Download LOCAL WINDS

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

page
1
page
2
page
3
page
4
page
5
page
6
page
7
page
8
page
9
Document related concepts
no text concepts found
Transcript 
LOCAL WINDS
By: Latinne Bandaay
www.iea.org
What are local winds?
 Convective winds
 Temperature differences
 local terrain = strong influence (www.ck12.org)
 Daytime heating
 Unequal heating & cooling of surface (ocw.usu.edu)
www.iea.org
LAND & SEA BREEZES



Water= heats & cools slowly
Temperature difference
High & low pressure
SEA BREEZES
 Ocean  land
 10 – 20 km/hr
 5-10 C
LAND BREEZES
 Land  sea
(www.ck12.org)
MONSOON WINDS




Winter : land  sea
Summer : sea  land
Thunderstorms
India & Southeast Asia
MOUNTAIN & VALLEY BREEZE
(www.ck12.org)
Katabatic Winds
• Up and down slopes
• High land area
 High plateau
• Mountains
• Winter = cold
• Cold air sinks
• Gaps in the mountains
• Antarctica & Greenland
(www.ck12.org)
Chinook winds ( Foehn Winds )
•
•
•
•
•
•
•
•
•
•
Forced up
Warm, moist air
Humid air = clouds
Air sinks = high pressure zone
Windward = receives
Leeward = air sinks
Strong dry winds
20C in an hour
Decrease humidity
Rainshadow effect
(http://www.ck12.org)
Santa Ana Winds
• Late fall & winter
• October 2007
• Great Basin, east of Sierra Nevada  burned 426,000 acres(wild land)
• High pressure zone
More than 1,500 homes
• Clockwise direction
Southern California
• Air pressure & temperature rises
• Humidity falls
• Southwestern deserts
• Westward, towards the ocean
• Canyons
San Gabriel & San Bernardino
(www.ck12.com) & (theweatherprediction.com)
• California’s summer drought
Desert Winds
• High summer temperatures
• Pick up dust
• Haboob forms on downdrafts
• Dust devils ( a.k.a whirlwinds )
• heats and rises
• Flows into lowpressure
• Begins to spin
• Small, short-lived
(www.ck12.com)
(www.keyword-suggestions.com
References:
“Local and General Winds.” UtahState UNIVERSITY. 2008. 25 September 2016 <
http://ocw.usu.edu/Forest__Range__and_Wildlife_Sciences/Wildland_Fire_Management_and_Planning/Unit_
6__Local_and_General_Winds_5.html >
“local winds.” cK-12 Foundation 2016. 2016. 25 September 2016 <http://www.ck12.org/earth-science/LocalWinds/lesson/Local-Winds-HS-ES/?referrer=featured_content>
Sotelo, R. “The Curse Of Southern California: The Santa Ana Winds.” The Weather Prediction. 2012. 25
September 2016.<http://theweatherprediction.com/weatherpapers/049/index.html>
“Chinooks.” 25 September 2016 http://apollo.lsc.vsc.edu/classes/met130/notes/chapter9/chinook.html>
“Desert wind storm.” Keyword Suggestions. 26 September 2016 <http://www.keywordsuggestions.com/ZGVzZXJ0IHdpbmQgc3Rvcm0/>
Related documents