Question

Why do predictions by the European weather model sometimes differ from predictions made by the American weather model?

Answer 1

B

The European weather model sometimes differ from predictions made by the American weather model because The two models use different types of data measurements

The amount of solar energy that reaches Earth is changed by the Milankovitch cycles

Explanation:

(I)

Remember that in the United States, they use different SI units as compared to Europe. For example, Europe uses degrees Celsius as a measure of temperature while the United States uses Fahrenheit.  In addition, the United uses Pounds for weight measurements while Europe uses  Kilograms and grams. The US uses miles while Europe uses kilometers. The United States uses yards while Europe uses meters.

The differences can cause a difference in the  input and output measurement gotten from the models. However, the models are the same because the basic principles of weather across the world are the same.

(II)

Milankovitch cycles are differential changes in the earth as it revolves, around the sun, in its orbit. They explain the changes in the orbital eccentricity of the earth's orbit, the changes in the tilt of the earth (obliquity), axial and apsidal precessions. All these affect how the earth is oriented, in space, towards the sun. The orientation affect how the sun rays ‘hit’ the earth. Differences in how different places on earth receive the sunlight affect the climate of the regions. These changes occur very slowly, relative to our time,  hence the changes also are hard to perceive except over decades and millennia.

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