US EditionCorn sweat will intensify a heat wave this week
U.S. MIDWEST, JUL 21 – Corn crops release about 44 billion gallons of water daily, increasing humidity and heat index during the Midwest's peak growing season, worsening heat wave conditions, 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.
30 Articles
30 Articles
'Corn sweats' leads to increased humidity
SIOUX FALLS, S.D. (KELO) -- It's that time of year again when the dew points climb to uncomfortable heights. Meteorologist Adam Rutt explains. It's a yearly tradition of sorts in KELOLAND…one that isn't all that enjoyable, but one that comes along all the same: Corn sweats are back once again. 20-year-old Robert Arnold running for SD governor Summer in KELOLAND can get hot and humid enough in its own right, but the corn that spreads across…
WNTZ FOX 48
KTSMHow ‘corn sweat’ can make a hot summer day even worse
(NEXSTAR) — Forget the dog days of summer — it's corn sweat season. Through the end of July, the National Weather Service has warned that a large stretch of the country — from Louisiana to Minnesota and eastward — is expected to experience "dangerous, prolonged heat" coupled with humid weather. For those in the Midwest and across the Corn Belt, the high humidity can be attributed in part to the plethora of corn (and other crops) growing in the r…
How 'corn sweat' can make a hot summer day even worse
(NEXSTAR) — Forget the dog days of summer — it's corn sweat season. Through the end of July, the National Weather Service has warned that a large stretch of the country — from Louisiana to Minnesota and eastward — is expected to experience "dangerous, prolonged heat" coupled with humid weather. For those in the Midwest and across the Corn Belt, the high humidity can be attributed in part to the plethora of corn (and other crops) growing in the r…
It’s hot and humid in Minnesota. Is ‘corn sweat’ to blame? - Albert Lea Tribune
By Anna Sago, Star Tribune, (TNS) The Twin Cities and much of southern Minnesota are experiencing sweltering temperatures and sticky humidity this week. A large swath of Minnesota is under a heat advisory until 8 p.m. Tuesday. Could “corn sweat” be partially to blame? Corn sweat refers to evapotranspiration — the process by which corn absorbs water from the ground and releases it into the air. That added condensation is likely one factor contrib…
The science behind the heat dome — ‘a mosh pit’ of molecules
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 humidity will make that weather even more perilous — while the thermometer may read 100, i…
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