AB AB Meteorology and Weather Observation

Question 1

What does a rapidly falling barometer indicate?

Accepted Answer

Approaching storm

Answer

A rapidly falling barometer indicates an approaching storm or rapidly deteriorating weather conditions.

Question 2

What is the Beaufort scale used to measure?

Accepted Answer

Wind force and sea state

Answer

The Beaufort scale is an empirical measure that rates wind force from 0 (calm) to 12 (hurricane) along with the corresponding sea state.

Question 3

A 'backing' wind shifts in which direction?

Accepted Answer

Counterclockwise (e.g., S to E)

Answer

A backing wind shifts counterclockwise in direction and often signals deteriorating weather or an approaching frontal system.

Question 4

Which cloud type typically appears first ahead of an advancing warm front?

Accepted Answer

Cirrus

Answer

Cirrus clouds, high and wispy, are the first to appear far ahead of a warm front and signal its approach 24–48 hours out.

Question 5

What is the approximate wind speed range for Beaufort Force 6?

Accepted Answer

22–27 knots

Answer

Beaufort Force 6, called a 'strong breeze,' corresponds to winds of 22–27 knots with large waves beginning to form.

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