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Wichita, Kan., experiences bizarre 'heat burst'

Temperatures suddenly rocketed up in Wichita, Kan., in the early hours of June 9. What caused it?

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At 12:22am on June 9 temperatures in Wichita, Kan., rocketed from 85 degrees Fahrenheit to 102 F in the space of twenty minutes. What caused this heat burst?

Rafael Ben-Ari/Chameleons Eye/Newscom/File

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The weather is supposed to cool down at night, providing some relief during this blistering heat wave. Not so for the residents of Wichita, Kan.

At 12:22 a.m. CDT yesterday (June 9), the temperature was 85 degrees Fahrenheit (29 degrees Celsius) at a local airport as a thunderstorm hit the area. Twenty minutes later, the temperature rocketed to 102 degrees F (39 degrees C), reported the local NBC affiliate.

The weird weather is what's known as a "heat burst" and it was accompanied by wind gusts of up to 60 mph (97 kph). The heat burst was short-lived, however, as the winds and temperatures rapidly spread across surrounding areas.

Heat bursts are created when rain hits very dry air high off the ground, around 3,000 feet (900 meters) up in the atmosphere, causing the rain to evaporate. The evaporated rain rapidly cools the dry air, compressing it and making this patch of air heavier than the air around it. The heavy air mass then falls toward the ground, heating as it compresses, eventually hitting the ground as a hot ball of air.

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