2017 Takes Second Place for Hottest Year

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    ID: 12828 Produced Video

    2017 Global Temperature Visuals

    Jan. 19th, 2018
    (updated May 3rd, 2023)

    Earth’s global surface temperatures in 2017 were the second warmest since modern recordkeeping began in 1880, continuing the planet’s long-term warming trend.Globally averaged temperatures in 2017 were 1.62 degrees Fahrenheit (0.90 degrees Celsius) warmer than the 1951 to 1980 mean. That is second only to global temperatures in 2016. Last year was the third consecutive year in which temperatures were more than 1.8 degrees Fahrenheit (1 degree Celsius) above late nineteenth-century levels.2017 was the warmest year that did not have an El Niño event.NASA’s temperature analyses incorporate surface temperature measurements from 6,300 weather stations, ship- and buoy-based observations of sea surface temperatures, and temperature measurements from Antarctic research stations.These raw measurements are analyzed using an algorithm that considers the varied spacing of temperature stations around the globe and urban heating effects that could skew the conclusions. These calculations produce the global average temperature deviations from the baseline period of 1951 to 1980.The full 2017 surface temperature data set and the complete methodology used to make the temperature calculation are available at: http://data.giss.nasa.gov/gistemp/ ||

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    ID: 12824 Produced Video

    The Numbers Are In: Where Does 2017 Rank for Global Temperatures? Live Shots 1.18.18

    Jan. 16th, 2018
    (updated May 3rd, 2023)

    2017 Takes Second Place For Warmest Year On Record. || The Numbers Are In: Where Does 2017 Rank for Global Temperatures?NASA Scientists Available January 19th To Share Latest With Your ViewersIn many parts of the United States, 2017 was a year of extremes: deadly hurricanes, devastating flooding and wildfires but also record-breaking Arctic temperatures across much of the country and surprising snowfall in areas of the country that don’t usually see much of the white, fluffy stuff. New York City experienced its coldest New Year’s Eve in 55 years, and Los Angeles hosted the hottest World Series game ever. But where does 2017 rank globally in the temperature record books? Join NASA scientists from 6:00 a.m. – 11:30 a.m. EST on Friday, Jan. 19 to find out where 2017 global temperatures rank, and find out how NASA uses its unique vantage point from space to track how the Earth is responding to a warming climate.Despite year-to-year changes, average temperatures around the globe remain on a steady, long-term upward trend. In fact, 17 of the 18 warmest years on record have occurred since 2001. NASA scientists will break down where 2017 stands in the record books, and what role warmer temperatures may have played in the extreme events that the U.S. experienced last year. HD Satellite Coordinates for G17-K18/Upper: Galaxy 17 Ku-band Xp 18 Slot Upper| 91.0 ° W Longitude | DL 12069.0 MHz | Vertical Polarity | QPSK/DVB-S | FEC 3/4 | SR 13.235 Mbps | DR 18.2954 MHz | HD 720p | Format MPEG2 | Chroma Level 4:2:0 | Audio Embedded *****To book a window contact****Michelle Handleman / Michelle.z.handleman@nasa.gov / 301-286-0918Suggested Questions:1.NASA just released data about 2017. Tell us where 2017 ranks among the warmest years on record?
2.December was unusually cold for much of the U.S. How does that compare to what we saw elsewhere around the world last month? 3.Last year was a wild year for weather in the United States/our area. How does what we saw overall in the U.S. in 2017 relate to the broader global picture? 
4.What are some of the other effects we’re seeing as temperatures rise?5.Where can we learn more?Questions For Longer Interviews:1. What is an El Niño and what part has this weather pattern played in global temperatures in recent years?2. How might shifting patterns of El Niño to a possible La Nina impact us this year?3. What is driving our planet’s long term warming trend?4. One or two degree temperature increases don’t sound like much. Why is this significant?5. NASA has a global perspective here on Earth and in space. How do NASA’s observations from space help us understand the changing climate? Live Shot Details: Location: NASA’s Goddard Space Flight Center/Greenbelt, MarylandScientists:Dr. Doug Morton / NASA Scientist (English and Portuguese)Dr. Lesley Ott / NASA ScientistDr. Eric Brown De Colstoun / NASA Scientist (en Español) ||

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    ID: 12847 Produced Video

    Warm World of 2017

    Feb. 20th, 2018
    (updated May 3rd, 2023)

    2017 was the second hottest year on record. || 2017 was the second hottest year on Earth since global temperature estimates first became possible in 1880. Although 2016 still holds the record for the warmest year, 2017 came in a close second, with average temperatures 1.6 degrees Fahrenheit (0.90 degrees Celsius) higher than the average of the mid-20th century. 2017’s temperature record is especially noteworthy, because we didn’t have an El Niño this year, the periodic warming of the tropical Pacific Ocean waters, which affect wind and weather patterns, and usually results in warmer temperatures globally. NASA scientists analyze temperature data from 6,300 weather stations and ship- and buoy-based observations around the world on a monthly and yearly basis. Researchers at the National Oceanic and Atmospheric Administration (NOAA) do a similar but independent analysis, and their 2017 analysis tracked closely with NASA's. Since the global temperature is an average for the whole planet, different places on Earth experienced different amounts of warming, with the strongest warming trends seen in the Arctic regions. Increasing global temperatures are the result of human activity, specifically the release of greenhouse gases like carbon dioxide and methane, which trap heat inside the atmosphere, raising temperatures around the globe. Watch the videos to learn more. ||

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