Climate

What was the 2020 Arctic sea ice minimum?

The climate.gov article 2020 Arctic sea ice minimum second lowest on record by Michon Scott (9/21/2020) reports: On September 15, 2020, the National Snow and Ice Data Center (NSIDC) announced, Arctic sea ice appeared to have reached its annual minimum extent. At 1.44 million square miles (3.74 million square kilometers), this …

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How hot was Aug 2020?

From the NOAA Global Climate Report – August 2020: Averaged as a whole, the August 2020 global land and ocean surface temperature was 0.94°C (1.69°F) above average and the second highest August temperature since global records began in 1880. Only August 2016 was warmer with a temperature departure from average of +0.98°C …

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How hot was July 2020?

From NOAA’s Global Climate Report – July 2020: The July 2020 global land and ocean surface temperature of 0.92°C (1.66°F) above the 20th century average tied with 2016 as the second highest July global temperature since records began in 1880. This value was only 0.01°C (0.02°F) shy of tying the record warm …

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How much has sea level changed?

NASA’s Vital Signs of the Planet Sea Level Sea Level page provides data on sea level. For example, since 1993 sea level has increased  by about 94mm, but this is an average. In their Sea Level 101, Part Two: All Sea Level is `Local’ by Alan Buis (7/14/2020) they provide …

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What impacts earth’s climate?

The article in Quanta Magazine How Earth’s Climate Changes Naturally (and Why Things are Different Now)  by Howard Lee (7/21/2020) provides a summary of 10 different causes that impact earth’s climate and how they compare with modern climate change. On example is plate tectonics as see in the graphic copied …

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How hot was June 2020?

From NOAA’s Global Climate Report – June 2020: Averaged as a whole, the global land and ocean surface temperature for June 2020 was 0.92°C (1.66°F) above the 20th century average of 15.5°C (59.9°F), tying with 2015 as the third highest June temperature departure from average in the 141-year record. Nine of the …

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How do we calculate sea level?

If you aren’t sure how sea level is calculated then read NASA’s Sea Level 101: What determines the Level of the Sea? by Alan Buis (6/3/2020) . Here is one factor: If our ocean had no tides or currents, the sea surface would assume the shape of the geoid. These …

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How hot was May 2020?

From the NOAA Global Climate Report – May 2020: The global land and ocean surface temperature for May 2020 tied with 2016 as the highest in the 141-year record at 0.95°C (1.71°F) above the 20th century average of 14.8°C (58.6°F). The 10 warmest Mays have all occurred since 1998; however, the 2014–2020 …

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