Arctic Sea Ice Alert
Arctic News Blog
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2d ago
Temperatures are getting very high in the Northern Hemisphere. The image on the right shows maximum temperatures on June 10, 2024, with very high temperatures showing up over a large area around the North Pole. Temperatures can be expected to keep rising. The image underneath shows a forecast of maximum temperature on June 13, 2024, with very high temperatures showing up on land around the Arctic Ocean, above 20°C in Alaska, parts of Siberia and on an area in Greenland. This year, temperatures are extremely high, and this is especially the case for temperatures in the Gulf of Mexico ..read more
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Have feedbacks taken over?
Arctic News Blog
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1w ago
For about one year now, global temperature anomalies have been extremely high, as illustrated by the image below, created with a screenshot from Copernicus, showing an anomaly from 1991-2020 of 0.86°C on June 1, 2024. What could be behind these persistently high temperatures? Many causes such as El Niño and sunspots have been discussed in earlier posts. How much do emissions contribute to these high temperatures? Despite pledges by politicians to ensure that temperatures would not cross 1.5°C above pre-industrial, the growth rate of the concentration of carbon dioxide in the atmo ..read more
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Very high temperatures in Tropics
Arctic News Blog
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1w ago
Temperatures in the Tropics (23.5°S-23.5°N, 0-360°E) have been very high in 2024 (see black line, image below), much higher than they were at this time of year in 2023 (orange line).  The above image shows that on May 24, 2024, the temperature was 26.7°C (or 80.06°F), an anomaly of 1°C (or 1.8°F) compared to 1979-2000.  The image below shows the average monthly temperature anomaly over the past few years through April 2024, when the anomaly was 1.327°C (or 2.389°F) compared to 1951-1980.   Note that the above-mentioned anomalies are compared to 1979-2000 and ..read more
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Temperatures in the Tropics
Arctic News Blog
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3w ago
The image below shows that temperatures in the Tropics (23.5°S-23.5°N, 0-360°E) were very high during the second half of April 2024, and these very high temperatures were sustained during the first part of May 2024. The temperature was 26.9°C (or 80.42°F) on May 11, 2024, an anomaly of 1.1°C (or 1.98°F) from 1979-2000.  The image below shows the average monthly temperature anomaly over the past few years through April 2024, when the anomaly was 1.327°C (or 2.389°F) from 1951-1980.   Note that the anomalies on the top image are calculated from 1979-2000 as a base, wh ..read more
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Temperature rise may soon accelerate even more
Arctic News Blog
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1M ago
The April 2024 temperature was 1.32°C higher than 1951-1980, as illustrated by the above image, adapted from NASA. Local anomalies are as high as 6.2°C. The April 2024 temperature was 1.62°C higher than 1900-1930, as illustrated by the above image, adapted from NASA. The red line highlights acceleration of the temperature rise (Lowess Smoothing).  The image below, created with NOAA content, uses a LOESS filter (green line) to highlight the recent acceleration in the temperature rise of the ocean. In this case, the temperature anomaly is calculated versus a 1901-2000 base.  ..read more
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Tracking toward mass extinction
Arctic News Blog
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1M ago
 by Andrew Glikson Where “Two plus two equals five if the party says so” (George Orwell) and when drilling methane wells reduces global warming Having turned a blind eye to climate science, ignoring the evidence that extreme atmospheric carbon dioxide (CO₂), methane (CH₄) rise and ocean acidification have led to mass extinctions of species through time, humanity allows an exponential growth of carbon emissions to track toward a global suicide marked by false pretexts and betrayal by the powers that be. The evidence suggests unabated global warming will lead to 3.4 million Deaths Pe ..read more
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Is CMIP6 SSP585 the worst-case scenario?
Arctic News Blog
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1M ago
The image below, adapted from Climate Reanalyzer, shows the temperature in the year 2100, in a CMIP6 SSP585 scenario. The image shows how much the temperature will have risen in 2100, at 2 meters above the surface and compared to the period 1979-2000.  The image below shows a progressive temperature rise reaching 4.589°C in 2100 compared to the same period, i.e. 1979-2000 and in a CMIP6 SSP585 scenario.  The 1979-2000 period is relatively recent. The temperature has been rising for longer than that. The image below shows a progressive temperature rise reaching 4.91°C by 2100 in ..read more
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Temperature rise in the Tropics (update 5)
Arctic News Blog
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1M ago
The temperature in the Tropics (23.5°S-23.5°N, 0-360°E) reached a new record high on April 24, 2024 of 27°C (or 80.6°F).  The image below shows the monthly temperature anomaly over the past few years through March 2024, when the anomaly reached a record high of 1.448°C (or 2.606°F).   Note that the anomaly in the top image is calculated from 1979-2000 as a base, while anomalies in the above image are calculated from 1951-1980 as a base. When calculated from a pre-industrial base, these anomalies will be much higher. The high temperatures are causing widespread dama ..read more
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Arctic sea ice under threat
Arctic News Blog
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1M ago
The image below indicates that Arctic sea ice volume has meanwhile passed its annual maximum. Over the coming months, volume can be expected to decrease rapidly. The image also highlights that, over the past few months, Arctic sea ice volume has been the lowest on record for the time of year. The image below illustrates the decline of Arctic sea ice volume over the years. The image also confirms that the annual maximum volume was recently reached and that it was the lowest maximum for the 24 years on record.  Given that Arctic sea ice currently is still relatively extensive, this rec ..read more
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Temperature rise in the Tropics (update 4)
Arctic News Blog
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1M ago
The temperature in the Tropics (23.5°S-23.5°N, 0-360°E) reached a new record high on April 23, 2024 of 26.925°C (or 80.47°F).  The image below shows the monthly temperature anomaly over the past few years through March 2024, when the anomaly reached a record high of 1.448°C (or 2.606°F).   Note that anomalies in the above image are calculated from 1951-1980 as a base. When calculated from a pre-industrial base, anomalies will be much higher. The high temperatures are causing widespread damage and are threatening to cause huge loss of life of people, livestock and w ..read more
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