Sentences with phrase «average air temperatures over»

Average air temperatures over land in the Arctic have increased by 3 °C since the beginning of the 20th century.

Average air temperatures over the Arctic Ocean were much higher than normal for the month, reflecting unusual atmospheric conditions.

The chart below, by Zack Labe at the University of California at Irvine, shows how daily average air temperatures over the Arctic (red line) have spent most of January and February substantially above average (white line).

And yet, when you do trends of global data you are averaging air temperatures over intervals where the heat content is not continuous, and thus the trend that is the average temperature does not show the actual trend of the heat content.

Average air temperature over the land and sea surface was 0.56 degrees Celsius above the long - term average, tied with 2010 as the joint warmest year on record.

Not exact matches

The findings were not a total surprise, with future projections showing that even with moderate climate warming, air temperatures over the higher altitudes increase even more than at sea level, and that, on average, fewer winter storm systems will impact the state.

Meanwhile, average air temperatures in the region rose 1.5 °C over the past 5 decades, nearly twice the global average.

Global warming, the phenomenon of increasing average air temperatures near the surface of Earth over...

global warming The increase in Earth's surface air temperatures, on average, across the globe and over decades.

Buildings across both regions were built for the historical climate, which didn't require air conditioning, yet Colorado has seen average temperatures rise 2.5 degrees Fahrenheit over the past 50 years.

This winter, that warmth reached astounding levels, with air temperatures over the Arctic Ocean ranging from 4 °F to 11 °F (2 °C to 6 °C) above average in nearly every region.

Surface air temperatures over the Barents and Kara seas during winter, compared to the 1979 - 2013 average.

A map showing the difference between temperatures on Dec. 30 and averages shows how a potent storm carried extremely warm air over the North Pole.

Thus, small changes of global average air temperature are associated with very large changes in some regions, particularly over land, at mid - to high latitudes, in mountain regions.

«We show that the climate over the 21st century can and likely will produce periods of a decade or two where the globally averaged surface air temperature shows no trend or even slight cooling in the presence of longer - term warming,» the paper says, adding that, «It is easy to «cherry pick» a period to reinforce a point of view.»

However their predictions are about much more than just the average near - surface air temperature, they are mainly focused on how heat mixes into the ocean and how that affects the rise in surface temperature as CO2 is doubled over 100 years.

Average projection of winter surface air temperatures over central Asia (orange line) and the frequency of cold winters (orange bars) for the 21st century.

Surface air temperatures over the Barents and Kara seas during winter, compared to the 1979 - 2013 average.

«Global annually averaged surface air temperature has increased by about 1.8 °F (1.0 °C) over the last 115 years (1901 — 2016).

Air temperatures at 925 millibar (about 3,000 ft above the surface) were mostly above average over the Arctic Ocean, with positive anomalies of 4 to 6º Celsius over the Chukchi and Bering seas on the Pacific side of the Arctic, and over the East Greenland Sea on the Atlantic side.

As LST closely tracks air temperatures over the instrumental period, we can also infer that air temperatures in this region of East Africa varied in concert with the global average and thus were controlled primarily by the major forcings influencing temperatures over this timescale, both natural (solar radiation, volcanism) and anthropogenic (greenhouse - gas emissions; refs 19, 20).

Figure 1 shows the change in the world's air temperature averaged over all the land and ocean between 1975 and 2008.

We might expect «global warming» (i.e., an increase in average surface air temperatures over a few decades) to lead to a rise in global mean sea levels.

The annual anomaly of the global average surface temperature in 2014 (i.e. the average of the near - surface air temperature over land and the SST) was +0.27 °C above the 1981 - 2010 average (+0.63 °C above the 20th century average), and was the warmest since 1891.

According to NOAA's 2016 Arctic Report Card, the average annual surface air temperature anomaly (+3.6 °F / 2.0 °C relative to the 1981 - 2010 baseline) over land north of 60 ° N between October 2015 and September 2016 was by far the highest in the observational record beginning in 1900.

A number is pulled out of the air with no justification (that stuff averages out over 15 years), and the supporting evidence of this is that we can measure global temperature averages.

Running 60 - month averages of European air temperature at a height of two metres over land (left - hand axis) according to different datasets: ERA - Interim (Copernicus Climate Change Service, ECMWF); GISTEMP (NASA); HadCRUT4 (Met Office Hadley Centre), NOAAGlobalTemp (NOAA); and JRA - 55 (JMA).

Internal variability can only account for ~ 0.3 °C change in average global surface air temperature at most over periods of several decades, and scientific studies have consistently shown that it can not account for more than a small fraction of the global warming over the past century.

October air temperatures at the 925 hPa level (about 2,500 feet above sea level) were unusually high over most of the Arctic Ocean (Figure 2c), especially over the Beaufort and Chukchi Seas and over the East Greenland Sea (up to 8 degrees Celsius or 14 degrees Fahrenheit above the 1981 to 2010 average).

The fact this is seemingly not fully recognized — or here integrated — by Curry goes to the same reason Curry does not recognize why the so called «pause» is a fiction, why the «slowing» of the «rate» of increase in average ambient global land and ocean surface air temperatures over a shorter term period from the larger spike beyond the longer term mean of the 90s is also meaningless in terms of the basic issue, and why the average ambient increase in global air temperatures over such a short term is by far the least important empirical indicia of the issue.

The purpose of this study is to examine the impact of the NAO on projected changes in winter (December - March average) terrestrial surface air temperature (SAT) and precipitation (P) over the next 30 — 50 years.

Running four - month averages of anomalies over land areas for SW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to March 2018.

By contrast, air temperatures over the Antarctic region for the same period were above average in some areas, such as the Antarctic Peninsula and near the pole, but below average in others.

Running four - month averages of anomalies over land areas for NE Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to March 2018.

Running four - month averages of anomalies over land areas for SW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to February 2018.

Air temperatures at the 925 hPa level (approximately 2,500 feet above sea level) were more than 3 degrees Celsius (5 degrees Fahrenheit) above the 1981 to 2010 average over the central Arctic Ocean and northern Barents Sea, and as much as 5 degrees Celsius (9 degrees Fahrenheit) above average over the Chukchi Sea.

Running four - month averages of anomalies over land areas for NW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to February 2018.

From the Executive Summary: «Global annually averaged surface air temperature has increased by about 1.8 °F (1.0 °C) over the last 115 years (1901 — 2016).

Following a warming trend early in the 20th century and mid-century cooling, surface air temperatures in the Arctic have shown a strong increase over the last few decades, warming at about twice the global average.

· On average, between 1950 and 1993, night - time daily minimum air temperatures over land increased by about 0.2 °C per decade.

Forecasts of March near - surface air temperatures compared to the 1981 - 2010 average over Europe initialized in mid-January, before the SSW (top left), and after (bottom center).

The time series uses - an area - weighted average of the surface air temperature over land and the temperature of water at the ocean's surface.

Buildings across both regions were built for the historical climate, which didn't require air conditioning, yet Colorado has seen average temperatures rise 2.5 degrees Fahrenheit over the past 50 years.

What the report says about climate change and the Arctic: Over the past 50 years, near - surface air temperatures across Alaska and the Arctic have increased at a rate more than twice as fast as the global average.

Remember that post 9/11 contrail study, which supposedly showed that the average daily temperature over the continental US suddenly widened in the 3 days after the September 11 terrorist attacks, when all commercial air traffic was banned from American skies?

(1) there is established scientific concern over warming of the climate system based upon evidence from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and rising global average sea level;

Over the past 60 years, Alaska has warmed more than twice as rapidly as the rest of the United States, with state - wide average annual air temperature increasing by 3 °F and average winter temperature by 6 °F, with substantial year - to - year and regional variability.1 Most of the warming occurred around 1976 during a shift in a long - lived climate pattern (the Pacific Decadal Oscillation [PDO]-RRB- from a cooler pattern to a warmer one.

the composite or generally prevailing WEATHER CONDITIONS of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years.

For example, Figure 1 shows that one GCM simulation underestimated the observed average maximum surface air temperature over the eastern US during five summers by 4.6 °C (8.3 °F).

Global temperatures usually are described in terms of the surface air temperature anomaly, the deviation of the temperature at each site from a mean of many years that is averaged over the whole world, both land and oceans.