More than 100 million Americans are facing one of the most dangerous stretches of summer weather ever — and for many, the biggest threat won’t be the afternoon heat. There will be lack of relief after sunset.
according to ABC NewsA massive heat dome is spreading from the West across the Plains, Midwest and Northeast this week, with temperatures climbing above 110°F in some places and heat indices approaching or exceeding 100°F in dozens of major cities. Forecasters say more than 90 local temperature records could be tied or broken before the week is out.
Why is this heat wave different?
ABC News reports that cities including Salt Lake City (109°F), Billings, Montana (111°F), and Miles City, Montana (115°F) have already broken all-time temperature records over the weekend. Meanwhile, extreme heat warnings extend from Utah to parts of the Upper Midwest, while heat advisories extend into the Northeast as New York City, Philadelphia, Boston and Washington, DC, brace for multiple days above 90°F.
Meteorologists say the unusually persistent heat wave is trapping hot air over most parts of the country, causing temperatures and humidity to rise by the day. The Associated Press The report said dangerous nighttime temperatures could be the most worrying part of the forecast as human bodies have little opportunity to recover from the heat of the day.
This week’s biggest fitness mistake
For anyone planning an outdoor workout, this is the week to reconsider the schedule.
Summer illness doesn’t start in the fall. according to National Weather ServiceWarning signs include heavy sweating, muscle cramps, dizziness, headache, nausea, weakness, and confusion. Exercising when the temperature—or heat index—is highest dramatically increases the risk of heat exhaustion and heat stroke.
Instead, train at sunrise, do workouts indoors, drink water before you feel thirsty, and take frequent cooling breaks. Even fit, healthy adults can overheat when moisture prevents sweat from evaporating efficiently.
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