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[15] The last decade was the warmest in the record.[18]. A Serbian heatwave, unusually high temperatures in Northern Russia, and the early decline of last year’s sea ice have all contributed to the region’s sea temperature rising a whopping 5-degrees Celsius above average.This rise in temperature has, in turn, resulted in the lack of Arctic … The warmest water temperature Arctic Ocean now is 6°C/42.8°F (in Murmansk), and the coldest sea surface temperature today is -1.8°C/28.8°F (in Prudhoe Bay). At its maximum extent, in March, sea ice covers about 15 million km² (5.8 million sq mi) of the Northern Hemisphere, nearly as much area as the largest country, Russia.[8]. The Bering Sea is influenced by the North Pacific storm track, and has annual precipitation totals between 400 and 800 mm (16 and 31 in), also with a winter maximum. As a result, precipitation amounts over these parts of the basin are larger in winter than those given above. As a result of these influences, the average temperature in these areas in January is considerably higher, between about −20 to −4 °C (−4 to 25 °F). Minimum temperatures in winter over the higher parts of the ice sheet can drop below −60 °C (−76 °F)(CIA, 1978). By May, temperatures are rising, as 24-hour daylight reaches many areas, but most of the Arctic is still snow-covered, so the Arctic surface reflects more than 70% of the sun's energy that reaches it over all areas but the Norwegian Sea and southern Bering Sea, where the ocean is ice free, and some of the land areas adjacent to these seas, where the moderating influence of the open water helps melt the snow early.[2]. The warm air transported into these regions also mean that liquid precipitation is more common than over the rest of the Arctic Basin in both winter and summer. The mercury in Nizhnyaya Pesha, in the far north, reached the temperature in the afternoon. NPR's Rebecca Hersher reports. The official confirmation was requested by the World Meteorological Organization. As such, the climate of much of the Arctic is moderated by the ocean water, which can never have a temperature below −2 °C (28 °F). The ice may be bare ice, or it may be covered by snow or ponds of melt water, depending on location and time of year. During these early months of Northern Hemisphere spring most of the Arctic is still experiencing winter conditions, but with the addition of sunlight. The interior ice sheet remains snow-covered throughout the summer, though significant portions do experience some snow melt. Anomalies are calculated from a 1981-2010 baseline. For this reason, travelers to the Arctic are urged to pack warm clothing, even if they are traveling during the summer. ", #Arctic sea ice extent near Siberia remains well below any previous year in the satellite era record... pic.twitter.com/Bm85gWA0SJ. It was the northern parts of the Taymyr Peninsula that experienced the biggest temperature deviation. The temperature averaged over all land in Arctic Siberia combined was more than 5 degrees above normal, and more than a degree higher than in 2018 and 2019, the two previous warmest Junes. Temperature anomalies in May 2020, expressed as standard deviations from the average 1981-2010 in the @CopernicusECMWF #ERA5 reanalysis. Get the latest breaking news delivered straight to your inbox. Expeditions from the 1760s to the middle of the 19th century were also led astray by attempts to sail north because of the belief by many at the time that the ocean surrounding the North Pole was ice-free. The result is winter temperatures that are lower than anywhere else in the Arctic, with average January temperatures of −45 to −30 °C (−49 to −22 °F), depending on location and on which data set is viewed. The Arctic is often perceived as a region stuck in a permanent deep freeze. On Tuesday, a town in the Sakha Republic, 450 miles north-northwest of Verkhoyansk, and also 450 miles north of the Arctic Circle steps from the Arctic Ocean's Laptev Sea, hit an astonishing 93 degrees Fahrenheit. In the coldest parts of Canada's Arctic – the northwest and parts of Ellesmere Island – temperatures as low as -50°C are not uncommon. To see the details, select the country and then the city of your interest. In the decades that followed submarines regularly roamed under the Arctic sea ice, collecting sonar observations of the ice thickness and extent as they went. The longer the heat dome lasts, the more it feeds back on itself, intensifying the heat wave. In the figure below showing station climatologies, the plot for Yakutsk is representative of this part of the Far East; Yakutsk has a slightly less extreme climate than Verkhoyansk. This map was made in the 1970s, and the extent of sea ice has decreased since then (see below), but this still gives a reasonable overview. Annual surface air temperatures over the last 4 years (2016–2019) in the Arctic (60°–85°N) have been the highest on record. [15][16] However, during the last 100 years temperatures have been rising, despite the fact that the continued changes in earth's orbit would have driven further cooling. pic.twitter.com/n87VwaoQav, The staggering pace of warming in the Arctic is causing systemic changes. [9], During all seasons, the strongest average winds are found in the North-Atlantic seas, Baffin Bay, and Bering and Chukchi Seas, where cyclone activity is most common. Since measurements started in year 1881, summer temperatures in the Arctic have never been this high. In July, 40% to 60% of observations reporting precipitation indicate it was frozen (Serreze and Barry 2005). Temperature in the Russian Arctic Circle reached 30C yesterday. There is a large amount of variability in climate across the Arctic, but all regions experience extremes of solar radiation in both summer and winter. Without urgent action to cut greenhouse gas emissions, the world will continue to feel the effects of a warming Arctic: rising sea levels, changes in climate and precipitation patterns, increasing severe weather events, and loss of fish stocks, birds and marine mammals. Around the edges of the Arctic Ocean the ice will melt and break up, exposing the ocean water, which absorbs almost all of the solar radiation that reaches it, storing the energy in the water column. These maps were made with data from the NCEP/NCAR Reanalysis, which incorporates available data into a computer model to create a consistent global data set. However, the high elevation, and corresponding lower temperatures, help keep the bright snow from melting, limiting the warming effect of all this solar radiation. In general, Arctic winters are long and cold while summers are short and cool. First is the ice-albedo feedback, whereby an initial warming causes snow and ice to melt, exposing darker surfaces that absorb more sunlight, leading to more warming. Climate action needs American leadership, U.N. chief says, Fire devastates world's largest sand island, COVID lockdowns' impact on greenhouse gas emissions a "tiny blip", California Privacy/Information We Collect. [13] Decreases in sea-ice extent and thickness are expected to continue over the next century, with some models predicting the Arctic Ocean will be free of sea ice in late summer by the mid to late part of the century. As a result, the most complete collection of surface observations from the Arctic is for the period 1960 to 1990.[2]. The lowest officially recorded temperature in the Northern Hemisphere is −67.7 °C (−89.9 °F) which occurred in Oymyakon on 6 February 1933, as well as in Verkhoyansk on 5 and 7 February 1892, respectively. Temperatures in the Siberian Arctic reached record averages in June, with some areas seeing rises of as much as 10C (18F), according to EU data. NOAA's North Pole Web Cams having been tracking the Arctic summer sea ice transitions through spring thaw, summer melt ponds, and autumn freeze-up since the first webcam was deployed in 2002–present. At the North Pole on the June solstice, around 21 June, the sun circles at 23.5° above the horizon. Based on weather reports collected during 2005–2015. [15] Samples from ice cores, tree rings and lake sediments from 23 sites were used by the team, led by Darrell Kaufman of Northern Arizona University, to provide snapshots of the changing climate. According to the University of Maine's Climate Reanlayzer, this weekend the Arctic Circle was an average 12 degrees Fahrenheit above normal. In September and October the days get rapidly shorter, and in northern areas the sun disappears from the sky entirely. ", First published on July 1, 2020 / 12:11 PM. Twentieth Century … The Arctic Winter From December to March, most areas in the Arctic have an average daily temperature which is less than -20°C, with the coldest month often being February – as opposed to January in other Canadian localities. Of January observations reporting precipitation, 95% to 99% of them indicate it was frozen. Modern researchers in the Arctic also benefit from computer models. These reanalysis datasets help compensate for the lack of observations over the Arctic. The average temperature of the Arctic has increased 2.3°C since the 1970s. November 21 came with temperatures 10-12°C higher than normal 30 years ago, according to the Climate Change Institute with the University of Maine. Individual weather stations around the Arctic show remarkably consistent temperature patterns similar to those in Figure … Like all of the world’s oceans, global warming has had a significant impact on the Arctic Ocean. For the entire Arctic, the heat was on average 6,7°C higher than normal. The 24-hour days found near the poles in summer result in a large daily-average solar flux reaching the top of the atmosphere in these regions. In winter, this relatively warm water, even though covered by the polar ice pack, keeps the North Pole from being the coldest place in the Northern Hemisphere, and it is also part of the reason that Antarctica is so much colder than the Arctic. So the ocean warms the air a bit. On average, these motions carry sea ice from the Russian side of the Arctic Ocean into the Atlantic Ocean through the area east of Greenland, while they cause the ice on the North American side to rotate clockwise, sometimes for many years. Annual precipitation amounts given below for Greenland are from Figure 6.5 in Serreze and Barry (2005). While much of the region does experience very low temperatures, there is considerable variability with both location and season. The average air temperature in the Arctic was 1.3°C (2.3°F) warmer between October 2014 and September 2015, when compared to the 1981 to 2010 average. While weather forecasts use near surface air temperatures, Sentinel-3 measures the amount of energy radiating from Earth’s surface. All variables are measured at relatively few stations in the Arctic, but precipitation observations are made more uncertain due to the difficulty in catching in a gauge all of the snow that falls. The name of the graphic comes from its resemblance to a hockey stick showing a vertical leap in temperatures at the very end of the past 1,000-year temperature record. By the early 19th century some expeditions were making a point of collecting more detailed meteorological, oceanographic, and geomagnetic observations, but they remained sporadic. The … More precipitation falls in winter, when the storm track is most active, than in summer. Therefore, temperature tends to decrease with increasing latitude. It's clear that human-caused climate change plays a significant role in boosting the intensity of heat waves. An essentially ice-free Arctic may be a reality in the month of September, anywhere from 2050 to 2100.[4]. The Arctic is warming at a rate of almost twice the global average. These stations collected data that are valuable to this day for understanding the climate of the Arctic Basin. For example, the average increase in temperature on Earth over the past 40 years is 1.44°F. In central Canada, temperatures this week along the shores of Hudson Bay are maxing out in the 90s. The west coast of the central third of Greenland is also influenced by some cyclones and orographic lift, and precipitation totals over the ice sheet slope near this coast are up to 600 mm (24 in) per year. [Data from @ECMWF ERA5 reanalysis] pic.twitter.com/ssAHCuBvRo. In the interior, temperatures are kept from rising much above freezing because of the snow-covered surface but can drop to −30 °C (−22 °F) even in July. The results highlighted that for around 1,900 years temperatures steadily dropped, caused by precession of earth's orbit that caused the planet to be slightly farther away from the sun during summer in the Northern Hemisphere. The volume of Arctic sea-ice in the month of September 2019 (after the melting season) has declined by more than 50% compared to the mean value for 1979–2019. Monthly precipitation totals over most of the Arctic Basin average about 15 mm (0.59 in) from November through May, and rise to 20 to 30 mm (0.79 to 1.18 in) in July, August, and September (Serreze and Hurst 2000). Sometimes that is true, because Arctic air often spreads southward in winter to regions well outside the Arctic Circle. "I am still much more alarmed by the persistence of the record warmth — since December 2019, western Siberia temperatures have averaged nearly 9°F above average (1981-2010), which is quite astounding.". The winter ice cover allows temperatures to drop much lower in these regions than in the regions that are ice-free all year. 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The dry winters result from the low frequency of cyclones in the region during that time, and the region's distance from warm open water that could provide a source of moisture (Serreze and Barry 2005). (1400m asl) @WeatherProf . In Antarctica, the average annual temperature ranges from -76 degrees Fahrenheit at the most elevated parts of the interior to 14 degrees along the … Today's satellite instruments provide routine views of not only cloud, snow, and sea-ice conditions in the Arctic, but also of other, perhaps less-expected, variables, including surface and atmospheric temperatures, atmospheric moisture content, winds, and ozone concentration. The higher temperatures have grave effects on the permafrost that is melting rapidly across the region. Finally, weather in the Arctic is noted for its unpredictability, with storms and clouds developing at a moment’s notice. These pieces of software are sometimes relatively simple, but often become highly complex as scientists try to include more and more elements of the environment to make the results more realistic. "This warming increases the risk of extreme Arctic heat waves, such as this one, and moving forward over the next few decades," says Labe. Norwegians are fully enjoying the warm weather , skiing in bathing suites near the Sognefjell Pass. Just days ago, Gavin Schmidt, the director of the NASA Goddard Institute for Space Studies, corrected the reference by providing evidence that the rate of Arctic warming is actually three times faster. In the station-climatology figure above, the plots for Point Barrow, Tiksi, Murmansk, and Isfjord are typical of land areas adjacent to seas that are ice-covered seasonally. In 1958 an American nuclear submarine, the Nautilus was the first ship to reach the North Pole. By November, winter is in full swing in most of the Arctic, and the small amount of solar radiation still reaching the region does not play a significant role in its climate. The Arctic Basin is one of the driest parts of the Arctic. Finally, changes in atmospheric and oceanic circulation patterns caused by a global temperature change may cause more heat to be transferred to the Arctic, enhancing Arctic warming. Svalbard is a Norwegian archipelago in the Arctic Ocean.The climate of Svalbard is principally a result of its latitude, which is between 74° and 81° north.Climate is defined by the World Meteorological Organization as the average weather over a 30-year period. Wind speeds over the Arctic Basin and the western Canadian Archipelago average between 4 and 6 metres per second (14 and 22 kilometres per hour, 9 and 13 miles per hour) in all seasons. Now that temperature record has been verified by Russia's state weather authority. However, this region is not part of the Arctic because its continental climate also allows it to have warm summers, with an average July temperature of 15 °C (59 °F). Climatically, Greenland is divided into two very separate regions: the coastal region, much of which is ice free, and the inland ice sheet. Differences in surface albedo due for example to presence or absence of snow and ice strongly affect the fraction of the solar radiation reaching the surface that is reflected rather than absorbed. By Jeff Berardelli July 1, 2020 / 12:11 PM / CBS News In the coldest parts of Canada's Arctic – the northwest and parts of Ellesmere Island – temperatures as low as -50°C are not uncommon. In summer, the coastal regions of Greenland experience temperatures similar to the islands in the Canadian Archipelago, averaging just a few degrees above freezing in July, with slightly higher temperatures in the south and west than in the north and east. Minimum temperatures in this region in winter are around −50 °C (−58 °F). 93 F right near the Arctic Ocean. Stroeve, J., Holland, M.M., Meier, W., Scambos, T. and Serreze, M., 2007. Likewise the United States and Canadian governments cut back on spending for Arctic observing as the perceived need for the DEWLINE declined. Most of the Basin receives less than 250 mm (9.8 in) of precipitation per year, qualifying it as a desert. Average January temperatures range from about —40 to 0° C (-40 to +32° F), while winter temperatures can drop below —50° C (-58° F) over large parts of the Arctic. The first major effort by Europeans to study the meteorology of the Arctic was the First International Polar Year (IPY) in 1882 to 1883. Civilian scientific research on the ground has certainly continued in the Arctic, and it is getting a boost from 2007 to 2009 as nations around the world increase spending on polar research as part of the third International Polar Year. They are also used to try to predict future climate and the effect that changes to the atmosphere caused by humans may have on the Arctic and beyond. The average annual surface air temperature over land north of 60° N for October 2018 to September 2019 was the second warmest (after 2015/16) in the observational record beginning in 1900. Smaller regions of the Arctic Basin just north of Svalbard and the Taymyr Peninsula receive up to about 400 mm (16 in) per year (Serreze and Hurst 2000). During these two years thousands of scientists from over 60 nations will co-operate to carry out over 200 projects to learn about physical, biological, and social aspects of the Arctic and Antarctic (IPY). Prior to the starting point of the study 12,000 years ago, the Earth was engulfed in an Ice Age. Greenland: The interior of Greenland differs from the rest of the Arctic. Over most areas snow is the dominant, or only, form of precipitation in winter, while both rain and snow fall in summer (Serreze and Barry 2005). The Arctic Basin is typically covered by sea ice year round, which strongly influences its summer temperatures. The temperature averaged over all land in Arctic Siberia combined was more than 5 degrees above normal, and more than a degree higher than in 2018 and 2019, the two previous warmest Junes. National Aeronautics and Space Administration. It also experiences the longest period without sunlight of any part of the Arctic, and the longest period of continuous sunlight, though the frequent cloudiness in summer reduces the importance of this solar radiation. Source: ERA5. Treshnikov), 1985: This page was last edited on 3 December 2020, at 01:14. Variations in the amount of solar radiation reaching different parts of the Earth are a principal driver of global and regional climate. Beginning in 1979 the Arctic Ocean Buoy Program (the International Arctic Buoy Program since 1991) has been collecting meteorological and ice-drift data across the Arctic Ocean with a network of 20 to 30 buoys. Fifty years after the first IPY, in 1932 to 1933, a second IPY was organized. Second, because colder air holds less water vapour than warmer air, in the Arctic, a greater fraction of any increase in radiation absorbed by the surface goes directly into warming the atmosphere, whereas in the tropics, a greater fraction goes into evaporation. The extensive array of satellite-based remote-sensing instruments now in orbit has helped to replace some of the observations that were lost after the Cold War, and has provided coverage that was impossible without them. This record was lengthened in the early 1990s when two deeper cores were taken from near the center of the Greenland Ice Sheet. Much of the ice sheet remains below freezing all year, and it has the coldest climate of any part of the Arctic. Where it does rise, the days are short, and the sun's low position in the sky means that, even at noon, not much energy is reaching the surface. The Labrador, Norwegian, Greenland, and Barents Seas and Denmark and Davis Straits are strongly influenced by the cyclones in the North Atlantic storm track, which is most active in winter. The continued low temperatures, and the persisting white snow cover, mean that this additional energy reaching the Arctic from the sun is slow to have a significant impact because it is mostly reflected away without warming the surface. The lowest extreme temperatures in the winter are between −65 and −50 °F (−54 and −46 °C). The interior ice sheet escapes much of the influence of heat transfer from the ocean or from cyclones, and its high elevation also acts to give it a colder climate since temperatures tend to decrease with elevation. Today it's the 9th day with Tmax over 30C in central Norway so far. As a result, these regions receive more precipitation in winter than in summer. Annual precipitation totals increase quickly from about 400 mm (16 in) in the northern to about 1,400 mm (55 in) in the southern part of the region. During the 46-year period when weather records were kept on Shemya Island, in the southern Bering Sea, the average temperature of the coldest month (February) was −0.6 °C (30.9 °F) and that of the warmest month (August) was 9.7 °C (49.5 °F); temperatures never dropped below −17 °C (1 °F) or rose above 18 °C (64 °F); Western Regional Climate Center). Along the coast, temperatures are kept from varying too much by the moderating influence of the nearby water or melting sea ice. Print . During the winter months of November through February, the sun remains very low in the sky in the Arctic or does not rise at all. © 2020 CBS Interactive Inc. All Rights Reserved. As the Arctic continues receiving energy from the sun during this time, the land, which is mostly free of snow by now, can warm up on clear days when the wind is not coming from the cold ocean. [12], According to the Intergovernmental Panel on Climate Change (IPCC), "warming of the climate system is unequivocal", and the global-mean temperature has increased by 0.6 to 0.9 °C (1.1 to 1.6 °F) over the last century. Phenomena such as El Niño or La Niña, which warm or cool the tropical Pacific Ocean, can contribute to short-term variations in global average temperature. Despite its location centered on the North Pole, and the long period of darkness this brings, this is not the coldest part of the Arctic. Over Baffin Island and the smaller islands around it, annual totals increase from just over 200 mm (7.9 in) in the north to about 500 mm (20 in) in the south, where cyclones from the North Atlantic are more frequent (Serreze and Hurst 2000). Phenomena such as El Niño or La Niña, which warm or cool the tropical Pacific Ocean, can contribute to short-term variations in global average temperature. This effect is most pronounced with more warming. Temperature proxies suggest that over the last 8000 years the climate has been stable, with globally averaged temperature variations of less than about 1 °C (34 °F); (see Paleoclimate). Much of the precipitation reported in winter is very light, possibly diamond dust. The largest temperature increases are in the Arctic and the Antarctic Peninsula. Annual totals here range from less than 100 to about 200 mm (4 to 8 in). Since there is no sunlight, the thermal radiation emitted by the atmosphere is one of this region's main sources of energy in winter. For the period before modern thermometers, they relied on a variety of temperature estimates based on what scientists call proxy records — clues like fossils buried in sediments, such as shells and pollen, that reveal what climate conditions were like in the ancient past. This definition of the Arctic can be further divided into four different regions: Moving inland from the coast over mainland North America and Eurasia, the moderating influence of the Arctic Ocean quickly diminishes, and the climate transitions from Arctic to subarctic, generally in less than 500 kilometres (310 miles), and often over a much shorter distance. Straits between these islands often remain covered by sea ice extent is melting rapidly across region... Basin just North of Svalbard and the British navy implemented a system of drifting North Pole receives sunlight... Water temperature on the Arctic and occasionally some other climate-related information absorb even more,. 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