Atmospheric Sciences 340
Professor R. A. Houze
Updated: 19 December 2017*#
Instructor Text

Class Calendar

Problem Sets
Tests Class Notes Current weather

Cloud Atlas

Skew T

Part I: Basic Thermodynamics
Thermodynamics terms and conditions
Ideal Gas Law
Molecular weight
 Wallace and Hobbs pp 63-66
First Law
Joule's Law
Heat Capacity and Specific Heat
Internal Energy and Enthalpy

WH 72-75
Pressure-volume diagram for an ideal gas
Isothermal and adiabatic processes
WH 75-77
Cyclical and reversible processes
Carnot Cycle
WH 93-95
Part II: Atmospheric Thermodynamics
Composition of dry air
Partial Pressure
Dalton's Law
Apparent molecular weight
Ideal gas law for dry air
Houze's Thermodynamics Notes (pp 1-6)
Concept of an air parcel
Dry adiabatic lapse rate
WH 72, 76-77
Static stability of dry air
Gravity waves
Buoyancy and instability
WH 88-91
Potential temperature
WH 77-78
Introduction to atmospheric thermodynamic diagrams
WH 78-79
Clausius Clapeyron equation
Measures of water vapor in air
Ideal gas equation for pure water vapor and for moist air
Virtual temperature
WH 80, 97-99
Saturation vapor pressure and saturation mixing ratio
Relative humidity, dew point, and lifting condensation level (LCL)
Moist adiababatic processes
First law for saturated parcel displacements
WH 80-85
Moist adiabatic lapse rate
Adiabatic liquid water content
Equivalent potential temperature
WH 85-86
Wet bulb temperature
Wet-bulb potential temperature
Equivalent potential temperature
WH 83-84, 86-87
Conditional and potential instability
Level of free convection (LFC)
Convective available potential energy (CAPE)
Convective inhibition (CIN)
WH 88-93, 344-347
Example Soundings
Part III: Cloud Physics
Cloud nomenclature
Cloud formation processes
Cloud Physics Notes
Cloud Nomenclature
Second Law of Thermodynamics
Carnot's Theorems

WH 95-97, 100-101
Homogenous nucleation of cloud droplets
Kelvin's equation
WH 209-212
Heterogeneous nucleation of cloud droplets
Koehler curves
CN and CNN
WH 212-215
Growth of cloud droplets by condensation
WH 221-224
Growth of cloud drops to raindrops by coalescence
WH 224-230
Ice particle nucleation
Ice enhancement
WH 223-228
Growth of ice particles by vapor deposition
Ice particle habits
WH 228-241
Riming and aggregation
WH 241-245
Cloud electrification and lightning
WH 252-259

*Note: Every effort will be made to observe the schedule indicated by this syllabus, but the schedule is not guaranteed, and the student is advised to attend class and check the syllabus regularly for updates.
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