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'Hadn't seen anything like that': Scientists stunned by rare Arctic lightning in Alaska


Hadn t seen anything like that : Scientists stunned by rare Arctic lightning in Alaska
Reuters
Meteorologists were stunned this week when three successive thunderstorms swept across the icy Arctic from Siberia to north of Alaska, unleashing lightning bolts in an unusual phenomenon that scientists say will become less rare with global warming.
Forecasters hadn t seen anything like that before, said Ed Plumb, a National Weather Service meteorologist in Fairbanks, speaking about the storms that started on Saturday.
Typically, the air over the Arctic Ocean, especially when the water is covered with ice, lacks the convective heat needed to generate lightning storms. ....

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'Hadn't seen anything like that': Scientists stunned by rare Arctic lightning storms north of Alaska


Electrical storms threaten boreal forests fringing the Arctic (File photo)
Meteorologists were stunned this week when three successive thunderstorms swept across the icy Arctic from Siberia to north of Alaska, unleashing lightning bolts in an unusual phenomenon that scientists say will become less rare with global warming.
“Forecasters hadn’t seen anything like that before,” said Ed Plumb, a National Weather Service meteorologist in Fairbanks, speaking about the storms that started on Saturday.
Typically, the air over the Arctic Ocean, especially when the water is covered with ice, lacks the convective heat needed to generate lightning storms.
But as climate change warms the Arctic faster than the rest of the world, that s changing, scientists say. ....

United States , Sakha Yakutiya , University Of Alaska Fairbanks , Arctic Ocean , Robert Holzworth , Rick Thoman , Noatak National , Geophysical Research Letters , Atmospheric Research In Boulder , National Center , International Arctic Research Center , National Weather Service , University Of Washington , Arctic Circle , Geophysical Research , North Pole , Atmospheric Research , Polar Biology , Noatak National Preserve , ஒன்றுபட்டது மாநிலங்களில் , நியாயமான வங்கிகள் , பல்கலைக்கழகம் ஆஃப் அலாஸ்கா நியாயமான வங்கிகள் , ஆர்க்டிக் கடல் , ரிக் தோமன் , புவி இயற்பியல் ஆராய்ச்சி எழுத்துக்கள் , வளிமண்டலம் ஆராய்ச்சி இல் கற்பாறை ,

Study shows how varying climate conditions impact vulnerable species


Credit: University of Arkansas
New findings on the diet of Arctic foxes, determined by the condition of their teeth, show how varying climate conditions in the Arctic affect the animals that live there.
In a study published in
Polar Biology, Peter Ungar, Distinguished Professor of anthropology at the University of Arkansas, and several co-authors analyzed tooth breakage and wear - both gross and micro - of Arctic foxes from Russia s Yamal Peninsula.
Studying the effect of varying climate conditions within this region helps scientists understand the impact of climate change on vulnerable animals and could explain future responses and adaptation, given the warming trend and thawing in Arctic areas. The researchers study is the first to combine dental proxies for short-term, or seasonal, and long-term, or lifetime, diet to better understand how resource depletion affects species differently in different locations within the Arctic. ....

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Freediver Shatters Record for Longest Swim Under Ice

Freediver Shatters Record for Longest Swim Under Ice
newser.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from newser.com Daily Mail and Mail on Sunday newspapers.

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