High-pressure atmospheric conditions trap heat over an area, creating a “dome” - Jet Stream
More than 60 million people were under heat advisory warnings early Tuesday, according to the National Weather Service.
Temperatures are expected to creep up into the weekend as the so-called heat dome intensifies
A heat dome occurs when high-pressure atmospheric conditions trap heat over an area, creating a “dome” of stagnant, hot air.
Residents in large metropolitan areas including Chicago, St. Louis, Indianapolis, Detroit, Philadelphia, Boston and New York City were warned to expect extreme heat
The latest heat wave follows record-breaking temperatures in parts of California and the Southwest earlier this month
Wall Street Journal 18 June 2024
Around 270 million people in the US will experience temperatures
at or above 90 degrees = 32 grader C this week as an impressive heat dome parks over the eastern US.
Temperatures soared 15 to 20 degrees above normal Monday afternoon and remained at elevated levels overnight.
A few dozen temperature records fell as a result, including daily record highs in Chicago and Cleveland, and daily record warm low temperatures in places like Des Moines, Iowa.
Temperatures will rise up to 25 degrees above normal through the rest of the workweek.
CNN 18 June 2024
https://edition.cnn.com/2024/06/17/weather/heat-wave-east-us-climate-monday/index.html
A punishing heat dome will only worsen.
What’s a heat dome and how is climate change bringing these extremes?
A heat dome occurs when the atmosphere traps hot ocean air like a lid over a certain area. It is associated with a blocking jetstream.
June 28, 2021
Jet stream pattern and ‘heat domes’ fuel soaring temperatures around globe
https://englundmacro.blogspot.com/2023/07/extreme-heat-weather-conditions.html
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