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Weather
What is weather?
• The state of the atmosphere and air; heat or
cold, wet or dry, calm or storm, wind,
pressure, cloudiness or clearness, moisture,
pressure, temperature and the condition of
the atmosphere; warm, cold, dry, wet
• There are also extremes: tornadoes,
hurricanes, high winds, monsoons, blizzards
Important Vocabulary
Temperature: the degree of hotness or coldness in the
environment, measured by a thermometer degrees
Fahrenheit or Celsius
-Gabriel Fahrenheit set the freezing
point at 32 degrees and boiling at 212
degrees
Barometric Pressure: force exerted on objects by the
weight of the atmosphere above, the air around and
above us does weigh down on us
Important Vocabulary
Humidity: the amount of water vapor in the air
Climate: the long term weather conditions in a certain
area including precipitation, temperature, humidity,
wind ect.
Precipitation: liquid or solid water that forms in the sky
and falls to the ground
Cloud: cluster of tiny water or ice particles in the
atmosphere
Forecast: description of the conditions expected that
day and the following
Important Vocabulary
Thunderstorm: a storm with lightening and thunder
that is formed by cumulonimbus clouds, with big
winds, hail and heavy rain
Hurricane: gather heat and energy through contact
with warm waters, when it comes to land it creates
strong winds, heavy rain and large damaging waves
Tornado: violent rotating column of air,
in contact with ground
Important Vocabulary
Fog: cloudlike layer of water droplets or ice crystals
near the earth surface that affects visibility
Drought: a period of dry weather; no rain
Condensation: process where a vapor becomes a liquid
or a solid; opposite of evaporation
Hail: precipitation in the form of ice made by layers of
ice