Weather Theory


This Weather Theory CFI Lesson Plan has come from Chapter Twenty-Four of The Complete CFI Binder. It can be purchased a la carte. This chapter is a total of 30 pages and contains a complete lesson for teaching your students and FAA Examiner. This file can be directly downloaded from our server and immediately consumed in any PDF viewing application, on any device that you choose. There are no viewing restrictions or limitations. You will receive instant access to the PDF File immediately after checkout.

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Lesson Plan Outline

Weather Theory

The content below has been derived directly from the Weather Theory CFI Lesson Plan. This information has been published so our customers can see what content is included in the lesson plan.

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Easy to Understand

You don’t need a P.H.D. in Aeronautics to understand our comprehensive material. It's clear, concise, extremely detailed, and easily understood.

Atmospheric Composition

78% Nitrogen

21% Oxygen

1% Other Gases

Layers Of The Atmosphere







Thermosphere and Ionosphere


Standard Atmosphere


United States

Standard Temperature Lapse Rate


United States

How Weather is Created

Why Temperature Changes

Diurnal Variation

Seasonal Variation

Latitudinal Variation

Topographical Variation

Altitude Variation

Pressure Variations

Pressure Systems




General Overview

Circulatory Cells in the Western Hemisphere

Polar Cell - 60° to the Top

Hadley Cell - 30° to 60°

Ferrel Cell - 0° to 30°

Other Causes of Convection

Valley Breeze

Mountain Breeze

Katabatic Winds

Cold Downslope Winds

Warm Downslope Winds

Land/Sea Breeze


Moisture Content

Relative Humidity - RH%

Calculate Cloud Bases

Dew Point

Temperature/Dew-Point Spread

The Changing State

Types of Heat Exchange

Super Cooled Water Droplets

Cloud Formation

Air Cooling

Different Types Of Clouds

High Clouds - (16,500’ to 45,000’)

Middle Clouds - (6,500’ to 23,000’)

Low Clouds - (Surface to 6,500’)

Extensive Vertical Development

Cloud Stability

Types of Fog


Visibility Restrictions

Characteristics of a Stable Atmosphere

Characteristics of an Unstable Atmosphere

Rising and Descending Air

Adiabatic Lapse Rate

Stability Depends on Ambient Lapse Rate

Air Masses

Coriolis Force

Frontal Systems Defined

Differences of Frontal Systems

Frontal Behavior

Squall Lines

Types Of Fronts

Cold Front

Warm Front

Stationary Front

Occluded Front

Causes Of Turbulence


Man-Made Obstructions

Mountain Waves

Wind Shear

Frontal Turbulence

Wake Turbulence

Thunderstorm Ingredients

Lifecycle of a Thunderstorm

Cumulus Stage

Mature Stage

Dissipating Stage

Thunderstorm Types

Air Mass





Severe Thunderstorm Classification

Thunderstorm Hazards


Squall Lines




Low Ceilings and Visibility

Rapidly Falling Pressure


Precipitation Static


Avoiding Thunderstorms

Inadvertent Entry Into a Thunderstorm

Icing Conditions

Ice Formation

Supercooled Droplets

Icing Intensity and Clouds

Induction Icing

Instrument Icing

Different Types Of Icing

Structural Ice

Rime Ice

Mixed Ice

Frost Ice

Clear Ice

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