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A spike in Arctic lightning strikes may be linked to climate change


Climate change may be sparking more lightning in the Arctic.
Data from a worldwide network of lightning sensors suggest that the frequency of lightning strikes in the region has shot up over the last decade, researchers report online March 22 in
Geophysical Research Letters. That may be because the Arctic, historically too cold to fuel many thunderstorms, is heating up twice as fast as the rest of the world (
SN: 8/2/19).
The new analysis used observations from the World Wide Lightning Location Network, which has sensors across the globe that detect radio waves emitted by lightning bolts. Researchers tallied lightning strikes in the Arctic during the stormiest months of June, July and August from 2010 to 2020. The team counted everywhere above 65° N latitude, which cuts through the middle of Alaska, as the Arctic. ....

United States , Robert Holzworth , Sander Veraverbeke , Geophysical Research Letters , University Of Washington , Vu University Amsterdam , World Wide Lightning Location Network , Geophysical Research , ஒன்றுபட்டது மாநிலங்களில் , புவி இயற்பியல் ஆராய்ச்சி எழுத்துக்கள் , பல்கலைக்கழகம் ஆஃப் வாஷிங்டன் , உ பல்கலைக்கழகம் ஆம்ஸ்டர்டாம் , உலகம் பரந்த மின்னல் இடம் வலைப்பின்னல் , புவி இயற்பியல் ஆராய்ச்சி ,

Arctic lightning strikes more likely as temperatures rise


Arctic lightning strikes more likely as temperatures rise
Kate Ravilious
© Provided by The Guardian
Photograph: Design Pics Inc/Alamy
Being struck by lightning is not something people tend to worry about in the Arctic. Encountering a polar bear or being caught in a snowstorm are more pressing concerns. But new data shows that rising temperatures in the Arctic have significantly increased the probability of thunderstorms bubbling up, particularly during the summer months.
Researchers used the World Wide Lightning Location Network to monitor lightning strikes occurring at latitudes above 65°N for the years 2010 to 2020. Their findings, published in Geophysical Research Letters, show the number of lightning strikes during the summer months tripled over this time period, from about 18,000 strikes in 2010 to more than 150,000 in 2020. Over the same time period Arctic temperatures increased by an average of 0.3C, creating more favourable conditio ....

United States , Geophysical Research Letters , Design Pics Inc Alamy , Design Pics Inc Alamy Alaska , World Wide Lightning Location Network , Design Pics , Guardian Photograph , ஒன்றுபட்டது மாநிலங்களில் , புவி இயற்பியல் ஆராய்ச்சி எழுத்துக்கள் , உலகம் பரந்த மின்னல் இடம் வலைப்பின்னல் , வடிவமைப்பு படங்கள் , பாதுகாவலர் புகைப்படம் ,