NATS 101-05

Lecture 14
Monsoons
&
Global Circulation
Supplemental References for TodayÕs Lecture
Monsoon
Monsoon
Monsoon
Slide 6
Slide 7
Asian Winter
Asian Summer
Monthly Average Rain
Cherrapunji
Geography of Our Monsoon Region
January
July
Terrain
Yecora & Moctezuma PWV 2004 Monsoon Onset
Monthly Rainfall
Percentage of Annual Rainfall
July minus June
Rainfall
Monsoon Evolution from Satellite
June-July 500 mb Flow
July 900 mb Flow
Diurnal Winds
450 m AGL
Summary
now Global CirculationÉ.
But first Review
Annual Energy Balance
Global Energy Budget
Global Circulation
Thermally Direct Circulation
Global Circulation
Consider Waterworld
A Simple Model
Waterworld
Single Equator to Pole Cell
Consider a Rotating Waterworld
Rotating Waterworld
Prevailing Winds
Major Surface Pressure Zones
ITCZ
Jet Streams
Why Jet Streams in Mid-Latitudes?
Strong Thermal Contrast
Mid-Latitude Westerlies
Real World Circulation
Slide 40
Slide 41
Pacific High, Bermuda High
Pacific High, Bermuda High
Global Circulation - Precipitation
Global Circulation - Seasonal Precipitation
Summary
Next Lecture