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Feeling like you’re stuck in an oven? You’re not completely wrong about that.

Southeast Georgia, Northeast Florida experiencing heat dome hotness

Person sweating in the sun (WJXT, Copyright 2024 by WJXT News4JAX - All rights reserved.)

If you’re feeling like you’re walking around in a thick, hot, humid, airless mass - you’re not wrong.

The high heat we’re experiencing right now is considered a heat wave by the National Weather Service based on their definition which “is a period of abnormally hot weather generally lasting more than two days.” Well, we’re there.

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The normal high temperature for our region is roughly 92. Since July 1, we’ve only hit 92 once on July 2. July 5 was 95.

With the humidity range in the 60-70 percentile, the heat index has been in the Heat Advisory range for our western counties. The NWS issues a Heat Advisory Alert when the heat index (feels like temperature) is expected to be a minimum of 108.

Hot temperatures (Copyright 2024 by WJXT News4JAX - All rights reserved.)

Back to the oven. According to the American Meteorological Society, a heat dome is when high pressure prevents the warm air from rising. When air can’t move, temperatures rise and thus, you feel like you’re living in a hot oven.

RELATED: Hot temps affecting your breathing? You’re not alone. What a doctor says about the effects

Two areas of high pressure: one situated over Arkansas and Missouri and one in the Gulf of Mexico near Tampa, are to blame for the stifling heat settling over our region.

Areas of high pressure over Arkansas and Missouri and one in the Gulf of Mexico near Tampa. (Copyright 2024 by WJXT News4JAX - All rights reserved.)

How long will this last? Sunday will likely be closer to normal temperatures and the NWS isn’t expected to issue another Heat Advisory.


About the Author
Michelle McCormick headshot

Michelle McCormick joined News4Jax in December 2023 and in February 2024, she happily accepted the opportunity to officially join the News4Jax Weather Authority team as the weekend morning meteorologist. She is a member of both the American Meteorological Society and National Weather Association.

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