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Cloud Types and Terms, Clouds, Atmospheric Phenomena and Snow and Ice
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Such as oxides of sulfur and nitrogen, to make them acidic.
Oxygen accounts for 20.946% of the total
High albedos are highly reflective substances, such as snow
As an example, valley breezes
Area of pressure with a rotation opposite that of earth
Composed primarily of nitrogen and oxygen.
Rather than the normal west to east movement. For instance, one that enters Southern New England from the Gulf of Maine.
It is common on roadways during the fall and early winter and appears "black" because of its transparency.
Usually with little or no foliage.
When the sky is broken or overcast.
In the Northern Hemisphere winds are deflected to the right, and in the Southern Hemisphere to the left.
Whose temperatures have fallen to the dew point temperature.
Falls from stratus clouds
Also called a whirlwind, it develops best on clear, dry, hot afternoons.
El Nino events usually occur every 3 to 7 years, and are characterized by shifts in "normal" weather patterns.
The heaviest rain, strongest winds and worst turbulence are normally in the eye wall.
Occurs during calm conditions
Resulting in a coating of ice on exposed objects.
The gases most responsible for this effect are water vapor and carbon dioxide.
When it comes in contact with the ground. Also known as radiation fog.
Usually lasting 20 seconds or less
They are caused by the refraction of light through the ice crystals in cirrus clouds.
Used to reflect how the temperature feels rather than the actual temperature
Accompanied by anticyclonic and outward wind flow in the northern hemisphere. Also known as an anticyclone.
Usually following a substantial period of cool weather.
Derived from, 'incoming solar radiation
The reverse of the normal cooling with height in the atmosphere.
Influential on directing weather systems
Accompanied by cyclonic and inward wind flow in the northern hemisphere. Also known as a cyclone.
Visibility between one and two km
Also known as an occlusion.
This can create orographic clouds and/or precipitation.
Responsible for filtering out much of the sun's ultraviolet radiation.
Also known as atmospheric pressure.
Having diameters greater than drizzle.
Compared to the amount the air could hold if it was totally saturated. Expressed as a percentage.
With neither advancing upon the other.
Also known as a mesocyclone. It poses an inordinately high threat to life and property. Often produces large hail, strong winds, and tornadoes.
There are roughly 18,000 thunderstorms occurring on Earth at any given moment.
Usually associated with gusty winds, heavy rain, and sometimes hail and tornadoes.
And in contact with the ground. A tornado does not require the visible presence of a condensation funnel cloud.
They blow from the subtropical high pressure centers towards the equatorial low.
Winds between 20 and 34 knots.
A slight cyclonic circulation and winds less than 20 knots.
Wind speed between 35 and 64 knots.
I.e., a tornado over the water.
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