Record-breaking temperatures are forecast as a heatwave sweeps across the US

Tens of millions of Americans are living under excessive heat alerts and advisories as forecasters warn of “dangerously hot conditions” over the next 24 hours.

“Multiple record highs are forecast to be set and/or broken in the Northeast today,” the National Weather Service said in a Notice Sunday of the heat wave, which is expected to last until Tuesday. Taking into account the humidity, the Bulletin said the mercury could hit 105 to 110 degrees Fahrenheit.

An excessive heat warning has been issued for large parts of Pennsylvania, Delaware and New Jersey, the bulletin said.

“The extreme heat and humidity will greatly increase the potential for heat-related illness, particularly for those who work or participate in outdoor activities,” according to the National Weather Service.

From the Southern Plains to the Northeast, the heat will feel “extremely oppressive,” particularly in Washington, DC, New York City and Boston, the NWS said in a separate report tweet. In Boston, forecasters predicted a high of 99 degrees that would break the daily record.

There has already been one heat-related death in New York. The city’s chief medical examiner said hypertensive cardiovascular disease and pulmonary emphysema were listed as the contributing conditions. Further details about the victim were not immediately made available.

A woman wipes sweat from her face
Nicole Brown wipes sweat from her face during a heatwave near the National Mall in Washington, DC on Friday.Nathan Howard/AP

In a later bulletin, the NWS said 85 million Americans suffered from excessive heat warnings and alerts on Sunday. In the USA, Heat kills more people annually as any other type of weather event.

“Stifling heat is also being felt from central Kansas and Oklahoma to the middle Mississippi Valley, where a large body of heat advisories and some excessive heat warnings are in place,” the NWS said.

Temperatures could soar to 111 degrees in parts of Oklahoma, including Tulsa, and thermometers could hit the hundreds in Las Vegas and several Texas cities.

Southern and western states are particularly hard hit by lightning droughts. According to that US Drought MonitorCurrently, more than 63.2% of the country is “abnormally dry”, affecting livestock and agricultural produce.

A woman fills an ice chest
Brenda Puritt fills an ice cream chest outside her family’s home during a heat wave Thursday in Houston. Brandon Bell/Getty Images

Farther north and west, “record daily temperatures” from northern California to the Portland and Seattle metro areas are possible through next Tuesday, and a “prolonged heat wave” will begin Sunday and peak in the second half of the week, the NWS said.

The latest weather warning comes after several heat emergencies were declared earlier this week, including in Philadelphia, where air-conditioned refrigerated buses have been parked and public libraries are opening longer hours to allow residents to cool off from the heat. Boston and Washington enacted similar plans.

“Climate change is fueling these insidious heat waves that are hard to believe, and we haven’t gotten used to it yet,” Kim Knowlton, clinical assistant professor of environmental health sciences at Columbia University, told NBC News earlier this week.

Alex Ruane, a researcher at NASA’s Goddard Institute for Space Studies, told Reuters that as the world warms “it takes less of a natural anomaly to push us into the extreme heat categories.”


“Because we’re closer to those thresholds, you’re more likely to get more than one heatwave at a time. We see that in the United States,” she said.

Conditions will remain largely the same through Monday night, when a cold front is expected to bring some relief to the Northeast and Midwest, forecasters said.

But they added that “unusually hot temperatures” will continue for the duration of the week – and possibly into the southern plains early next week. Record-breaking temperatures are forecast as a heatwave sweeps across the US

Fry Electronics Team

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