Heat warnings are in effect on Friday for residents in Boston, New York, Philadelphia, Washington, D.C., Richmond, Raleigh, Birmingham, Tallahassee, New Orleans, Memphis, Dallas and Jackson.

High temperature warnings were issued for northeastern Texas, southern Arkansas, northern and southeastern Louisiana and western Mississippi, where heat indexes could reach up to 46 degrees Celsius.

Warnings are also in effect for eastern North Carolina, eastern Virginia and southern Maryland, which would be under the threat of temperatures hovering around 44 degrees Celsius.

The heat would begin to subside over the weekend, the weather services reported.

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