Weather Types

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by nmwnmw
Last updated 5 years ago

Weather and Climate

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Weather Types

Weather Types

Dust Storms: Dust storms are created by winds moving across an arid region. Many times a strong dry cold front is the mechanism that creates the dust or sand storm. As strong winds move across an arid landscape, sand or dirt is picked up from the ground

Sleet: Sleet or ice pellets are created when snow falls into air above freezing and melts into rain drops

Freezing Rain/Ice: Freezing rain - known as "ice" occurs when a thin layer of freezing or below freezing air exists near the earth's surface.

Snow: Snowflakes are made as water ice crystalizes. The crystals may form in many different shapes dictated by the water content and temperature in the cloud as the snowflakes are forming

Tornado: Tornadoes are created in strong wind shear conditons. Invisible horizontal tubes of spinning air are created by this process. As thunderstorms form, these tubes are titlted vertically. Thunderstorms start to rotate with diameters ranging from 2-6 miles. If the rotation is strong enough, a wall cloud develops. This is a cloud that rotates, hanging low under the updraft of the thunderstorm.

Clouds: Low clouds are from the surface to about 6,500 feet and are usually composed of water droplets unless temperatures are several degrees below freezing. Clouds on the ground are called fog. Middle clouds range from about 6,500 feet to about 20,0000 feet. They are also mostly composted of water droplets unless temperatures are cold. High clouds are above 20,000 feet and are composed of ice crystals

Lightning: tiny positively charged sparks reach up in response to negatively charges in the air or clouds above the ground

Hurricanes: Hurricanes usually form in the summer or early autumn when several key atmospheric ingredients come together. Contrary to common belief, many factors other than warm ocean water cause hurricanes to form. In fact, the water is always warm enough in the deep tropics for hurricanes to form all year long. During the winter and spring, upper air winds are hostile, and usually do not allow tropical cyclone development

Fog: Fog is a stratus cloud on the ground. There are several types of fog. Advection fog is produced by a hortizontal motion of warm moist air over colder ground.

Wind: Wind is air in motion in the atmosphere. Windy weather is caused by an imbalance of heating in the atmosphere. It can be caused from an imbalance from solar heating or a difference over a boundary such as a front.

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