Which feature is represented by the Tropopause LOW symbol on a SIGWX chart?

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Multiple Choice

Which feature is represented by the Tropopause LOW symbol on a SIGWX chart?

Explanation:
The symbol signals that the boundary between the troposphere and the stratosphere is lower than normal in that area. The tropopause is the ceiling for most weather systems, so when it sits lower, the upper limit of weather activity is depressed, meaning cloud tops and storm tops tend to be lower and the temperature profile aloft is cooler at lower levels. This helps pilots anticipate lower-than-usual upper-air ceilings and the overall weather picture in that region. It’s not indicating a higher tropopause, nor a generic “level” tropopause, and icing is shown with different symbols.

The symbol signals that the boundary between the troposphere and the stratosphere is lower than normal in that area. The tropopause is the ceiling for most weather systems, so when it sits lower, the upper limit of weather activity is depressed, meaning cloud tops and storm tops tend to be lower and the temperature profile aloft is cooler at lower levels. This helps pilots anticipate lower-than-usual upper-air ceilings and the overall weather picture in that region. It’s not indicating a higher tropopause, nor a generic “level” tropopause, and icing is shown with different symbols.

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