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Weather Patterns of the Pacific Coast

Weather Patterns of the Pacific Coast. Rain and Snowfall Patterns. Water from the Sky. Topographic Lifting, Condensation, and Rainfall. Clouds form anytime that moist air rises and cools below the dew poin t . As the water droplets get larger, some get so heavy, they fall to the sky as rain.

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Weather Patterns of the Pacific Coast

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  1. Weather Patterns of the Pacific Coast Rain and Snowfall Patterns FREEING THE ELWHA

  2. Water from the Sky FREEING THE ELWHA

  3. Topographic Lifting, Condensation, and Rainfall Clouds form anytime that moist air rises and cools below the dew point. As the water droplets get larger, some get so heavy, they fall to the sky as rain. If the temperature gets cold enough, it can fall as snow. FREEING THE ELWHA

  4. Rainshadow Effect Windward Leeward Rainshadow Desert Coastal rainforests Drier intermountain trough Ocean FREEING THE ELWHA

  5. Rainshadow Effect FREEING THE ELWHA

  6. Precipitation Map of Washington FREEING THE ELWHA

  7. Precipitation Patterns and Snow Pack Forks, WA Seattle, WA Moses Lake, WA Cool Wet Winters and Warm Dry Summers FREEING THE ELWHA

  8. Rainshadow Effect Cross-Section FREEING THE ELWHA

  9. The Build Up of Winter Snowpack Late November Late March October Late March Late December FREEING THE ELWHA

  10. Mid-July Mid-August Mid-October The Summer Snowpack Meltout Early June FREEING THE ELWHA

  11. Some snow fields will not melt completely in summer. Permanent Snow and Glaciers FREEING THE ELWHA

  12. The Movement of a Glacier Crevasses Terminal Moraine FREEING THE ELWHA

  13. This project was made possible in part by a grant from Washington’s National Park Fund. FREEING THE ELWHA

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