prevailing wind patterns
DESCRIPTION
Prevailing Wind Patterns. Student Handouts Weather Dynamics Unit Science 10 Mrs. S. Pipke-Painchaud. Wind. “Movement of _________ in the _________” (Nelson Science 10 516). Local or Regional Winds: Prevailing Winds: Winds (Nelson Science 10 516). Coriolis Effect. - PowerPoint PPT PresentationTRANSCRIPT
Student HandoutsWeather Dynamics Unit
Science 10Mrs. S. Pipke-Painchaud
Wind “Movement of _________ in the
_________” (Nelson Science 10 516). Local or Regional Winds:
Prevailing Winds: Winds
(Nelson Science 10 516)
Coriolis Effect Named after Gaspard deCoriolis
______________ Mathematician Because of the Earth’s ___________ anything moving
______________ distances appear to ______________ direction “apparent change of direction in a moving object in a
rotating system is called the Coriolis Effect” (Nelson Science 10 516).
(NS10 516) “tendency for any moving body on or above the
earth's surface, e.g., an ocean current or an artillery round, to drift _______________ from its course because of the earth's rotation” (InfoPlease.com)
http://www.theozonehole.com/coriolis.htm
Earth rotates ______________ ________ Hemisphere
(counterclockwise) – move to ____________
__________________ Hemisphere (Clockwise) – move to ____________
http://www.worldstats.org/general_world/maps/prevailing_winds_big.shtml
http://research.haifa.ac.il/~maritime/departm/lessons/ocean/wwr199.gif
Please refer to page 517 in your textbook Figure 2 Skim through the information on page
516 In 1492, Christopher Columbus relied on
two important prevailing winds to sail to the Americas and home again.
A) What wind did he use to travel to America?
B) What wind did he use to travel home?
Animations Danish Wind Industry Association
http://www.windpower.org/en/tour/wres/coriolis.htm
Exploring Earth http://www.classzone.com/books/earth_scie
nce/terc/content/visualizations/es1904/es1904page01.cfm?chapter_no=visualization
http://www.classzone.com/books/earth_science/terc/content/visualizations/es1905/es1905page01.cfm?chapter_no=visualization
Causes of Prevailing Winds Please read through pages 518-519 Jet Stream:
“a _________________ of fast moving air found in
the _______________ atmosphere” (Univ. Illinois). Can be _____________________ of km long Few ___________ km wide Few km ___________ Generally, located ______________ km up The position of this upper-level jet stream denotes the
________________ of the strongest _________________ temperature contrast” (Univ. Illinois).
http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cyc/upa/jet.rxml
Jet Stream Maps Jet Steam Images:
http://www.weatherimages.org/data/imag192.html Environment Canada:
http://weatheroffice.ec.gc.ca/jet_stream/index_e.html Weather.com
http://www.weather.com/maps/activity/aviation/saturdayusjetstream_large.html
California Weather Service http://virga.sfsu.edu/scripts/namjetstream_modelsml.
html
Effects of Prevailing Winds
“Remember that rising air tends to be ____________ and ________, while falling air tends to be _________ and ________” (Nelson Science 10 519).
Nelson Science 10 519
Consider where convection currents meet Equator: ________ and _____________ 30* North Latitude: cool, dry falling air
(________ like conditions) Gobi (__________), Sahara (__________), Mojave
(_________), Great Basin (NA) and Sonoran (NA) Deserts of North America (info on Hot and Cold
Deserts of the world) http://mbgnet.mobot.org/sets/desert/ofworld.htm
60* North Latitude: 2 air systems meet __________________ conditions Storms are _____________________ in the winter
(because the Arctic receives no _______________ = ___________ = greater temp ________________ from equator)
Nelson Science 10 519
http://www.mapsofworld.com/world-desert-map.htm
Earth from Different Perspectives Exploring Earth
http://www.classzone.com/books/earth_science/terc/content/visualizations/es0101/es0101page01.cfm?chapter_no=visualization
Environment Canada Wind Info:
http://lavoieverte.qc.ec.gc.ca/meteo/Documentation/Vent_e.html
International Polar Foundation: Katabatic and Anabatic Winds
http://www.antarctica.org/UK/Envirn/pag/vents_cata_UK.htm
Sources: Nelson Science 10 Textbook Infoplease. Infoplease.com. Coriolis
Effect http://www.infoplease.com/ce6/weather/A08
13558.html University of Illinois
Jet Stream: http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cyc/upa/jet.rxml