Relatively fast uniform winds concentrated within the upper atmosphere in a narrow band. A number of jet streams have been identified in the atmosphere. The polar jet stream exists in the mid-latitude [..]

(abbrev. JSTR) Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jet streams vary from d [..]

Relatively strong winds concentrated within a narrow band in the atmosphere.

winds speeding through the upper atmosphere. Read more in the NG Education Encyclopedia

Relatively strong winds concentrated within a narrow stream in the atmosphere. While this term may be applied to any such stream regardless of direction (including vertical), it is coming more and mor [..]

A flat, tubular current of air located in the tropopause, the area in the Earth's atmosphere located between the troposphere and the stratosphere. These powerful winds are generated by [..]

a long, serpentine air current just below the tropopause (about 12 km up) and blowing westerly, generated by temperature differentials between air masses, and often exceeding a speed of 250 miles (402 kilometers) per hour. The two polar jet streams are the strongest.

A migrating stream of winds with 50 knots or greater, present at high altitudes moving generally from west to east.

an upper atmosphere wind which blows in a narrow band from west to east.  http://www.srh.noaa.gov/jetstream/global/jet.htm

Strong winds concentrated within a narrow band in the upper atmosphere. It normally refers to horizontal, high-altitude winds. The jet stream often steers surface features such as front and low pressu [..]

A narrow current of strong winds high up in the Earth’s atmosphere. The jet stream directs the movement of weather patterns around the world.

(n) - a concentrated curving band of high speed, easterly winds usually at the top of the Earth's troposphere

A migrating stream of high-speed winds present at high altitudes.

A high-speed, meandering wind current, generally moving from a westerly direction at speeds often exceeding 400 kilometers (250 miles) per hour at altitudes of 15 to 25 kilometers (10 to 15 miles).

Relatively strong winds concentrated within a narrow band in the atmosphere.

Strong winds concentrated within a narrow band in the upper atmosphere. It normally refers to horizontal, high-altitude winds. The jet stream often "steers" surface features such as front an [..]

A narrow and fast-moving westerly air current that circles the globe near the top of the troposphere. The jet streams are related to the global Hadley circulation. In the southern hemisphere the two main jet streams are the polar jet that circles Antarctica at around 60 °S and 7-12 km above sea level, and the subtropical jet that passes through the [..]

narrow band of air that moves from west to east around the Earth at relatively high speeds (sometimes exceeding 320 kilometers per hour).

The core of fast air flow associated with the westerlies, occurring close to the top of the troposphere. Because of its high speed, it may also affect airliner schedules.

A narrow band of winds blowing high in the troposphere at speeds in excess of 60 miles per hour but can reach speeds in excess of 300 miles per hour. Typically thousands of kilometres long, hundreds o [..]

Rivers of high-speed air in the atmosphere. Jet streams form along the boundaries of global air masses where there is a significant difference in atmospheric temperature. The jet streams may be severa [..]

A high-speed, meandering wind current, generally moving from a westerly direction at speeds often exceeding 400 kilometers (250 miles) per hour at altitudes of 15 to 25 kilometers (10 to 15 miles).

A high-speed, meandering wind current, generally moving from a westerly direction at speeds often exceeding 400 kilometers (250 miles) per hour at altitudes of 15 to 25 kilometers (10 to 15 miles).

narrow river of very strong horizontal winds usually located in the upper troposphere along fronts.

A narrow band of strong winds in the atmosphere that controls the movement of high and low pressure systems and associated fronts. Jet Streams meander from time to time. Wind speeds can reach 200 mph or higher in certain cases. It is usually found at 30,000 to 40,000 feet (9,000 to 12,000 meters) above the earth's surface. It owes its existenc [..]

The fast-moving ribbon of air 10 km up in the atmosphere that drives the weather at the surface. The jet stream helps create deep areas of low pressure and transports them from one place to another.

A fast moving river of air high up in the atmosphere. There are two jet streams in the Northern Hemisphere and two in the Southern Hemisphere. Jet streams are caused by the rotation of the Earth and t [..]

The major atmospheric air currents centers over the Pacific and Atlantic Oceans, North America and over the Middle East. These systems are fairly robust from period to period, and across different obs [..]

To throw objects overboard, especially to lighten a craft in distress. Jettisoned objects that float are termed FLOTSAM; those that sink JETSAM; and heavy articles that are buoyed for future recovery, [..]

A strong narrow current concentrated along a quasi horizontal axis in the upper troposphere or in the stratosphere, characterized by strong vertical and lateral wind shears and featuring one or more v [..]

A migrating stream of high-speed winds present at high altitudes

A quasi-horizontal stream of winds 50 knots or more concentrated within a narrow band embedded in the westerlies in the high troposphere.

(abbrev. JSTR) Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jet streams vary from day to day. General weather patterns (hot/cold, wet/dry) are related closely to the position, strength and orientation of the jet stream (or jet stream [..]

a high-speed, wandering wind current in the upper troposphere that blows from west to east and affects weather

a long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 miles per hour.

An area of strong winds that are concentrated in a relatively narrow band in the upper troposphere of the middle latitudes and subtropical regions of the Northern and Southern Hemispheres. Flowing in a semi-continuous band around the globe from west to east, it is caused by the changes in air temperature where the cold polar air moving towards the [..]

A narrow band of strong winds in the atmosphere that controls the movement of high and low pressure systems and associated fronts. Jet Streams meander from time to time. Wind speeds can reach 200 mph [..]

Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jet streams vary from day to day. General weather patterns (hot/cold, wet/dry) are related closely to the position, strength and orientation of the jet stream (or jet streams). A jet strea [..]

A strong, high level wind that can reach speeds in excess of 320km/h (200mph) – it is usually around 5-10km (3-6 miles) above the ground.

Relatively strong winds that are concentrated in a narrow band in the atmosphere. Jet Streams are usually thousands of kilometers long, hundreds of kilometers wide but only a few kilometers thick. The [..]

Relatively strong winds concentrated within a narrow stream in the atmosphere. While this term may be applied to any such stream regardless of direction (including vertical), it is coming more and mor [..]

Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jet streams vary from day to day. Gene [..]

Strong winds concentrated within a narrow band in the upper atmosphere

a narrow band of strong winds that blow in the upper troposphere

An area of strong winds that are concentrated in a relatively narrow band in the upper troposphere of the middle latitudes and subtropical regions of the Northern and Southern Hemispheres. Flowing in a semi-continuous band around the globe from west to east, it is caused by the changes in air temperature where the cold polar air moving towards the [..]

Strong winds concentrated within a narrow band in the atmosphere. The jet stream often "steers" surface features such as fronts and low pressure systems.

A narrow band of strong winds usually found at elevations from 20000 to 50000 feet.

Very strong winds concentrated in a narrow stream in the upper atmosphere. Jet streams are the driving motion for weather systems across the continent. In the U.S., jet streams move from west to east.

Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jet streams vary from day to day. Gene [..]

Strong winds concentrated within a narrow band in the upper atmosphere. It normally refers to horizontal, high -altitude winds. The jet stream often "steers" surface features such as [..]

An area of strong winds that are concentrated in a relatively narrow band in the upper troposphere of the middle latitudes and subtropical regions of the Northern and Southern Hemispheres. Flowing in [..]

A powerful, but narrow stream of wind that is in the upper troposphere.

An area of strong winds

Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds.

The Jet Stream is like a current or river of air in the upper atmosphere, 7,000 to 13,000 metres up. It�s created when Cold and Warm air masses come together. In the mid-latitudes of the Northern Hemisphere winds will tend to move from the west to the east. The Jet Stream, quite simply put, is the apex of these winds in the upper atmosphere. The [..]

(abbrev. JSTR) Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jet streams vary from d [..]

A narrow band of wind in the upper atmosphere with speeds greater than 57 mph.

An area of strong winds that are concentrated in a relatively narrow band in the upper troposphere of the middle latitudes and subtropical regions of the Northern and Southern Hemispheres. Flowing in a semi-continuous band around the globe from west to east, it is caused by the changes in air temperature where the cold polar air moving towards the [..]