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Remarkable Heatwave Scorches the Middle East – “Heat Dome” Phenomenon
Science & Technology

Remarkable Heatwave Scorches the Middle East – “Heat Dome” Phenomenon

June 6, 2021

A phenomenon often called a “warmth dome” set the stage for remarkably excessive temperatures as meteorological summer season bought beneath means.

With meteorological summer season simply underway, some elements of the Northern Hemisphere had been already feeling the warmth in early June 2021. Particularly, the early-season warmth has been scorching nations throughout the Middle East.

The map above reveals air temperatures in the area on June 6, 2021. The map was derived from the Goddard Earth Observing System (GEOS) mannequin and depicts air temperatures at 2 meters (about 6.5 ft) above the floor. The darkest crimson areas are the place the mannequin reveals temperatures round 50°C (122°F).

The GEOS mannequin, like all climate and local weather fashions, makes use of mathematical equations that symbolize bodily processes (reminiscent of precipitation and cloud processes) to calculate what the environment will do. Precise measurements of bodily properties, like temperature, moisture, and winds, are routinely folded into the mannequin to maintain the simulation as near noticed actuality as attainable.

Certainly, native floor stations recorded temperatures that climbed above the 50°C mark in a minimum of 4 Middle Japanese nations, together with Iran, Kuwait, Oman, and the United Arab Emirates (UAE). In keeping with information reviews, Sweihan in the UAE hit 51.8°C (125.2°F) on June 6, 2021, which was the nation’s highest temperature on file for the month of June. International locations in Central and South Asia had been additionally reported to have seen terribly excessive temperatures for the time of 12 months.

Meteorologists at  that the heatwave is the results of a “warmth dome.” The phenomenon happens when excessive strain in the mid- to upper-atmosphere acts as a cap, trapping heat air because it rises and pushing it again towards the floor to heat much more. A notable prevalence of the phenomenon brought on temperatures to soar throughout the Middle East in July and August 2015. The heatwave this 12 months comes a few month earlier than the hottest temperatures of the season usually arrive.

NASA Earth Observatory picture by Joshua Stevens, utilizing GEOS-5 information from the International Modeling and Assimilation Workplace at NASA GSFC.

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