'Relentless' heat wave to grip northeastern US into July 4


The unfolding heat wave across the northeastern United States may be especially taxing on residents since there has not been such a stretch of temperatures this high since 2016, and in some cases even longer.

Days of highs in the 90s F with dangerously higher AccuWeather RealFeel® Temperatures are expected to grip many communities in the Northeast through at least July Fourth.

The sweltering conditions will continue at night, especially in the major urban areas where temperatures may not fall below the middle or upper 70s.

"The vast expanse of concrete, pavement and brick will give off heat through the night," AccuWeather Senior Meteorologist Alex Sosnowski said.

The added strain of dealing with days of heat and humidity can lead to higher energy costs and an increasingly greater threat of residents suffering heat-related illnesses.

As the heat also encompassed southern Ontario and the St. Lawrence Valley, CBC News reported that more than 50 people were treated for heat-related issues at Canada Day events in Ottawa. 

Philadelphia recorded a heat wave that spanned eight days in 2016, but New York City has not endured consecutive 90-degree highs for a week straight since 2013. 

"It will not only be very hot, but it may also be perceived as relentless for many people in the Northeast as the heat lingers into the first part of July," AccuWeather Long-Range Meteorologist Paul Pastelok said.

"Last summer, the longest stretch of 90-degree days was mostly in the four- to five-day range for areas north of the Mason-Dixon Line," he said.

This heat wave can range from six to eight days in many communities. This includes Burlington, Vermont; New York City and Albany, New York; Hartford, Connecticut; Philadelphia; and Washington, D.C.

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Heat wave rocks northeast ahead of July 4
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Heat wave rocks northeast ahead of July 4
A man cools off in fountain on the Rose Kennedy Greenway during a summer heat wave in Boston, Massachusetts, U.S., July 2, 2018. REUTERS/Brian Snyder
Members of the Iron Workers local 7 work on a new building during a summer heat wave in Boston, Massachusetts, U.S., July 2, 2018. REUTERS/Brian Snyder
A Construction crew works on a new building during a summer heat wave in Boston, Massachusetts, U.S., July 2, 2018. REUTERS/Brian Snyder
People sit in the shade and cool off in a fountain during a summer heat wave in Boston, Massachusetts, U.S., July 2, 2018. REUTERS/Brian Snyder
NEW YORK, July 2, 2018 -- People cool themselves at a fountain at Washington Square Park in New York City, the United States, on July 2, 2018. The highest temperature reached 35 degrees Celsius in New York City on Monday as a result of a prolonged heat wave. (Xinhua/Wang Ying via Getty Images)
NEW YORK, July 2, 2018 -- People cool themselves at a fountain at Washington Square Park in New York City, the United States, on July 2, 2018. The highest temperature reached 35 degrees Celsius in New York City on Monday as a result of a prolonged heat wave. (Xinhua/Wang Ying via Getty Images)
NEW YORK, July 2, 2018 -- Pet dogs cool themselves at a fountain at Washington Square Park in New York City, the United States, on July 2, 2018. The highest temperature reached 35 degrees Celsius in New York City on Monday as a result of a prolonged heat wave. (Xinhua/Wang Ying via Getty Images)
NEW YORK, July 2, 2018 -- A boy cools himself at a fountain at Washington Square Park in New York City, the United States, on July 2, 2018. The highest temperature reached 35 degrees Celsius in New York City on Monday as a result of a prolonged heat wave. (Xinhua/Wang Ying via Getty Images)
WASHINGTON, DC - JULY 1: Pedestrians cross a shimmering Pennsylvania Avenue as temperatures soar into the 90's on July, 01, 2018 in Washington, DC. (Photo by Bill O'Leary/The Washington Post via Getty Images)
NEW YORK, NY - JUNE 29: A woman walks along the beach at Brighton Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: Men play a game of volleyball at Brighton Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: People cool off along the boardwalk at Brighton Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: People cool off along the boardwalk at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: A man walks along the boardwalk at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: People cool off along the boardwalk at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: A man rests in the sand at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: Children play in the surf at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: Children play in the surf at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: Children play in the surf at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: People cool off along the boardwalk at Coney Island on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: A surfer rides a wave at Rockaway Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: People wait in line for food at Rockaway Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: A surf board sits for sale at Rockaway Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JUNE 29: People cool off by the ocean at Rockaway Beach on June 29, 2018 in New York City. Thousands of people are expected to flock to city beaches and pools over the next few days as temperatures are expected to reach the mid 90's in the New York metropolitan area. (Photo by Spencer Platt/Getty Images)
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A heat wave across the northern tier of the U.S. is defined as three consecutive days of highs at or above 90 degrees Fahrenheit. 

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The longevity of the unfolding heat wave can rival the hot spells from 2016 in some communities. In other communities, such a prolonged heat wave has not occurred since the early years of this decade.


Philadelphia recorded a heat wave that spanned eight days in 2016, but New York City has not endured consecutive 90-degree highs for a week straight since 2013. 

Heat is now coming back with a vengeance.

Philadelphia will join some other communities in recording highs near or at the century mark.

"Temperatures have not reached 100 F in Albany since 1953," AccuWeather Meteorologist Tony Zartman said. "They fell just shy of that mark on Sunday and Monday."

Sweltering humidity will create dangerous AccuWeather RealFeel® Temperatures in excess of 100 F throughout the Northeast.

Heat to be trimmed briefly across northern New England and return to eastern New England

A push of cooler air from the north will trim the heat slightly across northern New England on Tuesday.

"The combination of slightly cooler and less humid air will lead to AccuWeather RealFeel® temperatures staying under 100 in places such as Watertown, New York and Burlington, Vermont, on Tuesday," AccuWeather Meteorologist Brett Rathbun said.

Meanwhile, the brief relief from the heat across eastern New England on Monday will return on Tuesday.

Boston officially experienced its first heat wave of the year on Sunday as temperatures soared to 92. 



Both regions will join most of the Northeast in experiencing highs from the upper 80s to the lower 90s for July Fourth. Sea breezes will help to keep the beaches cooler.

Tips to follow to avoid heat exhaustion and stroke

"People of all ages, regardless of their health and physical activity, indoors and out, will need to stay hydrated," Sosnowski said. "Intake of alcoholic beverages should be limited, especially when there is no means to keep cool, such as in air conditioning."

Wear loose and light-colored clothing and avoid strenuous activities during the midday and afternoon hours -- the hottest times of the day. For those whose jobs require physical outdoor labor, be sure to take frequent breaks.

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As the heat extended its grip on the Midwest, three players of the Minnesota Twins baseball team had to leave the game at the Chicago Cubs' Wrigley Field due to heat-related illnesses on Saturday, according to the MLB.

Ensure that the elderly, children, homeless and pets are finding ways to stay cool. Remember never to leave a child or animal in a sealed vehicle without air conditioning even for a short time. Vehicles can become dangerously hot in a matter of minutes.

Residents at Inglemoor Rehabilitation and Care Center in Englewood, New Jersey, were exposed to the sweltering heat on Monday, July 2, when the air conditioning went down, according to NorthJersey.com.

The building was evacuated on Monday afternoon when the HVAC system went out of service, Englewood Fire Chief Erik Enersen said. 

No one was injured or became ill because of the heat, Inglemoor spokeswoman Christine Emrick told NorthJersey.com. About 50 patients were evacuated and taken to other Inglemoor centers. 

"Cooling stations will be warranted as heat builds to dangerous levels in the urban areas of the major cities," Sosnowski said. "Air stagnation and poor air quality are a concern with this heat wave."

There is a risk of brownouts due to higher energy demands. Help conserve electricity by turning off fans and air conditioners when leaving home. 

Spotty afternoon thunderstorms will occur over parts of the Northeast each day into Independence Day.

Most of the thunderstorms on Tuesday and Wednesday should occur during the afternoon and diminish prior to July Fourth fireworks shows.

Cooler and less humid air is scheduled to sweep southeastward from Canada spanning late Thursday to Saturday.

 

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