High-pressure ridges over the oceans drive warm-weather systems over the continents.
Published Jul 12, 2015
In the summer of 2016, extreme heat waves gripped Siberia, the Middle East, and North America.
Published Aug 11, 2016
People in eastern North America shivered through February 2015, while those in the western part of the continent experienced unusually warm weather.
Published Mar 10, 2015
Weather records fell across the northeastern United States and Canada’s Ontario and Maritime provinces.
Published Nov 16, 2017
Extreme heat broke meteorological records, canceled flights, and made life miserable for millions of people.
Published Jun 23, 2017
A broad swath of above-average land surface temperatures stretched across southern Australia in late January and early February 2009.
Published Feb 5, 2009
If you live in the northern hemisphere, the past few weeks have been strange. In places where it should be seasonably hot, it’s just warm. In places where weather is usually mild in the summer, it has been ridiculously hot.
Published Aug 8, 2014
April temperatures soared far above normal, with one location in Thailand breaking the national record.
Published May 4, 2016
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
The small town of Eagle was hotter on May 23 than it has been on any day in Houston or Dallas this year.
Published May 27, 2015
Temperatures were well above the norm for the month, setting records and rising well above the long-term trends.
Published Apr 17, 2012
Civic officials from Rio and scientists from NASA are talking about ways the city can combat rising urban temperatures.
Published Aug 9, 2017
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
Temperatures soared in South Australia, Victoria, New South Wales, and Queensland.
Published Feb 21, 2017
In December 2013, the same kink in the jet stream brought frigid cold to the continental U.S. and record heat to Alaska.
Published Dec 14, 2013
Record temperatures have accompanied destructive fires in the Rocky Mountains.
Published Jun 29, 2012
The Sun heats not only the air around us, but the land we walk on. Scientists are interested in the difference between the two.
Published May 2, 2012
This land surface temperature anomaly map spans the three months of meteorological winter: December 2008-February 2009.
Published May 9, 2009
