What Causes a Heatwave?
The Farmers' Almanac is calling for steaming, stormy, and sulphurous weather for numerous regions of the U.S. and Canada this summer. Depending on how you feel about heat, that may or whitethorn not be welcome news.
But what causes a heatwave, anyway? Why can we have a wet, chilly summer one year and a sizzler the next? Or tied between one workweek and the next?
What Causes A Heatwave?
Reported to NOAA, a heatwave is distinct equally a menses of unusually hot weather that typically lasts two or more days. To be considered a heatwave, the temperatures have to be outside the historical averages for a given area.
A heatwave occurs when a system of high air pressure moves into an area and lasts two or more days. In so much a high-force per unit area system, air from upper berth levels of our atmosphere is pulled toward the ground, where it becomes shut and increases in temperature.
This sopranino concentration of pressure makes it difficult for other weather systems to go in the area, which is why a heatwave arse last for several years or weeks. The longer the organisation stays in an area, the hotter the area becomes. The high-pressure inhibits winds, making them light-to-nonexistent. Because the high-altitude-pressure system also prevents clouds from entering the region, sunshine can become punishing, heating up the system even more. The compounding of all of these factors close to create the exceptionally hot temperatures we call a heatwave.
How Heatwaves Can Be Deadly
While the phrase "dangerous weather" may conjure up images of blizzards, hurricanes, or tornadoes, it's important to remember that heatwaves crapper be deadly. During a heatwave, you can buoy protect yourself by staying out of the insolate during the hottest parts of the day, avoiding effortful activities, and keeping yourself hydrated with plenty of fresh irrigate.
And when humidness and dew points are high along with the temperatures, things can get very embarrassed!
Jaime McLeod
Jaime McLeod is a longtime diarist who has written for a bird's-eye variety of newspapers, magazines, and websites, including MTV.com. She enjoys the outdoors, biological process and feeding organic solid food, and is interested all told aspects of natural wellness.
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https://www.farmersalmanac.com/what-causes-a-heat-wave-10912
Source: https://www.farmersalmanac.com/what-causes-a-heat-wave-10912
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