WESTERLIES
Usually applied to the broad patterns of persistent winds with a westerly component. It is the dominant persistent atmospheric motion, centered over the midlatitudes of each hemisphere.
Westerlies
The prevailing winds that blow from the west in the mid-latitudes.
Wet Bulb Zero ...
westerlies: the dominant west-to-east motion of the atmosphere centered over the middle latitudes (35°-65°) of both hemispheres.
Westerlies The dominant westerly winds that blow in the middle latitudes on the poleward side of the subtropical high pressure areas.
Wet-bulb temperature The lowest temperature that can be obtained by evaporating water into the air.
Westerlies: the prevailing winds that blow from the west in the mid-latitudes.
Wind chill equivalent temperature: the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
WESTERLIES - Prevailing winds at the upper latitudes of the earth, usually in the temperate zones, from a general Westerly direction. Most common between the 30 and 60 degree regions in the north (or south) hemisphere.
the westerlies or roaring forties
the belt of extratropical cyclones.
The trade winds from both hemispheres converge towards the doldrums and a zone of low pressure, the equatorial trough, that girdles the earth.
The Westerlies, which can be found at the mid-latitudes beneath the Ferrel circulation cell, likewise arise from the tendency of winds to move in a curved path on a rotating planet.
Prevailing Westerlies - the westerly winds that dominant in middle latitudes
Prevailing Wind - the wind direction most commonly observed during a given period
Probability - the chance that a given event will occur ...
Prevailing Westerlies Winds in the middle latitudes (approximately 30° to 60° N/S) that generally blow from west to east.
Prevailing Wind A wind that consistently blows from one direction more than from any other.
prevailing westerlies—The dominant west-to-east motion of the atmosphere, centered over middle latitudes of both hemispheres.
prevailing wind—Direction from which the wind blows most frequently.
Midlatitude westerlies Planetary-scale prevailing west-to-east winds in the mid- and upper-troposphere between about 30 and 60 degrees of latitude.
maximum zonal westerlies"The average west-to-east component of wind over the continuous 20- degree belt of latitude in which this average is a maximum. It is usually found, in the winter season, in the vicinity of 40-60°N latitude.
They often move slowly, as they displaced south of the main westerlies.
See also North Wall WesterliesThe prevailing winds that blow from the west in the mid-latitudes.Wet Bulb Zero(Abbrev. WBZ) - the height where the wet-bulb temperature goes below 0°C.
It often divides into two branches, the north and the south, and marks the high speed core of the prevailing westerlies.
However, not all closed lows are completely removed from the influence of the basic westerlies.
Sometimes, particularly in discussions of atmospheric waves embedded in the westerlies, a ridge line is considered to be a line drawn through all points at which the anticyclonically curved isobars or contour lines are tangent to a latitude circle.
The prevailing westerlies lose moisture in climbing the mountains, then warm up and dry out at the dry adiabatic rate on descent from the foothills at 9000 ft to the plains at 5000 ft.
They can also be areas of warmer air north of the main westerlies or colder air south of the westerlies.
Westerlies at 30-60 Degs. N. & S. Latitudes. Polar Northeasterlies at 60 Degs. to 90 Degs. N. Lat. Polar Southeastlies at 60 Degs.- 90 Degs S. Lat.
Polar Easterlies: Located at 60 - 90 degs. North Latitude.
In time, hurricanes move into the middle latitudes and are driven northeastward by the westerlies, occasionally merging with midlatitude frontal systems.
Cutoff lows may remain detached from the westerlies for days while exhibiting very little forward (eastward) progress. In some instances, a cutoff low may move to the west, or retrograde, opposite to the prevailing flow.
In meteorology, a long wave in atmospheric circulation in the major belt of westerlies has different characteristics than rapidly moving storms nearer the EarthÕs surface. (or Planetary Wave)","l
Longitude(1) ...
A series of troughs and ridges on quasi-horizontal surfaces in the major belt of upper tropospheric westerlies. The waves are thousands of kilometers long and have significant latitudinal amplitude.
Rotation ...
Jet stream Relatively strong winds concentrated within a narrow stream in the atmosphere. Generally refers to a quasi-horizontal jet stream of maximum winds embedded in the midlatitude westerlies, and concentrated in the high troposphere.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: BD, Blowing Snow, Blowing Snow Advisory, BN, FLG, Gap Winds, Geostrophic wind, Nor\'easter, Set-up, trade winds, Westerlies ...
 See also: Water, Air, Atmosphere, Pressure, Temperature
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