heat dome
noun
plural heat domes
: a large weather pattern characterized by high atmospheric pressure that collects and holds an unusual amount of heat over a particular area
Examples of heat dome in a Sentence
Recent Examples on the Web
Then the metro turns dangerously hot with a heat dome that could kick off the first heat wave of summer, according to the National Weather Service.
—
Kansas City Star,
27 June 2026
Huge parts Europe have been suffocating under a stubborn heat dome parked over the continent, trapping hot air and leading to extreme and dangerous heat and humidity.
—
Laura Paddison,
CNN Money,
26 June 2026
In the East, a strengthening heat dome is locking in oppressive humidity and pushing dangerous heat across major population centers, setting the stage for a long stretch of above-normal temperatures and escalating heat stress.
—
Brandi D. Addison,
USA Today,
26 June 2026
Several London lines were already experiencing problems on Tuesday morning due to flooding from an overnight thunderstorm fueled by the same heat dome responsible for the rocketing temperatures.
—
Isabella Ward,
Wired News,
24 June 2026
When a heat dome sent temperatures soaring in the Pacific Northwest in 2021, 98% of the more than 600 deaths in British Columbia happened inside homes.
—
Zoltan Nagy,
The Conversation,
23 June 2026
Despite the Garros heat dome, cold dread.
—
Guy Martin,
Forbes.com,
1 June 2026
The weather is being driven by a heat dome—a block of high pressure that traps hot air—hovering over Western Europe.
—
Adam Kovac,
Scientific American,
29 May 2026
In the West, a historic snow drought and an intense, far-reaching heat dome over the western and central United States have contributed to the severe start to the 2026 wildfire season, experts say.
—
Harry Bruinius,
Christian Science Monitor,
15 Apr. 2026
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Kansas City Star,
27 June 2026
Huge parts Europe have been suffocating under a stubborn heat dome parked over the continent, trapping hot air and leading to extreme and dangerous heat and humidity.
—
Laura Paddison,
CNN Money,
26 June 2026
In the East, a strengthening heat dome is locking in oppressive humidity and pushing dangerous heat across major population centers, setting the stage for a long stretch of above-normal temperatures and escalating heat stress.
—
Brandi D. Addison,
USA Today,
26 June 2026
Several London lines were already experiencing problems on Tuesday morning due to flooding from an overnight thunderstorm fueled by the same heat dome responsible for the rocketing temperatures.
—
Isabella Ward,
Wired News,
24 June 2026
When a heat dome sent temperatures soaring in the Pacific Northwest in 2021, 98% of the more than 600 deaths in British Columbia happened inside homes.
—
Zoltan Nagy,
The Conversation,
23 June 2026
Despite the Garros heat dome, cold dread.
—
Guy Martin,
Forbes.com,
1 June 2026
The weather is being driven by a heat dome—a block of high pressure that traps hot air—hovering over Western Europe.
—
Adam Kovac,
Scientific American,
29 May 2026
In the West, a historic snow drought and an intense, far-reaching heat dome over the western and central United States have contributed to the severe start to the 2026 wildfire season, experts say.
—
Harry Bruinius,
Christian Science Monitor,
15 Apr. 2026
Cite this Entry
“Heat dome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20dome. Accessed 1 Jul. 2026.
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