Weather Glossary

Subtropical Jet

Plain English first, then the technical definition. From the LightningWX Weather Course.

What Is Subtropical Jet?

A fast wind current high up near 30 degrees latitude, often bringing moisture and clouds. In technical terms: A westerly jet near 200 hPa (about 12-14 km) at the poleward edge of the Hadley cell, typically around 25-35° latitude and most prominent in winter.

Subtropical Jet In Plain English

A fast wind current high up near 30 degrees latitude, often bringing moisture and clouds.

The Technical Definition

A westerly jet near 200 hPa (about 12-14 km) at the poleward edge of the Hadley cell, typically around 25-35° latitude and most prominent in winter.

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