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Table of Contents

 

Part 1 Large-scale Influences on Oregon's Weather and Climate 1
Part 2 Weather Elements 7

Precipitation 8

Temperature 15

Winds 17

Humidity 19

Cloud Cover and Solar Radiation 22

Snow 23

Fronts--A More Detailed Look 25

Local Winds 31


Part 3 Forecasting and Talking about the Weather 39

Tips for Amateur Weather Forecasters 40

Historical and Contemporary Perceptions of Oregon's Weather 46


Part 4 Oregon: A State of Extremes 55

Temperatures 56

Wet and Dry Extremes 61

Heat Waves 64

Cold Spells 67


Part 5 Weather Events 71

Ice Storms 72

Floods 77

Snowstorms 104

Tornadoes 123

Windstorms 138

Cold Weather 158

Thunderstorms 170

Rainstorms 176

Hot Weather 187

Drought 195


Part 6 Appendices 205

Access to Data via the Internet 206

Measuring, Archiving, and Delivering Weather and Climate
Information in Oregon 207

Weather Observer's Report Form 223


Glossary 225
Bibliography 234
Index 235
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