Heat wave presents record figures this week in the western United States

The West Coast of the United States is on track to experience the hottest temperatures of the year, which could linger dangerously through Labor Day as a mega heat wave builds up soon.

Heat advisories have been issued to more than 55 million people from Southern California through of the San Joaquin Valley and parts of the Northwest, including 20 of the most populous cities on the West Coast.

“Temperatures could exceed 115F in parts of the Southwest, where a excessive heat warning”, indicated the Meteorological Prediction Center.

“Some records may be broken, but record high temperatures are very high at this time of year,” said the NWS office in Los Angeles. “Whether records are broken or not, this heat wave is going to be very dangerous.”

Thanks to our partners at @ReadyLACounty for getting the Heat Risk graphics out.

To find out more about Heat Risk, check out the website:https://t.co/5YfBnhG3CY

This will be a prolonged heat event for the entire area. Be prepared. #CAwx #LAHeat https://t.co/kOKwD7u5gU

— NWS Los Angeles (@NWSLosAngeles) August 15,

The heat that will be felt from San Diego to Los Angeles, even in Phoenix, will be difficult to bear even for local residents.

“This heat can break records and will produce a very high risk of heat illness,” said NWS Los Angeles. “Triple-digit heat is expected for many valley and mountain locations. Even warmer conditions are expected over Labor Day weekend into early next week.”

The heat is expected to begin Tuesday, with gradual warming each day through the week. . The maximum point could be reached on the weekend.

Extreme conditions must be to what meteorologists call a “heat dome,” which occurs in a stubborn area of high pressure that sits over the region.

The intense heat dome causes high pressure to act like a lid on the atmosphere. When hot air tries to escape, the lid pushes it down, heating up as it sinks. As a consequence, an intense summer heat would be produced about 10 or 15 degrees above normal.

“Excessive heat advisories are in effect for almost entire forecast area beginning Wednesday and continuing through next Monday,” the NWS Los Angeles office said.

The forecast shows temperatures of 110 to 115 degrees in the deserts and the San Fernando Valley, presenting temperatures between 90 and 100 along the coast, paving the way for potential records in that area.

Meanwhile, Phoenix could experience wetter conditions on Thursday and Friday due to “dry heat.” This would make the temperature drop slightly, but the Phoenix NWS warned that the humidity would actually make it feel hotter.

A few morning clouds are expected in Southern California on Friday, which would give a brief respite from the heat, but will have a short presence. However, renewed warming is expected on Sunday that would cause “oven-like” heat to be produced, according to NWS Los Angeles.

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Downtown Los Angeles could reach the 90 degrees on Sunday while Death Valley would reach 125.

With information from CNN

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