases the health risk to the population. He says low income neighborhoods also tend to be hotter because they often have fewer trees and more stretches of concrete and black asphalt which absorbed heat so as the climate warms.