Weather Patterns
Pressure Systems
Air Masses
Weather Fronts
High Pressure Systems
Low Pressure Systems
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Cold Front
Occluded Front
Stationary Front
Maritime
Continental
Tropical
Polar
Tropical
Polar
Arctic
Warm Front
cold air mass meets warm air mass but little movement occur
a fast cold air catch slow warm airmass
air sinking high pressure air called anti cyclone
air rising low air called depression
moving fast and bring cold temperature
cold in winter and summer
tropic over dry dessert land
bring clear skies and high temperatures
forming over Siberia and Arctic
forming western Atlantic ocean, the gulf of Mexico and eastern of Pacific
moist air masses bring hot and humid to eastern of pacific
temperature are cold and humid
forming northern Atlantic and pacific Oceans
cold air toward warm air
warm air move toward to the cold air
bring Nimbostratus cloud and long rain
weather condition are warm clear
cumulonimbus clouds, thunderstorm, heavy rain, snow
cool temperature and lot of precipitation
cloud and long rain
cold, dry air, temperature can be -40 degree Celsius
in winter can bring heavy snow fall
usually form in summer
measuring weather
thermometer
measuring temperature
rain gauge
measuring rainfall
anemometer
windspeed
barometer
measuring air pressure
windvane
see the wind direction