{"id":6074,"date":"2021-04-13T09:23:21","date_gmt":"2021-04-13T07:23:21","guid":{"rendered":"https:\/\/site.uit.no\/cage\/?p=6074"},"modified":"2023-04-04T10:29:27","modified_gmt":"2023-04-04T08:29:27","slug":"snow-chaos-in-europe-caused-by-melting-sea-ice-in-the-arctic","status":"publish","type":"post","link":"https:\/\/site.uit.no\/cage\/2021\/04\/13\/snow-chaos-in-europe-caused-by-melting-sea-ice-in-the-arctic\/","title":{"rendered":"Snow chaos in Europe caused by melting sea-ice in the Arctic"},"content":{"rendered":"

The April snow falling on fruit blossoms in Europe these days may be directly connected to the loss of the sea ice in the Barents Sea in the Arctic. That was certainly the case in 2018 when the sudden cold spell known as \u201cBeast from the East\u201d descended on the mid-latitudes of the continent,\u00a0 a new study in Nature Geoscience shows.<\/h4>\n

Text: Maja Sojtaric<\/p>\n

<\/p>\n

They are diligently stoking thousands of bonfires on the ground close to their crops, but the French winemakers are fighting a losing battle. An above-average warm spell at the end of March has been followed by days of extreme cold, destroying the vines with losses amounting to 90 percent above average. The image of the struggle may well be the most depressingly beautiful illustration of the complexities and unpredictability of global climate warming. It is also an agricultural disaster from Bordeaux to Champagne.<\/p>\n

It is the loss of the Arctic sea-ice due to climate warming that has, somewhat paradoxically, been implicated with severe cold and snowy mid-latitude winters.<\/p>\n

\u201cClimate change doesn’t always manifest in the most obvious ways. It’s easy to extrapolate models to show that winters are getting warmer and to forecast a virtually snow-free future in Europe, but our most recent study shows that is too simplistic. We should beware of making broad sweeping extrapolations about the impacts of climate change.\u201d Says CAGE professor Alun Hubbard.<\/p>\n

Melting Arctic sea ice supplied 88% of the fresh snow<\/h2>\n

Hubbard is the co-author of a study in Nature Geoscience<\/a> examining this counter-intuitive climatic paradox: A 50% reduction in Arctic sea-ice cover has increased open-water and winter evaporation to fuel more extreme snowfall further south across Europe.<\/p>\n

\"\"
Professor Alun Hubbard downloading information from an Automatic Weather Station in the Barents Sea. Photo: Private<\/figcaption><\/figure>\n

The study, led by Dr. Hanna Bailey at the University of Oulu, Finland<\/a>, has more specifically found that the long-term decline of Arctic sea-ice since the late 1970s had a direct connection to one specific weather event: \u201cBeast from the East\u201d \u2013 the February snowfall that brought large parts of the European continent to a halt in 2018, causing \u00a31bn a day in losses.<\/p>\n

Researchers discovered that atmospheric vapour traveling south from the Arctic carried a unique geochemical fingerprint, revealing that its source was the warm, open-water surface of the Barents Sea, part of the Arctic Ocean between Norway, Russia, and Svalbard. They found that during the \u201cBeast from the East\u201d, open-water conditions in the Barents Sea supplied up to 88% of the corresponding fresh snow that fell over Europe.<\/p>\n

Climate warming is lifting the lid off the Arctic Ocean<\/h2>\n

\u201cWhat we\u2019re finding is that sea-ice is effectively a lid on the ocean. And with its long-term reduction across the Arctic, we\u2019re seeing increasing amounts of moisture enter the atmosphere during winter, which directly impacts our weather further south, causing extreme heavy snowfalls. It might seem counter-intuitive, but nature is complex and what happens in the Arctic doesn\u2019t stay in the Arctic.\u201d says Bailey.<\/p>\n

\"\"
The Finnish Meteorological Institute’s observation station used in the study, Pallas National Park, Arctic Finland. Source: Jeff Welker<\/figcaption><\/figure>\n

When analyzing the long-term trends from 1979 onwards, researchers found that for every square meter of winter sea-ice lost from the Barents Sea, there was a corresponding 70 kg increase in the evaporation, moisture, and snow falling over Europe.<\/p>\n

Their findings indicate that within the next 60 years, a predicted ice-free Barents Sea will likely become a significant source of increased winter precipitation \u2013 be it rain or snow – for Europe.<\/p>\n

“This study illustrates that the abrupt changes being witnessed across the Arctic now, really are affecting the entire planet.” says professor Hubbard.<\/p>\n

Bailey, H., Hubbard, A., Klein, E.S. et al. Arctic sea-ice loss fuels extreme European snowfall. Nature Geoscience (2021). https:\/\/doi.org\/10.1038\/s41561-021-00719-y<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

The April snow falling on fruit blossoms in Europe these days may be directly connected … <\/p>\n

Read more \u00abSnow chaos in Europe caused by melting sea-ice in the Arctic\u00bb<\/span><\/a><\/p>\n","protected":false},"author":123546,"featured_media":6075,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-6074","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\nSnow chaos in Europe caused by melting sea-ice in the Arctic - CAGE, Centre for Arctic Gas Hydrate, Environment and Climate<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/site.uit.no\/cage\/2021\/04\/13\/snow-chaos-in-europe-caused-by-melting-sea-ice-in-the-arctic\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Snow chaos in Europe caused by melting sea-ice in the Arctic - 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