Across
- 2. - A large body of snow, ice or rock and debris sliding down a mountain. Worldwide, about one million snow avalanches occur per year.
- 5. - A light wind.
- 7. - A forecast issued by the National Weather Service to highlight conditions that require caution, but are not thought to be immediately life threatening.
- 8. - A low pressure system. It is a term variously applied to tornadoes, waterspouts, dust storms, hurricanes and even to any strong wind.
- 9. - A weather instrument that measures the wind speed.
- 12. - A layer of gases surrounding a planet. The Earth’s atmosphere is divided into five layers: exosphere, thermosphere, mesosphere, stratosphere, and troposphere.
- 13. - Light rain consisting of water droplets that are very small.
- 14. - The season of the year that occurs after summer and before winter. Autumn officially begins in late September.
Down
- 1. - An intense winter storm with winds of 35 m.p.h. or higher with falling and/or blowing snow to reduce visibility below 1/4 mile for at least three hours.
- 2. - A high-pressure system that moves in a clockwise motion. These bring you sunny skies.
- 3. - A prefix to cloud-type names for clouds that are at high altitudes and composed of ice crystals.
- 4. - Water that forms on objects close to the ground when its temperature falls below the dew point of the surface air.
- 5. - An instrument that measures air pressure.
- 6. - The mixture of gases, which form the atmosphere of the Earth.
- 10. - The shaking or movement of a portion of the Earth's surface.
- 11. - A strong downward rush of air, which produces a blast of damaging, winds on or close to the surface.