Sentences with phrase «sea level pressure»

But maps of sea level pressure can also be averaged over several months or years, to show the average circulation patterns in the atmosphere.

The measurement isn't exclusive to dog bite strength, it's used to measure everything from the pressure in a bike tire to the atmospheric sea level pressure.

The weight of the atmosphere's water vapor contributes only about one quarter of one percent of the total sea level pressure of all the gases.

Other climate or climate - related variables of importance may include CO2 concentration, sea - ice extent, mean sea level pressure, sea level, and storm surge frequencies.

The Northwest Pacific basin has a lower background sea level pressure field.

Conversely, low sea level pressure anomalies over the Beaufort Sea and Canada Basin keep the Arctic Ocean pack ice up against the western entrance.

Closed contours over the Pacific Arctic support a continued low sea level pressure in that region, similar to Figure 9, which is not supportive of rapid sea ice loss.

This in turn is influenced by sea level pressure patterns in polar and subpolar regions — as more or less wind and currents are pushed north (Roemmich et al, 2007, Qiu, Bo et al 2006).

However, unusually high sea level pressure centered over northern Scandinavia brought southerly winds from the East Siberian and Barents Seas, contributing to high air temperatures in these regions.

As there are numerous techniques for determining sea level pressures from atmospheric observations, all having limitations, we also compared the SLP fields generated in the above way for general consistency with those generated using an independent method.

A measure of the difference in sea level pressure between the western (e.g., Darwin, Australia) and central / eastern (e.g., Tahiti) equatorial Pacific, representative of the east - west changes in atmospheric circulation associated with the El Nino / Southern Oscillation phenomenon.

In central North America, the cooler winters were primarily due to changes in the northerly winds driven by increased sea level pressure on the west coast of North America.

This AD pattern quickly shifted in the second half of June 2012, however, and was replaced by a more typical low sea level pressure center over the Arctic Ocean.

Variability in sea level pressure decreases on average in the Southern Hemisphere, while in the Northern Hemisphere there are regional differences.»

The station component is a blend of many national and international collections, with the largest contributor being surface and sea level pressure observations from the International Surface Database -LRB-

The map of sea level pressure for October 1 to 30, 2010, shows a high - pressure system cenetered over the Beaufort and Chukchi sea and Greenland, and low pressure over the Kara and Barents seas.

Petrich (University of Alaska Fairbanks); 4.0 Million Square Kilometers with a Possible Range of 3.4 to 5.4 Million Square Kilometers, Likely Range of 3.4 to 4.9 Million Square Kilometers; Heuristic, Statistical Estimate is unchanged from last month and is based on the relationship between June sea level pressure (SLP) and both surface winds and clouds, which are known to drive arctic sea ice reduction in summer.

For stations of type 181, you may get both the Observed Surface Pressure and the Observed Sea Level Pressure.

Mean sea level pressure for 1 - 24 August 2010.

The causal link between this aspect of solar activity and climate seems as nebulous as solar UV / ozone interactions in the stratosphere driving sea level pressure at the poles.

In addition to incorporating data on October Eurasian snow cover extent, sea surface temperature, other inputs into the forecasts include anomalies from the fall season such as sea level pressure anomalies and sea ice concentration anomalies.

This plot shows Arctic sea level pressure difference from average for September 2016.

[See [1982], [1993] and [1997] for details about sea level pressure variations and impacts on Atlantic tropical cyclones.]

The cooling increases polar sea level pressure pushing the storms circling the pole into higher latitudes.

Sea level pressures continued to be predominantly high in the central Arctic through July and early August (Figure 7).

Twice - daily sea level pressure fields, gridded to 2 ° × 2.5 ° (lat × lon), are calculated using the method recommended by the NCEP Reanalysis project, which employs the 1000 HPa (z1000) and 500 HPa (z500) geopotential height fields in the following formula:

A new study in Geophysical Research Letters uses historical climate model simulations to demonstrate that there has been an Arctic - wide decrease in sea level pressure since the 1800's.

By contrast, there has been a detectable human influence on global sea level pressure.

Some work by Clara Deser et al. shows that for some diagnostics (e.g., regional sea level pressure 50 - yr trends, wintertime western U.S temperature, etc) that the sensitivity of trends in their decadal statistics to initial conditions can compete with the sensitivity of those same statistics in responses to increases in GHGs.

This updated dataset includes more data sources than the HadSLP v1.0 and is updated to April 2006, this dataset is documented in an upcoming J. Climate manuscript (Allan, R. and T. Ansell: A new globally - complete monthly historical gridded mean sea level pressure data set (HadSLP2): 1850 - 2004.

A positive summertime sea level pressure anomaly over the central Arctic Basin is featured.

An exception to this last statement is the slight increase in mean RMS error for sea level pressure found in non-flux-adjusted models.