Lesson 1 - Describing Weather
The atmospheric conditions, along with short-term changes, of a certain place at a certain time
What is weather?
The most powerful severe storm
What is a hurricane?
The lines on a weather map that connect points of equal atmospheric pressure.
What are isobars?
______humidity is a measure of the amount of water vapor that air is holding compared to the amount needed for saturation at a specific temperature
What is relative humidity?
The type of cloud that is flat, white, and layered
The force that a column of air applies on the air or a surface below it.
What is air pressure?
Frigid air that travels southward from Canada
Issued when the conditions are right for severe weather, but is not occurring yet.
What is a severe weather watch?
The type of cloud that forms near Earth's surface
What is fog?
The amount of water vapor in the air.
What is humidity?
The type of air mass is formed over the ocean near the equator.
A package of weather instruments carried many kilometers about the ground by a weather balloon.
What is a radiosonde?
The type of weather you would see during a high pressure system
What is a nice clear day?
The boundary between cold and warm air masses
What is a front?
The temperature at which air is saturated and condensation can occur.
What is the dew point?
Issued when severe weather conditions already exist.
What is a warning?
Can detect precipitation as well as the movement of small particles, which can be used to approximate wind speed.
What is doppler radar?
The type of weather you find in a low pressure system
What is cloudy weather?
The air mass that would likely cause hot and humid weather during the summer
What is Maritime tropical?
Is water, in liquid or solid form, that falls from the atmosphere.
What is precipitation?
The classification of tornado on the Fujita scale that is the most dangerous.
What is F5?
Shows weather conditions at one specific location.
What is a station model?
Where Maritime air masses form
What is over water?
__________ can be produced by thunderstorms
What are tornadoes?