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Notices by Zack Labe (zlabe@fediscience.org), page 2

  1. Zack Labe (zlabe@fediscience.org)'s status on Thursday, 12-Oct-2023 15:39:02 UTC Zack Labe Zack Labe

    Last month observed highly anomalous temperatures across nearly all of #Antarctica - departures exceeding 5°C above/below the 1981-2010 reference period...

    Data from ECMWF ERA5 reanalysis at https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels-monthly-means?tab=overview

    In conversation Thursday, 12-Oct-2023 15:39:02 UTC from fediscience.org permalink

    Attachments



    1. https://fediscience.org/system/media_attachments/files/111/222/620/108/746/172/original/71575c011112fdef.png
  2. Zack Labe (zlabe@fediscience.org)'s status on Sunday, 08-Oct-2023 14:59:36 UTC Zack Labe Zack Labe

    Last month was the most anomalous on record for temperatures in the Southern Hemisphere...

    Data from ECMWF ERA5 reanalysis at https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels-monthly-means?tab=overview

    In conversation Sunday, 08-Oct-2023 14:59:36 UTC from fediscience.org permalink

    Attachments



    1. https://fediscience.org/system/media_attachments/files/111/199/785/294/885/613/original/2a42bfefe1046791.png
  3. Zack Labe (zlabe@fediscience.org)'s status on Friday, 06-Oct-2023 12:05:43 UTC Zack Labe Zack Labe

    Above average temperatures continued across the entire northern half of the Atlantic Ocean during September 2023. Temperatures were also anomalously warm over much of North and South America. The El Niño is of course striking too.

    Data from ERA5 reanalysis at https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels-monthly-means?tab=overview.

    In conversation Friday, 06-Oct-2023 12:05:43 UTC from fediscience.org permalink

    Attachments



    1. https://fediscience.org/system/media_attachments/files/111/187/813/258/487/762/original/f0b488abcffd24d7.png
  4. Zack Labe (zlabe@fediscience.org)'s status on Monday, 02-Oct-2023 22:10:53 UTC Zack Labe Zack Labe

    Hope you had a good weekend! Here's your Monday ice update - #Arctic sea ice extent is currently the 5th lowest on record (JAXA data)...

    • about 380,000 km² below the 2010s mean
    • about 1,510,000 km² below the 2000s mean
    • about 2,640,000 km² below the 1990s mean
    • about 3,300,000 km² below the 1980s mean

    Additional plots: https://zacklabe.com/arctic-sea-ice-figures/

    In conversation Monday, 02-Oct-2023 22:10:53 UTC from fediscience.org permalink

    Attachments

    1. Polar Climate Change Figures
      from Zack Labe
      Near real-time visualizations Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent, Co…

    2. https://fediscience.org/system/media_attachments/files/111/167/064/882/314/062/original/289af86480b3e46f.png
  5. Zack Labe (zlabe@fediscience.org)'s status on Sunday, 01-Oct-2023 02:26:38 UTC Zack Labe Zack Labe

    Oh look, another absurd climate graph from this summer - sea surface temperature anomalies in the North Atlantic for every August since 1854... 🥴

    Data available from NOAA ERSSTv5 (https://psl.noaa.gov/data/gridded/data.noaa.ersst.v5.html).

    In conversation Sunday, 01-Oct-2023 02:26:38 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/111/157/197/217/661/291/original/221390dcddffce3e.png
    2. No result found on File_thumbnail lookup.
      : NOAA Physical Sciences Laboratory
      from PSL Web Team
      US Department of Commerce, NOAA, Physical Sciences Laboratory
  6. Zack Labe (zlabe@fediscience.org)'s status on Friday, 29-Sep-2023 00:18:30 UTC Zack Labe Zack Labe

    ⬇️ September brings an end to the melt season in the #Arctic as sea ice reaches its minimum extent by the middle of the month.

    This thread shares an overview of its long-term trends in the atmosphere and ocean. #ArcticAmplification

    In conversation Friday, 29-Sep-2023 00:18:30 UTC from fediscience.org permalink
  7. Zack Labe (zlabe@fediscience.org)'s status on Friday, 29-Sep-2023 00:18:29 UTC Zack Labe Zack Labe
    in reply to

    Trends in September #Arctic sea ice thickness over approximately the last four decades (yes, that shows thinning everywhere)... 🧊📉

    [Data from PIOMAS. For more information: https://doi.org/10.1175/JCLI-D-17-0436.1]

    In conversation Friday, 29-Sep-2023 00:18:29 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/111/144/376/400/679/019/original/b2419ee82a433634.png
    2. Variability of Arctic Sea Ice Thickness Using PIOMAS and the CESM Large Ensemble
      from Hal Stern
      Abstract Because of limited high-quality satellite and in situ observations, less attention has been given to the trends in Arctic sea ice thickness and therefore sea ice volume than to the trends in sea ice extent. This study evaluates the spatial and temporal variability in Arctic sea ice thickness using the Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS). Additionally, the Community Earth System Model Large Ensemble Project (LENS) is used to quantify the forced response and internal variability in the model. A dipole spatial pattern of sea ice thickness variability is shown in both PIOMAS and LENS with opposite signs of polarity between the East Siberian Sea and near the Fram Strait. As future sea ice thins, this dipole structure of variability is reduced, and the largest interannual variability is found only along the northern Greenland coastline. Under a high-emissions scenario (RCP8.5) projection, average September sea ice thickness falls below 0.5 m by the end of the twenty-first century. However, a regional analysis shows internal variability contributes to an uncertainty of 10 to 20 years for the timing of the first September sea ice thickness less than 0.5 m in the marginal seas.
  8. Zack Labe (zlabe@fediscience.org)'s status on Friday, 29-Sep-2023 00:18:28 UTC Zack Labe Zack Labe
    in reply to

    September also observes the largest losses of #Arctic sea ice concentration compared to any other month of the year. And NO increases. The largest declines are in parts of the Chukchi & Beaufort Seas.

    [Sea ice concentration = fraction of ice-cover. More info: https://doi.org/10.1175/BAMS-D-23-0079.1]

    In conversation Friday, 29-Sep-2023 00:18:28 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/111/144/378/383/412/602/original/89387074ad994417.png
    2. The Arctic
      from Sara W. Veasey
      "The Arctic" published on 06 Sep 2023 by American Meteorological Society.
  9. Zack Labe (zlabe@fediscience.org)'s status on Monday, 11-Sep-2023 00:23:58 UTC Zack Labe Zack Labe

    Each line represents one year of #Arctic sea ice volume from 1979 [dark blue] to 2022 [dark red]. This year is shown in yellow - now updated through all of August 2023

    + More visuals of ice thickness: https://zacklabe.com/arctic-sea-ice-volumethickness/

    In conversation Monday, 11-Sep-2023 00:23:58 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/111/043/525/875/592/283/original/ccd82e7ad929f940.png
    2. Invalid filename.
      Arctic: Sea-Ice Thickness/Volume
      from Zack Labe
      My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…
  10. Zack Labe (zlabe@fediscience.org)'s status on Saturday, 09-Sep-2023 21:49:14 UTC Zack Labe Zack Labe

    Working on a public talk about climate change impacts in the United States and thought I would share one of my slides - always a striking comparison...

    [Data from https://data.giss.nasa.gov/gistemp/. As usual, the rest of my slides will be available on my website by next week.]

    In conversation Saturday, 09-Sep-2023 21:49:14 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/111/037/385/912/297/148/original/0b171a5095bbb997.png
    2. Data.GISS: GISS Surface Temperature Analysis (GISTEMP v4)
  11. Zack Labe (zlabe@fediscience.org)'s status on Monday, 04-Sep-2023 14:43:47 UTC Zack Labe Zack Labe
    in reply to
    • Simbionte

    @santiago 2012 also observed the lowest extent of sea ice on record for the entire Arctic.

    In conversation Monday, 04-Sep-2023 14:43:47 UTC from fediscience.org permalink
  12. Zack Labe (zlabe@fediscience.org)'s status on Monday, 04-Sep-2023 14:38:55 UTC Zack Labe Zack Labe

    Sea ice across the Pacific side of the #Arctic has now dropped to the 2nd lowest on record in at least the satellite-era. This is a lot of open water.

    Compare 2023 compare with the purple lines (1980s)...

    Map of Arctic: https://zacklabe.files.wordpress.com/2022/08/b203f-nsidc_mapseas.png. Data: https://nsidc.org/data/seaice_index.

    In conversation Monday, 04-Sep-2023 14:38:55 UTC from fediscience.org permalink

    Attachments

    1. Sea Ice Index Daily and Monthly Image Viewer

    2. https://fediscience.org/system/media_attachments/files/111/007/021/413/535/342/original/f31170a99f06a8f4.png

    3. https://zacklabe.files.wordpress.com/2022/08/b203f-nsidc_mapseas.png
  13. Zack Labe (zlabe@fediscience.org)'s status on Tuesday, 29-Aug-2023 19:01:45 UTC Zack Labe Zack Labe

    Global temperature anomalies by month through July 2023. Every month so far this year has been ≥0.87°C above the 1951-1980 climate baseline.

    Note: M = sunspot cycle max, m = sunspot cycle min, V = volcano

    [Data from NASA GISTEMPv4. Visualization prepared by http://columbia.edu/~mhs119/Temperature/T_moreFigs/]

    In conversation Tuesday, 29-Aug-2023 19:01:45 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/110/974/386/609/714/949/original/e5d43ded40f27e06.png
    2. More Temperature Figures
  14. Zack Labe (zlabe@fediscience.org)'s status on Saturday, 19-Aug-2023 21:11:01 UTC Zack Labe Zack Labe

    Arctic sea ice grows and shrinks during the year (seasonal cycle). It reaches its annual minimum extent at the end of every summer (early-mid September).

    Currently, 2023's sea ice extent is already below the minimums from the 1980, 1990, and 2000 decadal averages [JAXA data]

    In conversation Saturday, 19-Aug-2023 21:11:01 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/110/918/186/851/631/719/original/9456bbfa11feda4a.png
  15. Zack Labe (zlabe@fediscience.org)'s status on Friday, 18-Aug-2023 16:15:43 UTC Zack Labe Zack Labe
    in reply to
    • Simbionte

    @santiago No.

    In conversation Friday, 18-Aug-2023 16:15:43 UTC from fediscience.org permalink
  16. Zack Labe (zlabe@fediscience.org)'s status on Friday, 18-Aug-2023 15:07:12 UTC Zack Labe Zack Labe

    Enjoy your weekend! Here's your Friday ice update - #Arctic sea ice extent is currently the 8th lowest on record (JAXA data)...

    • about 20,000 km² above the 2010s mean
    • about 1,000,000 km² below the 2000s mean
    • about 1,940,000 km² below the 1990s mean
    • about 2,570,000 km² below the 1980s mean

    Other polar plots: https://zacklabe.com/arctic-sea-ice-figures/

    In conversation Friday, 18-Aug-2023 15:07:12 UTC from fediscience.org permalink

    Attachments


    1. https://fediscience.org/system/media_attachments/files/110/911/223/685/654/905/original/dc3d80e11a7bcad1.png
    2. Polar Climate Change Figures
      from Zack Labe
      Near real-time visualizations Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent, Co…
  17. Zack Labe (zlabe@fediscience.org)'s status on Saturday, 12-Aug-2023 21:05:24 UTC Zack Labe Zack Labe

    The rate of #Antarctic sea ice growth has slowed down even more in the last few days...

    More visualizations at: https://zacklabe.com/antarctic-sea-ice-extentconcentration/. More information on this extreme event at: https://zacklabe.com/climate-viz-of-the-month/ and https://youtube.com/watch?v=ZFHKZMprEOU&t=1s&ab_channel=DrGilbz.

    In conversation Saturday, 12-Aug-2023 21:05:24 UTC from fediscience.org permalink

    Attachments

    1. Invalid filename.
      Antarctic: Sea-Ice Concentration/Extent/Thickness
      from Zack Labe
      My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…

    2. https://fediscience.org/system/media_attachments/files/110/878/661/906/821/821/original/867e14da89ad0f85.png
    3. Climate Viz of the Month
      from Zack Labe
      June 2023 There have been many surprises (to me) since I have become actively involved with science communication over the last few years. One surprise is about using the words “I don’t know.” Afte…
    4. Antarctic sea ice: lowest in 7.5 million years??
      from Dr Gilbz
      Antarctic sea ice is behaving very, very weirdly right now. In the same year we saw a record minimum extent, we’re now seeing a record slow freeze-up, leavin...
  18. Zack Labe (zlabe@fediscience.org)'s status on Sunday, 16-Jul-2023 21:15:33 UTC Zack Labe Zack Labe

    Uh, yeah, this is still happening...

    For more visualizations of the historic lack of sea ice in the #Antarctic (during July): https://zacklabe.com/antarctic-sea-ice-extentconcentration/.

    In conversation Sunday, 16-Jul-2023 21:15:33 UTC from fediscience.org permalink

    Attachments

    1. Invalid filename.
      Antarctic: Sea-Ice Concentration/Extent/Thickness
      from Zack Labe
      My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…

    2. https://fediscience.org/system/media_attachments/files/110/721/125/613/038/659/original/ad7b546414a8e943.png
  19. Zack Labe (zlabe@fediscience.org)'s status on Thursday, 06-Jul-2023 23:11:42 UTC Zack Labe Zack Labe

    With ice growth remaining slow, the record #Antarctic sea ice anomaly (negative departure from average) continues to somehow get larger in size...

    Seasonal cycle graphs at https://zacklabe.com/antarctic-sea-ice-extentconcentration/. More info at http://nsidc.org/arcticseaicenews/2023/07/mid-summer-bliss/.

    In conversation Thursday, 06-Jul-2023 23:11:42 UTC from fediscience.org permalink

    Attachments

    1. Invalid filename.
      Antarctic: Sea-Ice Concentration/Extent/Thickness
      from Zack Labe
      My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…

    2. https://fediscience.org/system/media_attachments/files/110/668/268/978/221/244/original/edf32b2053e8a069.png
    3. Mid-summer bliss
  20. Zack Labe (zlabe@fediscience.org)'s status on Thursday, 29-Jun-2023 02:04:19 UTC Zack Labe Zack Labe

    Well, the absolute magnitude of the #Antarctic sea ice anomaly has now tied the largest on record...

    More graphs here: https://zacklabe.com/antarctic-sea-ice-extentconcentration/.

    Note that while sea ice is growing (austral winter), it's happening much slower than typical.

    I am using the National Snow and Ice Data Center (NSIDC) 5-day running mean (https://nsidc.org/data/seaice_index/faq). Data from https://nsidc.org/data/seaice_index.

    In conversation Thursday, 29-Jun-2023 02:04:19 UTC from fediscience.org permalink

    Attachments

    1. Sea Ice Index Daily and Monthly Image Viewer
    2. Invalid filename.
      Antarctic: Sea-Ice Concentration/Extent/Thickness
      from Zack Labe
      My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…

    3. https://fediscience.org/system/media_attachments/files/110/622/054/393/421/028/original/3cc433116ac7b264.png
    4. FAQ
      The Sea Ice Index provides a quick look at Arctic- and Antarctic-wide changes in sea ice.
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    Zack Labe

    Zack Labe

    Climate Scientist (Atmospheric) PhD | Postdoc at Princeton University & NOAA GFDL | UC Irvine and Cornell University alum | Sharing data-driven stories | Be kind | Views are my own |My research and communication interests coincide with disentangling patterns of climate change from climate variability using data-driven methods. Also, scary movie fan!#Arctic #ClimateChange #DataViz #MachineLearning #OpenScience #Python #SciComm #Weather #wxMastodon #wxTwitter

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