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Weather Factors
Air Masses & Fronts
Severe Weather
Vocab
Miscellaneous
100
The type of precipitation that falls when the temperature is below freezing throughout an air column.
What is Snow?
100
The type of air mass that is dry and warm.
What is cT (continental tropical)?
100
A violently rotating column of air that touches the ground and is associated with strong thunderstorms.
What is a Tornado?
100
The term that describes the percentage of water vapor present in air.
What is Relative Humidity?
100
As storms approach, this happens to the pressure.
What is drops?
200
The characteristics of air located at high pressure.
What is dry, descending, cool, dense air?
200
The type of air mass that would form over warm water.
What is mT (maritime tropical)?
200
The length of time conditions need to exist for a storm to be considered a blizzard.
What is 3 hours?
200
The state of the atmosphere at a specific time and place.
What is Weather?
200
Less water is able to evaporate if these conditions exist.
What is cold and/or humid?
300
Type of precipitation that occurs when snow falls through a small warm layer and freezes before reaching the surface.
What is Sleet?
300
3 types of cloud associated with a warm front.
What is a nimbostratus cloud?
300
Two types of precipitation that generally occur with particularly strong thunderstorms.
What is Heavy Rain and Hail?
300
The name for the line on a weather map that indicates areas of the same pressure.
What is an Isobar?
300
Clouds form because this occurs.
What is warm, moist air is forced upward and cools and condenses?
400
The rotation of air around a low pressure system moves in this way in the northern hemisphere.
What is inward (towards the low) and counterclockwise.
400
The current type of weather associated with a city ahead of a warm front.
What is cool temperatures and long periods of steady rain or snow?
400
This is issued if weather conditions exist that could indicate the formation of severe weather.
What is Severe Weather Watch?
400
A weather instrument that can be used to measure relative humidity.
What is a Psychrometer?
400
The relative humidity of air at 25 degrees C that contains 7 g/m3 of water vapor.
What is 32%?
500
The four factors or conditions that create the weather.
What temperature, air pressure, wind, and moisture?
500
The weather forecast that is associated with a city ahead of an occluded front.
What is temperatures dropping from cool to cold and thunderstorms/long periods of rain disappearing to clear skies.
500
The most damaging area of a hurricane.
What is the front right of the storm?
500
The temperature at which air is saturated with water vapor.
What is the Dew Point?
500
Air at 25 degrees C has a RH of 70%. If the temperature drops to 20 degrees C. Is the dew point reached? What is the new Relative Humidity?
What is Yes, dew point is reached (15.4 > 15). The new relative humidity is 100%.