Vocabulary
Lines of equal pressure on a weather map
isobars
Depiction of weather data for a particular location at a particular time
station model
The horse latitudes are two belts of surface winds that occur between latitudes 30 degrees N and 60 degrees N and 30 degrees S and and 60 degrees N
false - prevailing westerlies
What does a large temperature gradient at high altitudes of the atmosphere cause?
polar jet streams
which weather condition occurs as a result of an occluded front?
Strong winds and rain
Current state of the atmosphere
weather
A _________ is used to measure relative humidity
Hygrometer
Meteorologists use a special kind of radar, which is based on the polar easterlies, to plot the movement of precipitation
False - doppler effect
Which is not one of Earth’s three basic wind systems or zones?
polar jet streams
Which is the most accurate forecast type:
Short-term digital forecast
A forecast that relies on numerical data
digital forecast
_______ describes the narrow region separating two air masses of different densities
front
Narrow bands of fast winds are called trade winds
false - jet streams
Which location on Earth receives the most solar radiation in any given year?
the tropics
What is a station model used to create?
surface weather map
Long-term variations in weather conditions over a particular area
climate
The deflection of air due to the rotation of Earth is called the ___________
coriolis effect
A balloon-transported package of sensors is called a source region
false - radiosonde
An example of climate:
average rainfall over 30 years
Identify the weather feature that might be indicated by a by a drastic temperature change over a short distance on a surface analysis
drastic change - likely a cold front
Large volume of air that takes on the characteristics of the area it forms over
air mass
Lines of equal temperature on a weather map are called:
isotherms
An instrument that measures wind speed is called a barometer
false- anemometer
Which instrument is not used to measure surface weather?
radiosnode
What is the main benefit of the digital forecast?
it allows for the assimilation and processing of vast amounts of data at many locations and heights throughout the atmosphere