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Meteorologists use many sophisticated tools to make any weather forecast, but most notably they use computer models run by different supercomputer.

If they wanted to determine wind speed, the primary variable in these model ouputs they would look at would be the pressure gradient. Wind is a direct result of pressure gradient force, in other words, the horizontal difference in pressure from one place to another. Large pressure differences generate strong winds.

Realistically though, models output many types of wind speed at different atmospheric levels, making it easier for the forecaster.

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12y ago
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Q: How does a meteorologist know that it will be windy?
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