Weather — Science definition

Atmospheric conditions at a particular place over a relatively short interval.

Where it is taught

In use

Almost everything called weather is that variable component changing state.

Atmosphere, Clouds & Weather Records

Questions using weather

Problem 1

Which statement correctly uses weather in Atmosphere, Clouds & Weather Records?
  1. A noon temperature record automatically gives the whole day’s maximum.
  2. A forecast is a guaranteed observation of the future.
  3. weather: Atmospheric conditions at a particular place over a relatively short interval.
  4. One illustrative result establishes every real condition and needs no further evidence.
Answer and explanation

weather: Atmospheric conditions at a particular place over a relatively short interval.

Atmospheric conditions at a particular place over a relatively short interval. Noon temperature decreases from 19 to 15 °C across the three records. Pressure drops to 1,006 hPa on the rainy day and rises afterward. This small table is consistent with changing weather, but it does not prove pressure alone caused rain, give daily maxima, or establish a rule for every storm.

Problem 2

Which statement correctly uses front in Atmosphere, Clouds & Weather Records?
  1. One illustrative result establishes every real condition and needs no further evidence.
  2. A forecast is a guaranteed observation of the future.
  3. A noon temperature record automatically gives the whole day’s maximum.
  4. front: A boundary region between air masses with contrasting properties.
Answer and explanation

front: A boundary region between air masses with contrasting properties.

A boundary region between air masses with contrasting properties. Noon temperature decreases from 19 to 15 °C across the three records. Pressure drops to 1,006 hPa on the rainy day and rises afterward. This small table is consistent with changing weather, but it does not prove pressure alone caused rain, give daily maxima, or establish a rule for every storm.

Problem 3

Which statement is scientifically accurate for Atmosphere, Clouds & Weather Records?
  1. weather: Atmospheric conditions at a particular place over a relatively short interval.
  2. A forecast is a guaranteed observation of the future.
  3. A noon temperature record automatically gives the whole day’s maximum.
  4. Every classroom model reproduces reality exactly.
Answer and explanation

weather: Atmospheric conditions at a particular place over a relatively short interval.

Atmospheric conditions at a particular place over a relatively short interval. Noon temperature decreases from 19 to 15 °C across the three records. Pressure drops to 1,006 hPa on the rainy day and rises afterward. This small table is consistent with changing weather, but it does not prove pressure alone caused rain, give daily maxima, or establish a rule for every storm.

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