Hot and humid temperatures expected across the United States due to the thermal dome

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In areas such as the Great Plains and the Midwest, temperatures are expected to be 10 to 15 degrees above average, with heat waves expected to spread to much of the Americas next week, according to the National Weather Service.

The expected heat and high humidity comes shortly after a record-breaking heat wave brought triple-digit temperatures to Oregon, Washington state and British Columbia in late June, causing hundreds of heat-related deaths.

Next week’s temperatures will translate into a thermal dome, a powerful system of high-pressure air that descends from the atmosphere, compresses and heats near the earth, and exacerbates the already hot summer temperatures.

Thermal domes tend to hamper cloud formation, which leads to warm, sunny skies that are not covered by clouds, which can become even more severe as the climate changes.

The researchers found that the June heat wave, also caused by the thermal dome, was estimated to be a one-time event in a millennium that would have been virtually impossible without anthropogenic climate change.

Temperatures and drought conditions also prompted more severe forest fires this year, which started earlier than usual. More than 80 forest fires have recently occurred in more than 12 states, especially in the western part of the country, which has been affected by unprecedented droughts.

The smoke from the western fires is so terrible that it has created hazy skies and unhealthy air quality in New York City, New Jersey and Pennsylvania this week.

According to the World Meteorological Organization, the Earth is already hotter than 1 degree Celsius compared to pre-industrial levels. Last year was the hottest on record, and 2021 is virtually certain to be among the hottest decades on record.

Studies show that more than a third of heat-related deaths worldwide during the warmer months are due to climate change. And the heat kills more people than any other weather disaster in the United States.


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