Sentences with word «orographic»

in Observation, theory and modelling of orographic effects.

Atmospheric circulation patterns, specifically the predominant shape of the Jet Stream, controlled largely by orographic forcing of the Rocky Mountains, have more to do with keeping northern Europe warm than does the Gulf Stream or THC.

This explains why precipitation is higher on the windward side of mountains, known as orographic lifting.

«Impact of interannual variations in sources of insoluble aerosol species on orographic precipitation over California's central Sierra Nevada.»

Because of the large lower - tropospheric water vapor content, strong atmospheric winds, and neutral moist static stability, some ARs can produce heavy precipitation by orographic enhancement during landfall on the U.S. West Coast.

«And the companion clouds are similar to so - called orographic clouds that appear as pancake - shaped features lingering over mountains on Earth.»

Dominant control of South Asian monsoon by orographic insulation versus plateau heating.

Together with changes in orographic gravity waves, these waves give rise to the increase in the Brewer - Dobson circulation seen in most models (Butchart et al., 2006).

The G - 1 flight measurements will provide information on orographic cumulus clouds and deep convective systems.

The National Science Foundation (NSF)- supported project, dubbed SNOWIE (Seeded and Natural Orographic Wintertime Clouds — the Idaho Experiment), took place from Jan. 7 to March 17, 2017, in and near Idaho's Payette Basin, located approximately 50 miles north of Boise.

That's short for Seeded and Natural Orographic Wintertime Clouds — the Idaho Experiment.

For orographic cumulus clouds, the G - 1 measurements will characterize in - cloud dynamics, microphysics, and aerosols, as well as the environmental variability around the clouds focusing on conditions upstream and downstream of clouds at multiple altitudes in the vicinity of the AMF1 site.

All models include orographic gravity wave drag schemes (O - GWD), some of the models additionally include non-orographic gravity wave drag schemes (NonO - GWD).

(Orographic refers to something that is related to mountains.)

It would seem to predict rainfall reduction over the last 150 years in those land areas where on - shore winds and orographic uplift are the rainfall drivers.

The Sierras de Córdoba has a high frequency of orographic boundary layer clouds, many reaching congestus depths, many initiating into deep convection, and some organizing into mesoscale systems uniquely observable from a single fixed site.

As a result, the initial precipitation will be very strongly orographic in nature — persistent and locally heavy on south and west facing slopes, but very light and intermittent everywhere else.

Pierrehumbert RT 1985: Orographic distortion of fronts.

Comprehensive coverage of subjects including boundary layer mesoscale phenomena, orographic phenomena and deep convection.

Results show that the contribution of orographic ascent to precipitation was important, exceeding 30 % over the foothills of the Rocky Mountains.

Possible orographic and solar controls of Late Holocene centennial - scale moisture oscillations in the northeastern Tibetan Plateau (PDF), Cheng Zhao et al., 11/2009, Geophysical Research Letters, Volume 36, Number 21

Wills, R. C. and T. Schneider, 2018: Mechanisms setting the strength of orographic Rossby waves across a wide range of climates in a moist idealized GCM.

Within interior Alaska the positive PNA pattern tends to suppress precipitation owing to orographic factors.

Ultimately, this makes it impossible for seasonal forecast models to accurate simulate the dramatic orographic enhancement that occurs in California's mountainous terrain during major storm events.

It is a rain shadow wind that results from the subsequent adiabatic warming of air that has dropped most of its moisture on windward slopes (see orographic lift).

The rainfall distribution can be explained by the atmospheric circulation pattern and local orographic features.

QRA can be regarded as an extension of the Haurwitz - type mechanism (42) of a strong increase in the amplitude of the midlatitude atmospheric barotropic wave system response to stationary external barotropic thermal forcing, with a spatial frequency m approaching the natural stationary spatial frequency k of the wave system, to the case of external barotropic thermal and orographic forcing under a latitude - dependent u ¯ and an integer m over the midlatitude belt on the spherical Earth.

mountainous terrain the method can not capture variations due to orographic effects.

A really powerful supercomputer would be able to improve climate models a very great deal by calculating explicitly important processes like turbulence, convection, thunderstorms, tornadoes, orographic precipitation etc that are unavoidably «parameterized» today.

Many environmental factors influence the convective life cycle in this region, including orographic, low - level jet, and frontal circulations, surface fluxes, synoptic vertical motions influenced by the Andes, cloud detrainment, and aerosol properties.

However, in terms of polar amplification, changes to ice sheets contribute significantly in the Southern Hemisphere, and orographic changes contribute significantly in the Northern Hemisphere.

... 1987: An essay on the parameterization of orographic gravity wave drag.

I thought thunderstorms were due to * conditional instability * when the lapse rate is between the moist and dry adiabats, combined with a moist boundary layer and low level convergence or orographic lifting sufficient to release the instability.

General theory of cloud dynamics; parameterization of microphysics and radiation; models of fog, stratocumuli, cumulonimbi, and orographic clouds

Outside the region of Madrid «it is more common to find this kind of heavy snowfall almost every year, due to the orographic conditions and closeness to the sea.

This shift has been ascribed to increased aridity due to the orographic barrier produced by the progressive rifting of East Africa during this period [22].

Studying Topography, Orographic Rainfall, and Ecosystems with Geospatial Information Technology (STORE), a 4.5 - year National Science Foundation funded project, explored the strategies that stimulate teacher commitment to the project's driving innovation: having students use geospatial information technology (GIT) to learn about weather, climate, and ecosystems.