Climate

How old is Arctic sea ice?

The NSIDC page Springtime in the Artic (5/3/2022) has a section on sea ice age. At the end of last summer, the extent of the oldest ice (greater than 4 years old) tied with 2012 for the lowest in the satellite record. This spring, we continue to see a dominance …

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What about methane?

The focus on greenhouse gasses is typically on CO2, but we shouldn’t forget about methane. From the NOAA article Increase in atmospheric methane set another record in 2021 – Carbon dioxide levels also record a big jump (4/7/2022): For the second year in a row, NOAA scientists observed a record …

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How may Arctic precipitation change?

  The paper New climate models reveal faster and larger increases in Arctic precipitation than previous projected by Michelle R McCrystall, et. el (11/30/2021) in Nature Communication has some great graphs. In fact, stop reading here and study the graph along with the caption; so much inf. Of course, the …

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What new record was set in Feb?

The Antarctic has broken the record low for sea ice extent and doesn’t appear to be done. The chart here is from the National Snow and Ice Data Center’s Charctic Interactive Sea Ice Graph page. Data is available from the Sea Ice Data and Analysis Tools page.

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How hot was Jan 2022?

From NOAA’s Global Climate Report – January 2022: The global surface temperature for January 2022 was 0.89°C (1.60°F) above the 20th century average and the sixth highest for January since global records began in 1880. The last eight Januarys (2015–2022) rank among the 10 warmest Januarys on record. Similar to …

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How hot was 2021, ENSO version?

From NOAA’s Global Climate Report – Annual 2021: The year 2021 began with an episode of cold phase El Niño Southern Oscillation (ENSO) episode, also known as La Niña, across the central and eastern tropical Pacific Ocean, which had developed in August 2020. As seen in the graph below, ENSO can have …

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How hot was Dec 2021?

From NOAA’s Global Climate Report – December 2021: The December 2021 global surface temperature tied with 2016 as the fifth highest in the 142-year record at 0.83°C (1.49°F) above the 20th century average. Eight of the 10 warmest Decembers have occurred since 2014. December 2021 also marked the 37th consecutive …

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What is the Global Climate Dashboard?

Climate.gov has put together a dashboard: Global Climate Dashboard – Tracking climate change and natural variability over time. The dashboard has graphs and information for greenhouse gases, arctic sea ice carbon dioxide, mountain glaciers, ocean heat, sea level, spring snow, incoming sunlight, and surface temperature under climate change (there are …

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