US EditionCorn sweat will intensify a heat wave this week
MIDWEST, UNITED STATES, JUL 21 – Corn transpiration adds billions of gallons of water vapor daily, raising dew points by up to 5 degrees and intensifying heat index values across the Midwest, experts say.
- Pushing heat indices to dangerous levels, eastern U.S. will face extreme heat and humidity this week, intensified in the Midwest by 'corn sweat' phenomena.
- Amid peak growing season, corn fields release vast moisture into the atmosphere, while an acre of corn 'sweats 3,000 to 4,000 gallons of water daily'—U.S. Geological Survey.
- Weather.com meteorologist Jonathan Erdman predicts Illinois will see a heat index of 115 degrees by Thursday, July 24, attributions.
- High humidity and heat hinder the body’s cooling via perspiration, increasing heat illness risk while experts caution hydration and avoiding strenuous outdoor activity during midday.
- An analysis by the nonprofit Climate Central found human-caused climate change made this event at least three times more likely for nearly 160 million people, and weather models indicate humid heat will persist over the eastern U.S. for the next week or two.
42 Articles
42 Articles
The science behind the heat dome — ‘a mosh pit’ of molecules
This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. From Texas clear to Georgia, from the Gulf Coast on up to the Canadian border, a mass of dangerous heat has started spreading like an atmospheric plague. In the days and perhaps even weeks ahead, a high-pressure system, known as a heat dome, will drive temperatures over 100 degrees Fahrenheit in some places, impacting some 160 million Americans. Extra-high …
Is the reason the Midwest is so humid in the summer really due to "corn sweat"?
From the "Polar Vortex" to the "Bomb Cyclone", these meteorological buzzwords are picked up by the news media and spread around. Now its the latest, and you have probably seen headlines using the phrase "corn sweat" in recent weeks. It sounds silly at first, how can corn sweat? And how does it contribute to our humidity?So, let's break it down. What is corn sweat, how does it factor into our humidity, and is it overhyped?Humidity is the amount o…
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