Ch 24.5 Hurricanes

Tutorial: http://news.bbc.co.uk/2/hi/science/nature/4588149.stm

Storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain.

Wind speed: _______mph

Season: June 1 – Nov. 30Peak Season: Late Summer (Aug.& Sept).

Hurricanes

Ingredients1. Warm tropical waters (80F)

Our hurricances form off coast of Africa

2. Low Pressure system above warm water (sucks warm moist air in to create storm)

3. Cumulonimbus clouds form fr. rising warm moist air that condenses

4. Gentle winds (Tradewinds) ROTATE clouds and STEER hurricanes.

5. Eye forms from dense cool air sinking into Low Pressure

Eye: Dense sinking air; dry; calmEye Wall: is a circle of strong T.storms that surrounds the eye; greatest wind speeds ;precipitation & wind .

Path of Hurricane:

http://www.nhc.noaa.gov/gifs/DC_16_2001-2005.jpg

http://apollo.lsc.vsc.edu/classes/met130/notes/chapter15/formation.html

States Affected:

Clouds and Storms: http://www.youtube.com/watch?v=xk18W2OWZT0&feature=related

Tornadoes:Nat.geo: http://www.youtube.com/watch?v=-K-z-mZ9Va4

http://www.youtube.com/watch?v=DS0V8itbGEg

http://www.youtube.com/watch?v=a_MuaWDg5Z0&feature=related

HurricanesHurricane Season 2005

http://www.youtube.com/watch?v=X5vsYs2hRNI

Nat. Geo. Podcast

http://www.youtube.com/watch?v=OEPZOC6YHUc

BBC: How Hurricanes are Born

http://www.youtube.com/watch?v=4f45jA5UxB0