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The summer may end, but repressive heat and humidity will suffocate a lot from the eastern United States this week. By Sunday, August 17, 38 million Americans will face a “great” threat of heat stress, with 7 million others in “severe” danger, according to national weather service.

Expectations call for the spread of the highest abnormal cases of temperatures from the central plains to the Middle West this week, with temperatures in the mid -1990s and 100 seconds Fahrenheit (from mid to 30 years), and NWS Reports. The combination of this bread heat and high humidity will result in dangerous temperatures in moisture-which leads to cooling the body’s ability to cool itself to the maximum. As such, the agency Release Heat consulting in parts of 15 states from Nebraska to Florida on Friday 15 August. Some of these consultations will remain in place until Monday.

On Sunday, the predictors Predispay A severe threat to the heat stress of most of the northern state of Illinois. Severe risks may also affect parts of the center of Iowa and Missouri-as well as areas along the Illinois borders with these two countries-northwest of Tennessee and parts of the west of the center of Florida. By Monday, severe risks can spread in parts of the center of Tennessee, West Kentucky, and southwest of Indiana.

“Drink a lot of fluids, stay in an air -conditioned room, stay outside the sun, and check relatives and neighbors”, NWS Advice.

The wet hybrid temperature is a measure of thermal stress, which explains the common effect of high temperatures and moisture on the human body. Humans reduce body temperature by sweating, and when sweat evaporates, the surface of the skin cools. Moisture slows down this process, which increases the risk of developing heat. High temperatures of wet are more dangerous for heat -sensitive groups, including children and older adults and people with chronic health conditions, outdoor workers or athletes.

To obtain a more comprehensive anesthetic scale, meteorologists look at Wet globe temperature. WBGT takes a wet temperature into account with air temperature, wind speed, cloud cover and sunscreen to provide a scale of heat stress in direct sunlight.

For Saturday and Sunday, NWS Expected WBGT values in the afternoon in the upper 1980s and Fahrenheit low nineties (low 30s C) across most of the Middle West and Southeast. WBGT values can stimulate 90 degrees Fahrenheit (32 ° C) thermal stress in only 15 minutes when working or exercising in direct sunlight, according to what he said. Nws.

This is not the first time that the eastern United States has suffered from wet repressive temperatures this summer. At the end of July, the Heet NWS dome was prompted to issue warnings for about 170 million Americans WBGT values rose in high 1980s and Fahrenheit low nineties (Low 30s C). It will not be the last time. Global warming increases the intensity and duration of severe moist polypab, making WBGT an important measure of understanding the ability to survive in the changing climate.