Sentences with phrase «of upper air»

In the piece mentioned two weeks ago (UV Feb. 22; # 337), Dr. Michael Ventrice reached for a forecast of upper air in the West Pacific that called for «two pair» of equator - straddling cyclonic systems — to help give birth to an El Nino.

Their conclusion highlights the influence of upper air dynamics, a globally coherent system, and its importance to the moisture content of air near the surface, a regional phenomenon with strong local patterns.

Basic fields are displayed (surface MSL pressure, temperature, dewpoint, winds), along with short - term (0 - 2 hour) forecasts of upper air conditions.

A number of statistical downscaling techniques (see Section 13.4 and Chapter 10, Section 10.6, for definition) used in scenario development employ Numerical Weather Prediction (NWP) reanalysis data products as a source of upper air climate data (Kalnay et al., 1996).

The major uncertainties in satellite measurements of upper air temperature are due to sensor and spacecraft biases and instabilities, the characteristics of which need to be estimated by performing satellite intercalibrations during overlapping intervals.

Given reliable measurements, as outlined in Recommendation # 1, the level of confidence that can be attached to the trends will increase as the period of record of upper air measurements lengthens.

Subsequent exploration of the upper air, and the recognition that jet streams were both highly coherent in time and provided a guide to the evolution of surface depressions, led to the full flowering of the synoptic forecasting method in the mid 20th century.

I do them myself two ways, one while using the sun as a fixed sphere of reference, the other by taking all of upper air radiosonde data, condensating them to one readable number in degrees Kelvin.

To protect the animals in your care as well as your business, PetAirapy has led the way in cleaning or sanitizing the air and surfaces with a number of upper air and surface disinfectant systems, as well as HVAC and mobile service systems that clear away germs, bacteria and viruses such as Distemper, MRSA, Canine Parvovirus, and so many more.

Not exact matches

Once we were in the air, the bar in the back of the upper level of the plane opened, doling out finger sandwiches and more snacks.

And so he drew up a grid over Europe, each cell incorporating Bjerknes's weather data, including locational variables such as the extent of open water affecting evaporation, and five vertical divisions in the upper air.

She sees faint gyres of dust in the hot upper air.

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The stretch - knit upper and Flywire cables provide a secure fit while the U-shaped Max Air unit adds plenty of bounce to your step.

IndyCar has done what many feel Formula 1 should be doing and introducing more underbody aero whilst removing many of the winglets and stuff from the upper surfaces which create dirty air.

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He is now aiming to help his side march back towards the more rarefied air in the top - flight's upper reaches — and the ex-Lille man says the fervent support of Evertonians can provide the Blues with an additional and significant boost as they strive to maintain their improvement in domestic form.

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A zip - out panel extends the canopy down to cover the upper half of your child in low angle sun or wind and has air ventilation windows on either side.

A senior Treasury official discerns this schoolmasterly character in many of the governor's communications, rolling his eyes as he recalls a recent King memo beginning: «Let us consider...» In its upper echelons, there is still an air of the senior common room, with its petty rivalries and fractious staff meetings.»

While the temperatures will be cold and the lakes warm, the amount of snow will be limited by the direction of the wind and relatively dry air in the upper atmosphere.

There is longstanding evidence that exposure to high concentrations of air pollution increases the risk for several diseases including heart attacks and European Union (EU) statutory pollution limits are based on absolute upper values.

The upper is made of mesh to let air in and out.

The team found that zapping mixtures of air with electricity, which simulates the chemistry of the upper atmosphere, could produce enriched levels of 15N15N like they measured in air samples.

When the team looked at the overall balance between the radiation upward from the surface of the ice sheet and the radiation both upward and downward from the upper levels of the atmosphere across all infrared wavelengths over the course of a year, they found that in central Antarctica the surface and lower atmosphere, against expectation, actually lose more energy to space if the air contains greenhouse gases, the researchers report online and in a forthcoming Geophysical Research Letters.

The artificial system is used to observe the effects of air pollutants on cells in the upper airway.

That effectively lowers air pressure on the upper surface, lowering drag and generating extra lift (Journal of Thermal Biology, doi.org/f96ggw).

Water vapor seen at these infrared wavelengths is in the upper and middle levels of the troposphere, where the winds are ruled by large - scale air masses.

Instead of vocalizing by passing air through their throats, they sound off by forcing air through passageways in the upper parts of their heads.

The hypothesis relates to an important component in tornado formation: the mixing of warm air on the surface and cold air in the upper atmosphere.

In the winter, intermixing of stratospheric ozone with the troposphere in a process called Stratospheric Tropospheric Exchange (STE) is the chief means of ozone transport into our air, but Dr. Wang says in summertime that process subsides and lightning bolts create significant ozone enhancements in the middle to upper troposphere, particularly in the Southeastern US.

While this circulation is so slow that a blob of air may take decades to travel to the upper atmosphere, it impacts the chemical composition of the global atmosphere because many chemical properties are very different in the lower and upper atmosphere layers.

The main argument in these reviews has been that collisions of similar energies happen daily in the upper atmosphere as cosmic rays slam into atoms in the air and, so far, Earth has survived unscathed.

Every storm chase begins with an assessment of where supercells will burgeon, based on factors from the location of the so - called dry line — separating moist from arid air — to the speeds of upper - level winds.

Harris says many lines of evidence indicate that the reduction of CFCs in the upper atmosphere during the winter months is due to downward air currents, not chemical processes.

As the tide begins to fall, an air valve is opened to connect the upper part of the cylinder to the atmosphere through a snorkel tube.

As the storm moves, a «blob» of cold air builds, particularly in the upper reaches of the towering cumulonimbus clouds that march along at the storm's front.

(Such low air temperatures encourage the formation of icy clouds in the upper atmosphere known as polar stratospheric clouds, which foster the chemical reactions that turn harmless chlorine compounds into ozone eradicators.)

A team led by the University of Colorado Boulder has found the mechanism behind the sudden onset of a «natural thermostat» in Earth's upper atmosphere that dramatically cools the air after it has been heated by violent solar activity.

According to Ulrich Schumann of the DLR, who organised last week's colloquium, NOx concentrations at middle latitudes in the upper troposphere may have doubled in recent years, and the air lanes over the North Atlantic and Europe have around 20 per cent more ozone than other areas.

In the main North Atlantic air corridor, a sharp difference also exists between the height of the tropopause north and south of the jet stream, a kind of natural high - speed wind tunnel in the upper atmosphere.

8 So candle flames are blue at the bottom because that's where they take up fresh air, and yellow at the top because the rising fumes from below partly suffocate the upper part of the flame.

In 2009, AWI scientists conducted a research cruise in the west Pacific, where strong thunderstorms push air from the troposphere up to the stratosphere, serving as a main source of air for the upper layer.

When a high - energy gamma ray from a blazar strikes air molecules in the upper regions of Earth's atmosphere, it produces a cascade of charged subatomic particles.

Oceanographers may have solved one of the biggest sea mysteries in years: why the upper ocean didn't warm between 2003 and 2010, even as heat - trapping greenhouse gases accumulated in the air above.

In the winter, intermixing of stratospheric ozone with the troposphere in a process called Stratospheric Tropospheric Exchange (STE) is the chief means of ozone transport into our air, but Dr. Wang says in summertime that process subsides and lightning bolts create significant ozone enhancements in the middle to upper troposphere, particularly in the Southeastern U.S.

In the upper - air field, this difference of approach has been very obvious, and great efforts have been expended to produce corrections to the older radiosonde data sets.

There is a disparity between warm High Arctic upper air proven by a great melt of 2008 during mostly cloudy period, something you easily forget, the convenience of grasping at straws, and a continuance of reports showing a cool troposphere.

Climate models generally predict that temperatures should increase in the upper air as well as at the surface if increased concentrations of greenhouse gases are causing the warming.»