Natural Disasters

2. intense low pressure areas that form over warm ocean waters in the summer and early fall
6. occurs when a layer of snow collapses and slides downhill
8. a transient storm of lightning and thunder, usually with rain and gusty winds, sometimes with hail or snow, produced by cumulonimbus clouds
9. a series of enormous waves created by an underwater disturbance usually associated with earthquakes occurring below or near the ocean
10. a rapidly rotating column of air extending from a thunderstorm to the surface of the Earth.

1. a major adverse event resulting from natural processes of the Earth
3. occurs most commonly from heavy rainfall when natural watercourses do not have the capacity to carry excess water
4. an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves.
5. geologic process in which gravity causes rock, soil, artificial fill or a combination of the three to move down a slope
7. volcanos ______ when molten rock called magma rises to the surface