Introduction • Characteristics of Mountain Weather • How does weather effect skiing? • How does weather effect your ski routing? • Getting a Weather Forecast at Home. • Forecasting the weather in the field • Altimeter Use for Forecasting. • Understanding Weather Concepts. • Mountain Weather Indicators • High Pressure • Low Pressure • The Effects of Wind • Changes in the season and frequency of storms • Regional influences • Effects of new snow fall • Effects of rain • Planning for Bad Weather • Rings around the sun • Star Visibility • Weather and Sound • Compass Direction of the Wind • Temperature • Stages of Incoming Weather • Warm Sunny Weather • Recognizing Clouds • Recognizing Clouds “Decks” • High Cirrus Clouds • Lenticular Clouds • Altocumulus Clouds • Horse Tail Clouds • Cumulonimbus Clouds • The Rules of Thirds •Lightning and Skiing • Descending Ceiling and Wind • Increasing Winds with Ground Flurries • Skiing in White Out Conditions • Trusting Your Instruments • Table of Barometric Measures• Fog • Making Camp in Bad Weather • Talking and Communication in Bad Weather • Group Conduct in Bad Weather • Wax Use on Skis and Skins in Different Weather Conditions • Use of Goggles and Glasses • Clothing Adjustments in different Weather Conditions. • Conclusion