USCG Meteorology and Weather 3

Question 1

What is the primary purpose of checking weather forecasts before departure?

Accepted Answer

To plan the voyage for safety and efficiency

Answer

Reviewing weather forecasts before departure allows mariners to plan routes that avoid hazardous conditions, ensuring the safety of the vessel and crew.

Question 2

Wind speed is measured using which instrument?

Accepted Answer

Anemometer

Answer

An anemometer measures wind speed; the readings are often combined with a wind vane to provide both speed and direction.

Question 3

What does a veering wind (clockwise shift) in the Northern Hemisphere generally indicate?

Accepted Answer

Improving weather as a high pressure system builds

Answer

A veering (clockwise) wind shift in the Northern Hemisphere typically accompanies the passage of a cold front or the building of a high-pressure system, often signaling improving conditions.

Question 4

What is the recommended action when a vessel receives a severe thunderstorm warning?

Accepted Answer

Seek shelter in a protected anchorage or harbor if possible

Answer

When a severe thunderstorm warning is issued, the safest action is to seek a protected anchorage or harbor to avoid lightning, waterspouts, and high seas.

Question 5

What is the dew point temperature?

Accepted Answer

The temperature at which air becomes saturated and condensation forms

Answer

The dew point is the temperature to which air must be cooled at constant pressure for water vapor to condense into dew or fog.

USCG - United States Coast Guard Practice Test

USCG - United States Coast Guard Practice Test

USCG Meteorology and Weather 3