Which of the following is NOT a Tropopause symbol on a SIGWX chart?

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Multiple Choice

Which of the following is NOT a Tropopause symbol on a SIGWX chart?

Explanation:
On SIGWX charts, the tropopause is shown using symbols that indicate whether its altitude is unusually high, unusually low, or tied to a specific reference level. The high symbol flags areas where the tropopause sits higher than normal, which can influence jet streams and storm development. The low symbol marks regions where the tropopause is lower than normal, indicating a deeper troposphere in those areas. The level symbol is used to indicate the tropopause at a defined altitude as a fixed reference. There isn’t a standard symbol for a mid tropopause, so Tropopause MID isn’t used on these charts.

On SIGWX charts, the tropopause is shown using symbols that indicate whether its altitude is unusually high, unusually low, or tied to a specific reference level. The high symbol flags areas where the tropopause sits higher than normal, which can influence jet streams and storm development. The low symbol marks regions where the tropopause is lower than normal, indicating a deeper troposphere in those areas. The level symbol is used to indicate the tropopause at a defined altitude as a fixed reference. There isn’t a standard symbol for a mid tropopause, so Tropopause MID isn’t used on these charts.

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