Weather Terms - Fox 28: South Bend, Elkhart IN News, Weather, Sports

Weather Terms

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Here are some terms commonly used by the FOX 28 weather team.

Atmosphere
The blanket of air surrounding earth.

Cold Front
The leading edge of a cold air mass that is displacing the warmer air ahead of it.

Dew Point
The temperature to which air must be cooled in order for it to be saturated. If skies are clear, dew will form.

Heat Index
The apparent temperature to the human body based on both air temperature and the amount of moisture present in the air.

High
A region of air with higher barometric pressure and clockwise winds; usually associated with fair weather.

Jet Stream
Strong winds in the higher levels of the atmosphere that separate areas of different temperatures and act as steering currents for fronts.

Low
A region of air with lower barometric pressure and counter-clockwise winds; usually associated with stormy weather.

Relative Humidity
The percentage of water vapor in the air compared to how much could be there.

Stationary Front
A boundary that separates two different air masses exhibiting little or no movement.

Warm Front
The leading edge of a warm air mass that is displacing the colder air ahead of it.

Wind Chill
The apparent temperature to the human body based on both air temperature and wind speed.

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