Which indication on the barometer is most meaningful in forecasting weather?
Official USCG Answer & Rule Citation
Correct Answer: Option B — The direction and rate of change of barometric pressure
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'Which indication on the barometer is most meaningful in forecasting weather', the verified fact is: 'The direction and rate of change of barometric pressure'.
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