weather Flashcards
humidity
the water vapor in the air
Cumulus Cloud
Cumulus clouds are clouds which have flat bases
Stratus Cloud
Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base
Cirrus Cloud
Cirrus is a genus of atmospheric cloud generally characterized by thin,
Cumulonimbus Cloud
Cumulonimbus, from the Latin cumulus and nimbus
Condensation
water that collects as droplets on a cold surface when humid air is in contact with it
Evaporation
the process of turning from liquid into vapor.
Precipitation
rain falling from the sky
Runoff
the draining away of water
Rain
Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then becomes heavy enough to fall under gravity
Sleet
a form of precipitation consisting of ice pellets, often mixed with rain or snow.
Snow
Snow refers to forms of ice crystals that precipitate from the atmosphere and undergo changes on the Earth’s surface.
Hail
pellets of frozen rain that fall in showers from cumulonimbus clouds.
Polar – Maritime Airmass
the polar air
Tropical – Maritime Airmass
tropical air in the atmosphere
