Sentences with phrase «air pressure patterns»

Sometimes a large peak or trough will hang around for weeks on end, held in place by certain air pressure patterns.

By the same token originally the path was to the upper Gulf Coast and based on the current air pressure patterns the path looks to be changing hourly.

The theory is quite straightforward — and has been known to climatologists for many years: during the winter months solar activity influences air pressure patterns over the Arctic and lower northern hemisphere latitudes.

From year to year, winds and air pressure patterns change, causing different forces to act on the solid Earth.

«We know that bats must be «seeing» the turbines, but it seems that the air pressure patterns around working turbines give the bats what's akin to the bends,» says Holland.

The North Atlantic Oscillation is closely linked to the Arctic Oscillation — an air pressure pattern centred on the North Pole.

Not exact matches

Even subtle shifts in air pressure, temperature, and humidity can cause a radical shift in the crystal's growth pattern.

A large kink in the jet stream, a high - pressure blocking pattern over Greenland and a mass of Arctic air pushing southward over North America's middle latitudes each contributed to Sandy's unusual strength.

El Niño is a weather pattern characterized by a periodic fluctuation in sea surface temperature and air pressure in the Pacific Ocean, which causes climate variability over the course of years, sometimes even decades.

When his team tasked a computer with learning to identify air - pressure patterns called teleconnections, such as the El Niño weather pattern, the algorithm found a previously unrecognized example over the Tasman Sea.

Normalised RMS error in simulation of climatological patterns of monthly precipitation, mean sea level pressure and surface air temperature.

Grotzer, T.A., Houghton, C.A., Basca, B., Mittlefehldt, S. Lincoln, R., & MacGillivray, D. Causal patterns in density: Lessons to infuse into air pressure units.

Basca, B.B. & Grotzer, T.A. Causal patterns in air pressure - related phenomena: Lessons to infuse into air pressure units.

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A barometer — a tool meteorologists use to measure air pressure — can give a solid indication of changing weather patterns.

A sea breeze, which is caused by the temperature and pressure difference between warm areas inland and the cool air over the ocean, often develops on warm summer days as well, increasing the on - shore flow pattern and maintaining a constant flow of marine stratus clouds onto the coastal areas.

Meteorological scientists warn that the changes in heat composition and air pressure over the Tibetan Plateau may have implications beyond Asia's river basins, as shifting dynamics of the atmospheric circulatory system over the plateau could change wind and monsoon patterns across much of the world.

«West Coast sea surface and coastal air temperatures evolved in lockstep with changing patterns of atmospheric pressure and winds.»

Canadian Ice Service, 4.7, Multiple Methods As with CIS contributions in June 2009, 2010, and 2011, the 2012 forecast was derived using a combination of three methods: 1) a qualitative heuristic method based on observed end - of - winter arctic ice thicknesses and extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictors.

The air temperature patterns were a result of low pressure on the Eurasian side of the Arctic (Figure 8), along with high pressure in the Bering Sea, which supported some warm air advection into the Chukchi and East Siberian seas region.

Normalised RMS error in simulation of climatological patterns of monthly precipitation, mean sea level pressure and surface air temperature.

Canadian Ice Service, 4.7 (+ / - 0.2), Heuristic / Statistical (same as June) The 2015 forecast was derived by considering a combination of methods: 1) a qualitative heuristic method based on observed end - of - winter Arctic ice thickness extents, as well as winter Surface Air Temperature, Sea Level Pressure and vector wind anomaly patterns and trends; 2) a simple statistical method, Optimal Filtering Based Model (OFBM), that uses an optimal linear data filter to extrapolate the September sea ice extent timeseries into the future and 3) a Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictors.

Since the winds generally follow the pressure contours, this pattern advected warmer air into the Pacific Arctic in both the Beaufort and East Siberian Seas (Figure 8, bottom).

Since the winds generally follow the pressure contours, this pattern advected warmer air into the Barents and Kara Sea while keeping cool temperatures in Alaska (Figure 8).

The weather pattern that's bringing all of that frigid air to Europe — and holding it in place — is largely due to a naturally occurring climatic pattern called the Arctic Oscillation (AO), which describes how air pressure is distributed over the Arctic regions and the mid-latitudes of the northern hemisphere.

The pattern comes in two phases: a negative one where there is high air pressure over the North Pole and low pressure at the mid-latitudes, and a positive phase when the pressure systems has reversed.

Canadian Ice Service; 5.0; Statistical As with Canadian Ice Service (CIS) contributions in June 2009 and June 2010, the 2011 forecast was derived using a combination of three methods: 1) a qualitative heuristic method based on observed end - of - winter Arctic Multi-Year Ice (MYI) extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere, and sea ice predictors.

With regard to summer meteorological forcing, 2007 was dominated by a strong dipole pattern in sea level pressure (SLP), with high pressure over the Beaufort Sea and winds blowing from the Bering Strait across the North Pole, promoting both advection of warm air and compaction of the ice pack.

Canadian Ice Service, 4.7 (± 0.2), Heuristic / Statistical (same as June) The 2015 forecast was derived by considering a combination of methods: 1) a qualitative heuristic method based on observed end - of - winter Arctic ice thickness extents, as well as winter Surface Air Temperature, Sea Level Pressure and vector wind anomaly patterns and trends; 2) a simple statistical method, Optimal Filtering Based Model (OFBM), that uses an optimal linear data filter to extrapolate the September sea ice extent timeseries into the future and 3) a Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictors.

E. 7.3 Describe how global patterns such as the jet stream and ocean currents influence local weather in measureable terms such as temperature, air pressure, wind direction and speed, and humidity and precipitation.

In «positive» mode, the AO includes high pressure over the mid-latitudes and low pressure over the Arctic, setting up wind patterns that trap cold air in the far North.

Though there can be significant differences in regional surface impacts between one SSW event and another, the typical pattern includes changes in sea level pressure resembling the negative phase of the North Atlantic Oscillation (NAO) / Arctic Oscillation (AO), (representing a southward shift in the Atlantic storm track), wetter than average conditions for much of Europe, cold air outbreaks throughout the mid-latitudes, and warmer than average conditions in eastern Canada and subtropical Asia (see figure below, left panel).

A pattern of high pressure set up over the Chukchi Sea, bringing warm southerly air into the region and pushing ice away from shore.»

The wind and pressure systems of the Pacific conform closely to the planetary system — the patterns of air pressure and the consequent wind patterns that develop in the atmosphere of the Earth as a result of its rotation (Coriolis force) and the inclination of its axis (ecliptic) toward the Sun.

As the air gets hotter, thunderstorms are more likely to develop in the area, the energy of which fluctuates the jet stream and creates a high - low or «dipole,» pressure pattern.

June was warmer than average more widely over the Arctic Ocean (Figure 4b); the month saw a weather pattern similar to the Arctic Dipole, in which higher than average pressure over the American side of the Arctic drives warm air advection from the Pacific (Figure 4c).

The heat wave was due primarily to a natural phenomenon called an atmospheric «blocking pattern», in which a strong high pressure system developed and remained stationary over western Russian, keeping summer storms and cool air from sweeping through the region and leading to the extreme hot and dry conditions.

In July, the Arctic Dipole Anomaly (DA) pattern that was dominant in June (which promotes clear skies, warm air temperatures, and winds that push ice away from coastal areas and encourages melt) was replaced by low sea level pressure (SLP) over the Arctic Ocean, leading to ice divergence (ice extent «spreading out») and cooler temperatures.

The Land Stewardship & Environment area of interest enables Albertans to understand and respond to changing land use patterns, growth pressures, air and water management issues and to enhance the ecological quality of their communities.

As we've said, HVLP is just a regular air driven spray gun that is designed to work on a low air pressure of around 2 - 3 bar and deliver an atomised spray pattern with a high transfer efficiency and minimal overspray.