According to a NASA analysis of global daily temperature data, July 22, 2024 was the hottest day on record . July 21st and 23rd this year too exceeded the previous record established in July 2023.
The record temperatures are part of a long-term warming trend driven by human activities, particularly greenhouse gas emissions. As part of its mission to expand our understanding of Earth, NASA collects critical long-term observations of our changing planet.
“In a year that has been the hottest on record to date, these last two weeks have been particularly brutal,” he said. Bill Nelson NASA administrator, in a statement.
“Through more than two dozen Earth observation satellites and more than 60 years of data, NASA is providing critical analysis of how our planet is changing and how local communities can prepare, adapt and stay safe. We are proud to be part of the Biden-Harris Administration’s efforts to protect communities from extreme heat,” he added.
The preliminary finding comes from analyzes of data from the following systems: Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) and Goddard Earth Observing System Forward Processing (GEOS-FP), which combine millions of global instrument observations on land, sea, air and satellites using atmospheric models.
GEOS-FP provides fast, near real-time meteorological data, while MERRA-2 climate reanalysis takes longer but ensures the use of better quality observations. These models are run by the Global Modeling and Assimilation Office (GMAO) at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
Daily global mean temperature values from MERRA-2 for the years 1980 to 2022 are shown in white the values for 2023 appear in light pink and the values of 2024 to June in red . Daily global temperature values from July 1 to 23, 2024, from GEOS-FP, appear in purple . See below.
The results agree with an independent analysis by the European Union’s Copernicus Earth Observation Program. Although the analyzes have small differences, they show broad agreement in temperature change over time and on the hottest days.
The latest daily temperature records follow 13 months of consecutive monthly temperature records, according to scientists at NASA’s Goddard Institute for Space Studies in New York. Their analysis was based on the GISTEMP record, which uses only surface instrumental data and provides a long-term view of changes in global temperatures at monthly and annual resolutions dating back to the late 19th century.
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This content was originally published in Retrospective 2024: year had the hottest day in Earth’s history; remember on the CNN Brasil website.
Source: CNN Brasil
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