Sentences with phrase «area of low pressure»

It may also thicken if the warmer air above it is lifted by an approaching area of low pressure.

Southward bends that make U-shapes create areas of low pressure called troughs, and northward bends like horseshoes make high - pressure areas called ridges.

A broad area of low pressure will meander toward SWFL as we head into the weekend — bringing scattered downpours with it.

Brian Golding, head of forecasting at the Met Office, said: «The arrival of this exceptionally deep area of low pressure is expected to coincide with spring tides on Monday bringing the risk of flooding to western coasts stretching from southern England to northern Scotland.»

The researchers found that large - scale features of atmospheric circulation — in particular, the strength and position of the Aleutian Low, a semi-permanent, subpolar area of low pressure located in the Gulf of Alaska near the Aleutian Islands — largely determined the timing of snowmelt during spring in Alaska, by either facilitating or inhibiting the transport of warm, moist air into the region.

On our planet the jet stream meanders from west to east and brings, associated with it, the system of areas of low pressure and anticyclones which we have been seeing regularly on weather maps.

A strengthening area of low pressure tracking towards the northern U.S. Gulf Coast developed into Tropical Storm Cindy on Tuesday.

It seems very possible that the low solar activity forced areas of low pressures into a southern route or caused a negative Arctic Oscillation, AO, which in turn allowed cold air from the North Pole to flow across Europe.

23 Weather Maps — Low Pressure Areas of low pressure indicate warm air rising.

Since condensation reduces air pressure, intense condensation of water vapor associated with evapotranspiration of natural forests creates regional areas of low pressure.

The polar vortex, or stratospheric jet stream, is a large area of low pressure and cold air surrounding both of Earth's poles.

This is where sea level is depressed in areas of high atmospheric pressure, and raised in areas of low pressure.

An area of low pressure moves into southern Ontario and Quebec on Friday.

In «Darwin drift», a high - pressure zone forms at the front of each swimming animal, leaving an area of lower pressure behind, which draws in adjacent water.

The NAO is a microclimate index that reflects the atmospheric pressure difference between the Azores and Iceland, so the presence of an anticyclone in the Azores is positive and it is negative if there are areas of low pressure in that same area.

Furthermore, the exit is so broad that McLaren puts it to good use, matching it to the angle of the rear of car and so creating an area of low pressure.

A more pronounced boot «flip» and the new rear carbon fibre diffuser work in harmony with a redesigned rear under floor to channel air through the new high - capacity oil cooler and maintain an area of low pressure under the rear of the car producing increased down force and aiding grip.

This device creates an area of low pressure beneath the rear of the car, reducing lift and improving high - speed stability without the need for large, unsightly external spoilers.

The rear bumper features a hand - made carbon fibre diffuser aiding the flow of air exiting from the underside of the car to maintain an area of low pressure at the rear of the car which helps to reduce lift and improve high speed stability.

An area of low pressure formed over Florida and drifted over land during the week previous to the Louisiana flooding.

39 Question 7 «Wind can occur when air moves from an area of high pressure to an area of lower pressure.»

19 Wind When there is a difference in pressure between two air masses, air moves from the area of higher pressure to the area of lower pressure, creating wind.

When there is a difference in pressure between two air masses, air moves from the area of higher pressure to the area of lower pressure, creating wind.

As the winds travel from areas of higher pressure to areas of lower pressure, a persistent onshore flow develops over large landmasses in the lower troposphere.

The normal cyclone tracks are then considerably modified; atmospheric depressions (areas of low pressure) are either blocked in their eastward progress or diverted to the north...

These are both complex phenomena, but a sudden stratospheric warming event typically occurs when energy from the lower atmosphere travels upwards, and this can disrupt the area of low pressure and high westerly winds that comprise the polar vortex.

An area of low pressure could form over the southwestern Gulf of Mexico by the weekend.

Polar vortices occur when an area of low pressure sits at the rotation pole of a planet.

When the jetstream bends southward in a U-shape, that creates an area of low pressure called trough.

Wind is the movement of air from areas of high pressure to areas of lower pressure.

Charts showing isobars are useful because they identify features such as anticyclones (areas of high pressure), depressions (areas of low pressure), troughs and ridges which are associated with particular kinds of weather.