Judul : High Waves Set To Batter Arctic Ocean
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High Waves Set To Batter Arctic Ocean
High temperatures hit Pakistan end May 2017. The image below shows readings as high as 51.1°C or 123.9°F on May 27, 2017 (at green circle).
As the image below shows, sea temperature was as high as 32.6°C or 90.6°F on May 28, 2017 (at the green circle), 1.8°C or 3.2°F warmer than 1981-2011.
High temperatures over land and at the sea surface reflect an atmosphere that contains huge amounts of energy. On May 27, 2017, the Convective Available Potential Energy (CAPE) was predicted to be as high as 6976 J/kg at the location in the United States marked by the green circle. Storms subsequently hit a large part of the United States, with baseball-sized hail reported in the Kansas area.
Storms look also set to hit the Arctic Ocean over the next few months.
How is it possible for waves to get that high in a part of the Arctic Ocean that is surrounded by continents that act as shields against winds?
On June 8, 2017, temperatures are forecast to be as high as 40.6°C or 105.2°F near Phoenix, Arizona, and as high as 26.0°C or 78.7°F in Alaska, as the image below shows.
These high temperatures on land are warming up the Arctic Ocean in a number of ways. Firstly, as above image shows, warm air is getting blown from Siberia over the Arctic Ocean.
Thirdly, rising temperatures in the Arctic are causing wind patterns to changing, in particular the jet stream.
The image on the right shows the same area as above image, but this time showing a forecast for the jet stream for June 8, 2017.
As temperatures over the Arctic rise faster than they do at the Equator, the jet stream becomes more wavy, and where loops extend over the Arctic Ocean, as the image shows, they can bring strong winds and higher temperatures into the Arctic. Strong winds can cause high waves and these waves can break up the sea ice, mix warmer water all the way down to the seafloor, and destabilize hydrates that can contain huge amounts of methane.
The situation is dire and calls for comprehensive and effective action, as described in the Climate Plan.
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