New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here


by: Eduardo Lowe


Eduardo Lowe
Texas A&M
GPA 3.78


Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

Class Notes
25 ?




Popular in Course

Popular in Atmospheric Sciences (ATM S)

This 28 page Class Notes was uploaded by Eduardo Lowe on Wednesday October 21, 2015. The Class Notes belongs to ATMO 459 at Texas A&M University taught by Staff in Fall. Since its upload, it has received 66 views. For similar materials see /class/225956/atmo-459-texas-a-m-university in Atmospheric Sciences (ATM S) at Texas A&M University.

Similar to ATMO 459 at Texas A&M

Popular in Atmospheric Sciences (ATM S)




Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/21/15
African Easterly Waves Figure from Chris Landsea A Hurricane Life we cycle ma Nonh Allan Immune Tropical Storm Genesis 51 mm mm my Asvmv WAVE usmn mvr YKDPICA STORM I AEW early research Dunn G E 1940 observed in Carribean westward traveling lower tropospheric seeds for tropical cyclones RielIII H 1945 origins of waves were over North Africa Burpee R W 1972 origin in barotropiclbaroclinic disturbances of African Easterly Jet Burpee R W 1974 wavelength period 1015 N Pacific JuneAug 1967 Wmmsmmx r w n w 1 mm Au Mk me w w um mm Dunn m human lulumunan uqu 2 mm mum111Mquot 11 mewww unrw xrurw mm mm mm mm mm AEW basic facts 1 Statistics Occur AprilMay through SeptemberOctober 60 per year in N Atlantic 60 of tropical storms Cat 12 hurricanes 85 of Cat 34 5 hurricanes most East Paci c hurricanes traced back to AEW s wavelength 20002500 km 18 123a Ion period 35 days Origin disturbance of African Easterly Jet Riehl model Tropical Waves Conceptual Model Plan View Sef Hm I AEW features noted ea y quotlnvened V39 horizontal orientation a 35quot JUNE 25l967 3 7o w 66w 50 w 46w 30W AEW features cont Mesoscale feature of lower atmosphere 0 5 km ow level vorticity signal decreasing with height Fair weather to west of trough Upper level convergence low level divergence Subsidence pattern Active weather to east of trough Lowerl l convergence upper level divergence Deep layer of moisture Convective precipitation Intense waves can draw ITCZ nonh Agee 1969 Tropical Storm Anna Easterly TV July 7 m Example Easterly Wave SHIV 7 I999 African Easterly Jet 3393 Africa Skin Temperature 850mb 700 mb Temperature Latitude vs Month Avg d 01 Zonal wind JJA 600mb 7 Height vs Time June Sap Winds averaged 10 N 20 N 0 10 E Meridional 60 S 60 N Aug Temperature 30W quotf Note low level T gradient 15 N Meridional 035 N Aug T amp U at 5 E Zonal Wind Temperature Circulation Aug 5 E Merid l Zonal Wind 1 Hurricane and Positive vorticity center tracks Thorncroft amp Hodges 2001 J Climate 20 years 197998 ECMWF reanalyses Tracked systems with closed vorticity contours of at least 5 x 10 5 s391 Omitted systems that lasted less than 2 days traveled lt 1000 km u 1 m Human m 41995 m m 5 pa on meECMwFamhscsalsiu am ne 39k mm mo mm Himch Cuxiu vac W Van me we vnsiuan ever 5 is me n hglu luck a we Udell m mm mum mm am am an m EC1VF m and i dun m In W m m um n a Elmnun m n 11ml mu mamt 1 mm mm am am man mm mmm ositive vorticity tracks Thomcm amp Hodges 2001 MayOct 1995 600 mb Fig 2 mm xelallxe mun lurks or Mama ms al 500 and 330 mu 850 mo ositive vorticity tracks Thomcm amp Hodges 2001 MayOct 1994 600 mb n3 3 Pomhexelauwwmuu mm m mych mm am am 350 In 850 mb Climam39ogical 850mb Thorncro amp Hodges 2001 Tracks 197998 Track density shading gt 6 Genesis dens shading gt 5 Growth ratequot Dark growth Light decay density numberyr1O6 km2 Climam39ogical 850mb Thorncro amp Hodges 2001 Tracks 197998 Track density shading gt 6 Genesis dens shading gt 5 Growth ratequot Dark growth Light decay density numberyr1O6 km2 Seasonal Cycle of Track Thomcro amp Hodges 2001 DenSIty 197998 June 850 mb June 600 mb Interannual Variability Th amp H d 2001 AEW activity MayOct m 39 gas June Number so 7 600 mb v NY i i 850 mb 7 5 30 as 90 Pin 1 m2 mnuzm 95 m umn unzme a a mumquot in v a cum and ISD n mun uni x man In my pm Year Interannual Variability AEW amp Hurric Thorncm amp Hodges 2001 ane MayOct va a 7 rr i Fm 15 Time sane showing lhe imelannuai variah 39y of he munbm of AEW 111 box 2 shown n Fig 10 at 850 m1 squams 1 he Mayr c pcuod mgelhm mm the mum of named an humcaucs mauglcs and uncmc hummm m C as m I gonna u monds as de ned by NH


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Janice Dongeun University of Washington

"I used the money I made selling my notes & study guides to pay for spring break in Olympia, Washington...which was Sweet!"

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.