Topic: Geostrophic Winds
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What is is the geostrophic wind?
Air that is high in the atmosphere which blows parallel to the isobars (lines that connect areas of equal pressure) Read More »
Source: http://wiki.answers.com/Q/What_is_is_the_geostrophic_wind
What is geostrophic wind speed?
The speed of a geostrophic wind calculated from the pressure gradient, air density, rotational velocity of the earth, and latitude. The calculation ignores the curvature of the wind’s path. A geostrophic wind is proportional to the pressure... Read More »
Source: http://www.answers.com/topic/geostrophic-wind-speed
What are geostrophic winds?
They are the winds caused by the rotation of the Earth; this includes all of the wind in our atmosphere. If the Earth did not rotate and was frictionless, air would move directly from high pressure to low pressure. On our rotating planet, h... Read More »
Source: http://www.usatoday.com/weather/resources/askjack/wawind.htm
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Geostrophic Winds
(n.) Wind whose velocity and direction are mathematically defined by the balanced relationship of the pressure gradient force and the Coriolis force: conceived as blowing parallel to isobars
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( ¦jē·ō¦sträf·ik ′wind ′lev·əl ) (meteorology) The lowest level at which the wind becomes geostrophic in the theory of the Ekman spiral. Also known as gradient-wind level.
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Source: http://www.answers.com/topic/geostrophic-wind-level
( ¦jē·ō¦sträf·ik ′wind ′skāl ) (meteorology) A graphical device used for the determination of the speed of the geostrophic wind from the isobar or contour-line spacing on a synoptic chart; it is a nomogram representing solutions of the geos...
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Source: http://www.answers.com/topic/geostrophic-wind-scale
Because the Coriolis force vanishes at the Equator
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Source: http://wiki.answers.com/Q/Why_is_a_geostrophic_wind_balance_is_no...
Using a geostrophic wind scale A geostrophic wind scale is a graphical device printed in synoptic weather charts available on weather fax or on the internet, like the ones compiled by Bracknell and other weather services. It enables estimat...
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Source: http://wiki.answers.com/Q/How_do_you_use_a_geostrophic-wind_scale
Imagine a fluid moving northward at the equator at a certain speed. As it does, it is also affected by the earth's rotation that results in the Coriolis force. Imagine the same fluid moving north but close to the north pole. Its speed forwa...
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Source: http://answers.yahoo.com/question/index?qid=20110224022340AASN4of
Good question. I never thought of that. Let's try: If the rotation speed of the earth increases, one of the two components of the Coriolis force does too. Hence, the divertion to the right in the northern hemisphere should be greater. High ...
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Source: http://answers.yahoo.com/question/index?qid=20091123225353AAVjOaG
