Last updated October 15, 2021
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Extreme Jet Stream and Texas Heat Wave July 2018

United States

A heat wave across Texas tested the state’s electrical grid and endangered residents in mid-July. The record-breaking heat in Texas was one of many global extreme events, from deadly wildfires in Greece to heat waves in Japan[1], tied to the unusual and persistent jet stream in place during the month. 

Climate change has played two different roles in the string of record-breaking weather observed across the globe: (1) the overall warming due to human greenhouse gas emissions amplifies heatwaves, pushing temperatures to new extremes, and (2) climate change is increasing the frequency of unusual jet stream configurations.

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Heat Wave
Greenhouse Gas Emissions
Global Warming
Large Scale Global Circulation Change
Atmospheric Blocking Increase
Air Mass Temperature Increase
Extreme Heat and Heat Waves
Extreme Jet Stream and Texas Heat Wave July 2018