115 Degrees Fahrenheit

Today, New Orleans will attain 113 levels within the warmth index. Houston will attain 111. Mobile, Ala., and Jackson, Miss., will even surpass 110. And these are just a few of the locations that may expertise harmful warmth this week.

Summer technically simply started, and elements of the U.S. are already seeing the bizarre warmth that specialists warned about and that’s turning into extra widespread because of local weather change. About 45 million individuals — or 14 p.c of the U.S. inhabitants — stay in areas which can be anticipated to achieve harmful temperatures within the coming days.

Today and tomorrow, the warmth will likely be concentrated in Texas, Louisiana and elements of the South. By the top of the week, it’s anticipated to unfold within the South and to the West, as these maps present:

The warmth index measures not simply temperature, however how sizzling it actually feels exterior by bearing in mind humidity as nicely. (Heat index forecasts are usually correct for the subsequent day, however grow to be much less dependable as they venture additional into the longer term.) If you’re in any of those main cities, right here’s what you’ll be able to count on:

• In Houston, the index is forecast to peak at 111 levels this week earlier than falling to 106 by Sunday.

• In New Orleans, the warmth index will hit 111 levels as we speak, climb to 115 by Thursday and stay above 110 for the week.

• Jacksonville, Fla., will peak at 106 levels as we speak on the index and progressively climb till it hits 109 this weekend.

• In Bakersfield, Calif., the warmth index will climb above 100 on Friday.

When the index measures anyplace from 103 to 125 levels Fahrenheit, specialists label it as harmful warmth. Such temperatures carry a better danger for cramps and exhaustion in addition to warmth stroke, significantly after train or lengthy stretches within the solar.

The warmth has already resulted in tragedies. On Saturday, a 14-year-old hiker fell unwell and died at Big Bend National Park in Texas as temperatures reached 119 levels Fahrenheit. His 31-year-old stepfather crashed his automobile and died whereas looking for assist.

The two could not have been the one heat-related deaths in Texas final week, my colleagues Jacey Fortin and Mary Beth Gahan reported. In Dallas, a postal employee collapsed and died whereas on his route throughout an extreme warmth warning. Officials are investigating whether or not the warmth was a trigger.

A warmer regular

This week’s warmth is probably going just the start. Meteorologists predicted a hotter-than-normal summer time this 12 months, significantly within the West, Southwest, South, and Northeast. El Niño, a Pacific climate sample, may ship international temperatures even greater.

Climate change is one purpose for the rising warmth. Summer temperatures have steadily elevated over the previous three many years. A warming local weather will push these temperatures greater, leading to extra and worse warmth waves, wildfires and different excessive climate.

It is simply too late to reverse these traits for the present and subsequent few summers, however you’ll be able to take steps to guard your self. For one, look ahead to harmful warmth in your space and reply accordingly: Stay inside, drink sufficient water and keep away from direct daylight or outside train.

Related: Using The Times’s warmth tracker, you’ll be able to search for the warmth index in your space over the approaching week to assist cut back your personal danger.

For extra

• Concho Valley in West Texas was hotter than Death Valley on the weekend.

• Storms introduced baseball-sized hail and tornadoes to the Midwest and South over the weekend.

• The storms have reached the East Coast. Thousands of flights are canceled or delayed, The Wall Street Journal stories.

• Intensifying rain is creating flood dangers in elements of the U.S. the place drainage methods aren’t constructed to manage.

• Wirecutter has recommendation for protecting your kitchen cool. (One tip: Let the gradual cooker do the work.)

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