(Nation World News) — More than 25 million people are on heat alert in more than a dozen US states this Saturday. From the northern plains to the southeast, temperatures will be above 90°F (32°C), with temperature index levels well into the three digits. [en grados Fahrenheit],
The heat wave comes on the heels of another record heat wave over the past week, affecting many of the same areas that were to be hit by a second wave.
From Lincoln, Nebraska to Fargo, North Dakota, temperatures will reach triple digits [en grados Fahrenheit] at the end of the weekend. The heat wave concentrated in the northern plains will be 20 to 25 degrees Fahrenheit higher than normal.
There will be relief from the heat for the Great Lakes and Mid-Atlantic regions, though for the time being, where thousands of people are still without power due to the first storm of the week.
According to PowerOutage.us, more than 320,000 customers lost power in at least a dozen states from Wisconsin to Georgia early Saturday. More than 150,000 customers lost power in North Carolina and Virginia alone.
Temperatures will be 10 to 25 degrees Fahrenheit below normal this Saturday from Chicago to Portland, Maine. But as temperatures drop, they will rise early next week.
Overall, more than 240 million people, about 75% of the lower 48, will see temperatures of 32 °C (90 °F) or higher during the next seven days.
Another big heat wave next week
The heat dome currently located over the northern plains will move east into the midwest and south, setting another record week and reducing the relief from the heat that many of these states will experience in the coming days.
High temperatures are forecast for Saturday at 84°F (28.8°C) in St. Louis. By Tuesday, high temperatures will rise to 100°F (37°C).
Chicago’s high temperatures on Saturday may not even reach 70 °F (21 °C), but by Monday, highs will reach 95 °F (35 °C).
Raleigh, North Carolina, will go from a high of 83°F (28°C) on Sunday to a forecast high of 100°F (37.7°C) on Wednesday.
Heat is the number one cause of weather-related deaths in the United States, and providing guidance on the potential for heat-related illnesses, including heat cramps, exhaustion, stroke and possibly death, helps protect the public in hot conditions. Is. ,
However, sometimes the low temperature at night is as responsible as the high temperature during the day.
“Your body needs to cool down at night and it actually expects it while you sleep,” said Jane Varian, a meteorologist with the National Weather Service’s Las Vegas office. “When we have very hot night temperatures, your body isn’t able to cool down properly, which in itself can cause complications, but it will make you less prepared for the heat of the day.”
The temperature must drop to at least 80°F (26.6°C) for recovery to begin. In fact, if the temperature never drops below 85°F (29°C), a person can lose up to two liters of fluid overnight through perspiration.
In the next five days, dozens of cities could break the record for the hottest minimum temperature in the morning. More records are expected in the Midwest, Southeast and Mid-Atlantic next week.