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Friday, June 2, 2023

Earth Just Had Its Second-Warmest March on Record

March 2023 also was the 47th-consecutive March and the 529th-consecutive month with temperatures above the 20th-century average.

The planet continued its exceptionally warm start to the year with its second-warmest March on record.

Global sea ice coverage also felt the heat, with sea ice running at its second-smallest extent since records began in 1979, according to scientists from NOAA’s National Centers for Environmental Information.

Below are more highlights from NOAA’s latest monthly global climate report:

Climate by the numbers

March 2023

The average global land and ocean-surface temperature for March was 2.23 degrees F (1.24 degrees C) above the 20th-century average of 54.9 degrees (12.7 degrees C), ranking as the second-warmest March in the 174-year global climate record, behind March 2016.

March 2023 also was the 47th-consecutive March and the 529th-consecutive month with temperatures above the 20th-century average.

Looking at the continents, Asia had its second-warmest March on record, and South America and Africa each had their fourth-warmest. Europe saw its 10th-warmest March on record, while North America had a warmer-than-average March, but it did not rank among the top-20 warmest on record.

Year to date | January through March

The 2023 year-to-date (YTD) global surface temperature was the fourth warmest on record at 1.87 degrees F (1.04 degrees C) above the 20th-century average. Only the YTD for 2016 (warmest),  2020 (second) and 2017 (third) were warmer.

According to NCEI’s Global Annual Temperature Outlook, it’s near certain (>99.0% chance) that 2023 will rank among the 10 warmest years on record, with a 96% chance this year will rank among the top-five warmest.

Earth Just Had Its Second-Warmest March on Record Homeland Security Today
A map of the world plotted with some of the most significant climate events that occurred during March 2023. Please see the story below as well as more details in the report summary from NOAA NCEI at www.ncei.noaa.gov.

Other notable climate events in the March report

  • Sea ice hit near-record lows: Globally, polar sea ice coverage ranked as the second-smallest coverage (extent) on record since records began in 1979. Only 2017 had a smaller global extent. Arctic sea ice logged in at about 230,000 square miles below the 1991–2020 average—the sixth-smallest March extent in the 45-year record. Antarctic sea ice coverage came in at about 490,000 square miles below average, the second-smallest coverage on record.
  • The tropics saw a lower-than-average number of named tropical storms, but one of those was record large: Four named tropical storms occurred across the globe in March, which was less than average. All four reached tropical cyclone strength (winds of 74 mph or higher), with three of those reaching major tropical cyclone strength (winds of 111 mph or higher). The exceptionally long-lived Tropical Cyclone Freddy in the South Indian Ocean set a record for the largest amount of accumulated cyclone energy — or ACE, a metric that indicates the amount of energy released by a tropical cyclone during its lifetime — for any storm on record.

More > Read NOAA’s latest climate report and download the images.

Read more at NOAA

Homeland Security Todayhttp://www.hstoday.us
The Government Technology & Services Coalition's Homeland Security Today (HSToday) is the premier news and information resource for the homeland security community, dedicated to elevating the discussions and insights that can support a safe and secure nation. A non-profit magazine and media platform, HSToday provides readers with the whole story, placing facts and comments in context to inform debate and drive realistic solutions to some of the nation’s most vexing security challenges.

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