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 airClimate: 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 rainCondensation: 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