Sentences with phrase «snow extent on»

Tyrrell, N. L., Karpechko, A. Y., and Räisänen, P.: The influence of Eurasian snow extent on the northern extratropical stratosphere in a QBO resolving model.

Not exact matches

An image of an area of the Arctic sea ice pack well north of Alaska, captured by the MODIS instrument on NASA's Aqua satellite on Sept. 13, 2013, the day before the National Snow and Ice Data Center estimated Arctic sea ice to have reached its minimum extent for the year.

The Arctic's ice cover appears to have reached its minimum extent on September 10, 2016, according to scientists at the National Snow and Ice Data Center (NSIDC).

Antarctic sea ice extent reached a record high this year on 22 September, topping 20 million square kilometers for the first time since 1979, according to the National Snow and Ice Data Center.

The study marks the first time that human influence on the climate has been demonstrated in the water cycle, and outside the bounds of typical physical responses such as warming deep ocean and sea surface temperatures or diminishing sea ice and snow cover extent.

A: The National Snow and Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 1970s.

This was the third smallest January extent since records began in 1979, according to analysis by the National Snow and Ice Data Center based on data from NOAA and NASA.

On the monthly scale, the December and January snow cover extents were below average, while the February snow cover extent was above average.

This was the fourth smallest December extent since records began in 1979, according to analysis by the National Snow and Ice Data Center based on data from NOAA and NASA.

North American snow cover extent was slightly below average while the Eurasian snow cover extent was the second largest on record.

On September 10, Arctic sea ice reached its annual minimum extent at 1.60 million square miles, statistically tying 2007 as the second smallest extent in the 1979 — 2016 satellite record, according to the National Snow and Ice Data Center.

The average Arctic sea ice extent for December was 4.67 million square miles, according to analysis by the National Snow and Ice Data Center based on data from NOAA and NASA.

Synopsis: The planet has cooled down to the extent that it snows even in July and people are dying of mysterious causes, while the global economy is on the v...

According to the recent report by the Intergovernmental Panel on Climate Change satellite data show that there are very likely to have been decreases of about 10 % in the extent of snow cover since the late 1960s.

ScienceDaily (Oct. 3, 2008)-- Arctic sea ice extent during the 2008 melt season dropped to the second - lowest level since satellite measurements began in 1979, reaching the lowest point in its annual cycle of melt and growth on Sept. 14, according to researchers at the University of Colorado at Boulder's National Snow and Ice Data Center.»

The National Snow and Ice Data Center released its summary of summer sea - ice conditions in the Arctic on Tuesday, noting a substantial expansion of the extent of «second - year ice» — floes thick enough to have persisted through two summers of melting.

Specifically, I use a formula based on physics of energy absorption, using snow cover, and June ice extent / area numbers.

Snow extent has fallen as well, though climate denialists argue otherwise by focusing on the winter months, while ignoring the spring and summer months.

Satellites do snow extent very easily; there are also satellite - derived data sets on snow water equivalent

On September 12, 2009, sea ice in the Arctic Ocean most likely reached its minimum extent for 2009, said the National Snow and Ice Data Center.

The range of ocean remaining frozen over the northern polar region reached its minimum extent for 2009 on September 12, when it covered 1.97 million square miles (5.1 million square km), and now appears to be growing again as the Arctic starts its annual cool - down, the National Snow and Ice Data Center reported.

According to the National Snow and Ice Data Center (NSIDC, Sept. 20 report), the annual sea ice minimum extent was reached on Sept. 13, 2013.

Walsh, J.E. 1978 A data set on Northern Hemisphere sea ice extent World Data Center - A for Glaciology (Snow and Ice), «Glaciological Data, Report GD - 2», part 1, pp. 49 - 51 http://arctic.atmos.uiuc.edu/SEAICE/, accessed 12/25/2009.

Mark Serreze, director of the National Snow and Ice Data Center, told the Guardianlast year: «The extent is going down, but it is also thinning... There will be ups and downs, but we are on track to see an ice - free summer by 2030.»

Scientists with the National Snow and Ice Data Center in Boulder, Colorado, reported on Monday that Arctic sea ice extent this September reached a record low of 1.65 million square miles (4.28 million square kilometers).

Abrupt and severe temperature shifts have occurred on occasion in the past, typically separated by hundreds of years or more, but shifts of this magnitude that are global in extent have almost always occurred during glacial eras, when the extent of snow and ice allowed for great changes in feedback in response to only modest signals.

The National Snow and Ice Data Center (NSIDC) issued a preliminary announcement on September 19 noting that it was likely the minimum extent for the year and the lowest extent observed in the 33 - year satellite record.

«A graph based on official data shows that snow extent in the northern hemisphere last autumn was the second greatest on record since 1967, and that five of the snowiest have come since 2010.»

On March 22, the National Snow and Ice Data Center (NSIDC) announced record low sea ice seasonal extents for both hemispheres.

The average Arctic sea ice extent for December was 4.67 million square miles, according to analysis by the National Snow and Ice Data Center based on data from NOAA and NASA.

The sea ice monthly extent for September 2012 was 3.6 million square kilometers, based on National Snow and Ice Data Center (NSIDC) estimates, a full 1.0 million square kilometers below the 2011 value (Figure 1).

The average arctic sea ice monthly extent for September 2012 was the lowest observed in the satellite era at 3.6 million square kilometers, based on National Snow and Ice Data Center (NSIDC) estimates — 50 % lower than the 1979 - 2000 average of 7.0 million square kilometers.

Note: 12 - month running anomalies of monthly snow extent are plotted on the 7th month using values from November 1966 to December 2017.

This Section places particular emphasis on current knowledge of past changes in key climate variables: temperature, precipitation and atmospheric moisture, snow cover, extent of land and sea ice, sea level, patterns in atmospheric and oceanic circulation, extreme weather and climate events, and overall features of the climate variability.

Depending on the depth and extent of the cold air mass, the overriding warm Atlantic air can cause different parts of the state to simultaneously experience rain, freezing ice, sleet and snow.

According to a preliminary analysis of satellite data by scientists at NASA and the National Snow and Ice Data Center (NSIDC), sea ice extent shrank to 4.41 million square kilometers (1.70 million square miles) on September 11, 2015.

NMEFC of China (Li and Li), 4.02 (3.10 - 4.57), Statistical We predict the September monthly average sea ice extent of Arctic by statistic method and based on monthly sea ice concentration and extent from National Snow and Ice Data Center.

Although a number of scientists are hollering that 2017 was «among the warmest on record», we are not seeing any manifestation of this, at least over the northern hemisphere, where ironically snow and ice have shown surprising extents.

For example, in snow events or heavy rain events, having access to high density surface data will give extra confidence in the extent and development of such events, helping provide rapid updated guidance on the evolution of such weather situations.

NOAA also says that Arctic sea ice was «below normal for the 11th consecutive April» while «based on NOAA satellite observations, snow cover extent was the fourth - lowest on record» since... Read more

Advance research on the interactions between arctic sea ice and global physical systems such snow cover extent, ocean and atmospheric circulation patterns, and mid-latitude effects.

On September 9, the sea ice extent was very close to the record low set in 2007, according to the National Snow and Ice Data Center (NSIDC).

See the Shrinking Arctic Sea Ice The National Snow and Ice Data Center released preliminary numbers on the minimum extent of Arctic sea ice, calling this year's minimum the second lowest on record.

It's Official: 2011 Sea Ice Second Lowest on Record A few weeks ago, the National Snow and Ice Data Center offered an initial assessment of Arctic sea ice that showed that the minimum extent for the year was the second lowest on record.

Critique 1) I have no idea about any cleansing, homogenisation or aggregation performed on this data prior to its presentation by Rutgers 2) Snow extent is only 1 part of the issue, thickness and mass would need to be considered for a full picture 3) I haven't taken care to provide exactly similar sample sizes, however the F and t methods do not require it 4) I haven't taken care to ensure that the same number of winter periods are present in each sample batch; this would increase the risk of a false positive and would have required further investigation if a weak indication of significance had been detected.

With this being the «warmest winter on record» per the warmers and this now doccumented record snow extent, there is certainly enough observational evidence to further research my theory that the rise of man made CO2 in the atmosphere has increased the freezing point of water by about 5degrees F.

Now the data assessed on the decadal scale shows no reason to divert from the null hypotheses that snow extent is randomly hovering about a stable mean, although we have identified some concerns with variability (In winter snow only (periods 12,01,02)-RRB- The question still remains as to whether there are shorter period trends or particular years that are unusual.