Extreme heat broke meteorological records, canceled flights, and made life miserable for millions of people.
Published Jun 23, 2017
This map depicts land surface temperature anomalies for July 20 to 27, 2011, in the midst of a month-long heatwave across much of the United States.
Published Aug 6, 2011
This color-coded map shows above- and below-normal temperatures in early July 2010, when a heat wave struck much of North America and Eurasia.
Published Jul 16, 2010
