monday april 16, 2012
DESCRIPTION
Monday April 16, 2012. (Wind). The Launch Pad Monday, 4/16/12. According to this map, what was the average temperature in the following cities from Feb 25 – Mar 3, 2001? . DFW Galveston, Tx Miami, Fl Chicago, Il St. Paul, Mn. 50 o. 60s. 70s. 30s. 10s. Announcements. - PowerPoint PPT PresentationTRANSCRIPT
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MondayApril 16, 2012
(Wind)
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The Launch PadMonday, 4/16/12
According to this map, what was
the average temperature in the following
cities from Feb 25 – Mar 3,
2001?
DFWGalveston, Tx
Miami, FlChicago, Il
St. Paul, Mn
50o 60s 70s 30s 10s
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Assignment Currently Open
Summative or Formative Date Issued Date Due
Date Into Grade Speed
Last Day
WS – The Structure of the
AtmosphereF 4/4 4/10
Activity – Write Test Questions on Atmospheric
HeatingS 4/10 4/10
Quiz 26 S 4/13 4/13
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AnnouncementsI will be available after school today
until 4:45.
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Latest News
http://www.space.com/15295-space-shuttle-discovery-smithsonian-delivery.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+spaceheadlines+%28SPACE.com+Headline+Feed%29&utm_content=Google+Feedfetcher
Space Shuttle Discovery Takes Final Flight This Week ... to Smithsonian
Click below for article:
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Wind“Wind” is defined as the horizontal movement of air.
Air moves out of areas of higher pressure into areas of lower pressure.Unequal heating of Earth’s surface generates these pressure differences.Solar radiation, therefore, is the ultimate energy source for most wind.
Wind is controlled by a combination of forces, including:the pressure-gradient force
the Coriolis effectfriction
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Isobars are lines that connect places of equal air pressure.The spacing of isobars indicates the amount of pressure change over a given distance
and is expressed as the “pressure gradient.”
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WindThe Coriolis effect is also a participant in controlling the wind.
This effect is an apparent deflection in the wind direction
due to the Earth’s rotation.
Deflection of the wind is to the right in
the Northern Hemisphere and to
the left in the Southern
Hemisphere.
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Wind
Finally, friction acts to slow the air’s movement near
the surface.
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WindUpper level winds generally blow parallel to isobars, and are called geostrophic winds.The Jet Stream is a “river” of air at high altitude with a velocity of 120–240 kilometers per hour.
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The Geostrophic Wind
Figure 18.8
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Comparison of Upper-
Level Winds and Surface
Winds
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Summary
Explain the three
controls of wind.