Meteorology · Observation
The Beaufort scale is used to estimate:
- ABarometric pressure tendency
- BCloud height
- CWind force, by the appearance of the sea surface and its effects✓ Correct
- DThe dew point
Explanation
The Beaufort scale (force 0–12) relates wind force to observable effects — sea state, wave height, spray, and whitecaps — letting a mariner estimate wind speed without instruments.
Authority: Bowditch (Pub. No. 9)
Practice the full Meteorology bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Meteorology questions
- Atmosphere & Pressure
Standard atmospheric pressure at sea level is approximately:
- Atmosphere & Pressure
One millibar (mb) is equal to:
- Atmosphere & Pressure
A barometer that is falling rapidly most likely indicates:
- Atmosphere & Pressure
On a surface weather chart, isobars spaced very close together indicate:
- Wind
By convention, a wind is named for:
- Wind
In the Northern Hemisphere, the Coriolis effect deflects moving air: