Extreme Duration Heatwaves Reach Populated U.S. Centers

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Phoenix and Las Vegas were among U.S. cities that experienced their hottest summer, by far, this year. From late spring to early fall, extreme duration heatwaves—100 or more consecutive 100° days—reached major U.S. population centers for the first time on record. Both East Mesa (population: 513,567) and Phoenix (population: 1,662,607) suffered through 113 consecutive days of 100° or above heat. In addition, from May 28 through September 15, Phoenix had a 111-day period during which the high temperature averaged 110°.

As has been the case in recent exceptionally hot summers, heat domes build and rebuild into the fall. Another round of exceptional heat is likely in the Phoenix area this week. The potential exists for that city to see its hottest temperatures so late in the season.

4 thoughts on “Extreme Duration Heatwaves Reach Populated U.S. Centers

  1. Gregory Davis

    Phoenix and Las Vegas enduring their hottest summer on record is a stark reminder of climate change’s effects. The extreme duration of these heatwaves is unprecedented. If you’re interested in exploring solutions and sharing insights, check out travel pram website to connect with others tackling these challenges.

  2. David Jarrett

    The prolonged heatwaves in Phoenix and Las Vegas are unprecedented, with 113 consecutive days of 100°+ heat! It’s alarming to see these extremes affecting major U.S. cities. For more insights on the impact of heatwaves and adaptation strategies, visit reverse osmosis drinking water system and join the discussion.

  3. Roger Thompson

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  4. Harley Daniel

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