What causes Gulf Stream?

What causes Gulf Stream?

The Gulf Stream is caused by a large system of circular currents and powerful winds, called an oceanic gyre. The ocean is constantly in motion, moving water from place to place via currents. The Gulf Stream brings warm water from the Gulf of Mexico all the way up to the Norwegian Sea.

What kind of air do winds coming from land masses bring?

Answer: Air flowing from areas of high pressure to low pressure creates winds. Warm air can hold more moisture than cold air. Air moving at the bases of the three major convection cells in each hemisphere north and south of the equator creates the global wind belts.

How does Gulf Stream work?

How does the Gulf Stream work? As warm water flows from the equator to the poles it cools and some evaporation occurs, which increases the amount of salt. Low temperature and a high salt content means high density and the water sinks deep in the oceans. The cold, dense water also moves slowly.

Is the Gulf Stream fast or slow?

The velocity of the current is fastest near the surface, with the maximum speed typically about 5.6 miles per hour (nine kilometers per hour). The average speed of the Gulf Stream, however, is four miles per hour (6.4 kilometers per hour).

What causes air movement between land and ocean?

Land and Sea Breezes If there is a large temperature difference between the surface of the sea (or a large lake) and the land next to it, high and low pressure regions form. This creates local winds. Sea breezes blow from the cooler ocean over the warmer land in summer (Figure below).

What is the average wind direction between the equator and 30 degrees north?

Between about 30 degrees north and 30 degrees south of the equator, in a region called the horse latitudes, the Earth’s rotation causes air to slant toward the equator in a southwesterly direction in the northern hemisphere and in a northwesterly direction in the southern hemisphere. This is called the Coriolis Effect.

Where does continental polar air enter the United States?

Continental polar air is cold, dry, and stable. It forms over the snow-covered interiors of Canada and Alaska. The most common example of continental polar air entering the U.S. comes in winter, when the jet stream dips southward, carrying cold, dry cP air, sometimes as far

What is the moving band of air between the polar jet stream?

The moving band of air between the two is the polar jet stream. Credit: NOAA/CIMMS/UW-Madison Monitoring jet streams can help meteorologists determine where weather systems will move next.

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Where does the jet stream occur in the atmosphere?

The jet stream exists in the mid to upper troposphere — the layer of Earth’s atmosphere where we live and breathe. Airplanes can fly in the jet stream. When they’re both headed in the same direction, airplanes can get a boost in speed from this fast moving air current. Credit: NASA/JPL-Caltech.

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