Weather

Is there a polar vortex climate change connection?

  The climate.gov article Understanding the Arctic polar vortex by Rebecca Lindsey (3/5/2021) is a complete primer on the polar vortex, jet stream, and what we know (and don’t) abut the connection to climate change. According to NOAA stratosphere expert Amy Butler, people often confuse the polar vortex with the polar jet stream, …

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What is the status of the ozone hole?

According to the NOAA article Five questions about 2019’s record-small ozone hole by Rebecca Lindsey (10/21/2019): In 2019, the hole that developed in the ozone layer over Antarctica was the smallest on record since 1982, according to the NASA/NOAA press release. In an average spring, the hole expands throughout September and …

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How hot was June 2019?

The NOAA National Centers for Environmental Information Global Climate Report – June 2019: Averaged as a whole, the June 2019 global land and ocean temperature departure from average was the highest for June since global records began in 1880 at +0.95°C (+1.71°F). This value bested the previous record set in 2016 by …

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Rain, Rain, Go, Away. . .How wet has it been?

The NOAA post Assessing the U.S. Climate in June 2019 (7/9/2019) has a quick summary of precipitation. In short, the 12 month contiguous U.S. precipitation record has been broken for the last three months.  Average precipitation across the contiguous U.S. for July 2018–June 2019 was 37.86 inches, 7.90 inches above …

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