Air masses
Where do continental air masses form?
Over land
ALL fronts create..
LOW PRESSURE
What kind of weather does a high-pressure system bring?
What are the three types of global wind?
Trade winds
Prevailing westerlies
Polar easterlies
Which layer is closest to the earth's surface?
Where do polar air masses form?
Over cool areas
How long does a cold front last?
12-24 hours
What kind of weather does a low-pressure system bring?
Cloudy, rainy, gloomy weather
What latitude does Polar easterlies blow to and from
90 to 60
In which layer of the atmosphere does weather occur?
Troposphere
Name TWO of the 5 major air masses
-
Continental Artic (cA)
Continental Polar (cP)
Maritime Polar (mP)
Continental Tropical (cT)
Maritime Tropical(mT)
Which front lasts SEVERAL DAYS
Stationary front
How does wind flow?
From high-pressure to low pressure
Prevailing westerlies (which direction they blow from and to)
West to East
Why is ozone important?
It protects us from UV rays
What kind of weather does maritime tropical create?
Warm, hot humid
What kind of slope occurs with a cold front
Steep slope
How does air circulate in a high-pressure system?
Clockwise
Global winds are affected by
Convection currents
Which layer does weather occur?
The Troposphere
Which air mass forms over central Canada?
Continental Arctic
name the front... It brings moderate to severe precipitation, and possible thunderstorms. Clear and dry skies after it passes with cooler air.
OCCLUDED FRONT
What do Meteorologists use to keep track of pressure on a map?
Isobars
What role does Global Wind play in daily weather for New England?
Global Wind moves the weather from west to east in New England.
In the Troposphere, as you increase in altitude...
temperature decreases