⚓ BUSBYMELODY Training

WX0103 · Introduction to Marine Weather

21 questions · 18 multiple choice · 3 written · ASA 109 Marine Weather — Introduction to Marine Weather

← all quizzes · topic: ASA 109 · WX0103

0 of 21 answered
AI queries on this quiz: 0 · ≈ $0.00
MC: click A/B/C/D. Written: type an answer, then reveal the reference, grade, or ask Claude. Answers stay hidden by default — use Show answers to reveal all at once. AI responses are saved in your browser.
Q1
The instrument used to measure wind speed on a boat is called a...
💡 Show hint

Two of these answers are almost synonyms.

Q2
The wind is from 270 and then it shifts to 260.
💡 Show hint

One of the most fundamental definitions in marine weather.

Q3
A weather map shows a wind report arrow with two feathers, one long one and one short one. What reported wind speed does this symbol represent?
💡 Show hint

These are symbols representing actual wind observations from ship reports.

Q4
We see two wind arrows near each other on a surface analysis map representing two different ship reports. Each wind arrow has one feather, but on one the feather is longer and starts at the end of the arrow, and on the other the feather is shorter and starts about halfway down the arrow. What is the maximum difference in wind speeds that these two reports might represent?
💡 Show hint

Recall the wind range that each symbol represents.

Q5
An East wind could be a sea breeze just off the coast of which state?
💡 Show hint

It is all in the definition of the term.

Q6
When someone says they know marine weather, this usually means that they know about ...?
Q7
What is the most beneficial objective or reason for studying marine weather?
💡 Show hint

The question here is to guess what the instructor’s opinion on this subject might be.

Q8
In most practical applications of marine weather we are primarily concerned with ...?
💡 Show hint

The answer applies to power and sail vessels, large and small.

Q9
Wind is the primary weather concern in navigation to both power and sail vessels, because wind ...?
Q10
True or false: When navigating offshore, the master of a smaller slow vessel does not need to know as much marine weather as a ship captain might, because the smaller vessel can’t do anything about it underway?
Q11
For a sailor dependent on the wind for propulsion, knowledge of marine weather in ocean voyaging is used most often and is of most value for ....?
💡 Show hint

When we think of marine weather, the first thing that usually comes to mind is bad weather. Is this realistic?

Q12
True or false: Marine weather is more important to sailors than to power boaters?
💡 Show hint

Assuming roughly the same type of vessel usage.

Q13
Your vessel is in the center of the page in G185. Which vessel is NOT downwind of you?
💡 Show hint

The question involves basic terms and conventions.

Q14
Your vessel is in the center of the page in G185. Which vessel is NOT to windward of you?
Q15
In US coastal waters, what would the primary wireless weather source for most recreational mariners?
Q16
When the wind increases from 10 kts to 20 kts, the force of the wind increases by a factor of...
💡 Show hint

At 22 kts, the force on a 1-foot square board held perpendicular to the wind is about 2 pounds.

Q17
List the names of the three components (centers) of the National Weather Service that provide the primary information about marine weather.
💡 Show hint

Sailors in Seattle or San Francisco might use only two of these Centers for local sailing, but sailors in Boston or New Orleans would use all three.

Q18
What are the four synoptic times used in weather maps and forecasts? Be as specific about the times as possible.
💡 Show hint

It is fundamental that we know these times and log our own observations underway at these times.

Q19
Which of the following sets of conversions has an error in it?
💡 Show hint

The correct answer here is the wrong one! You must check them all.

Q20
What publication includes tables of climatic wind, sea state, and visibility data?
Q21
Search the Student Discussion forum on the word “Kuwampolese” to find out what year did the Kuwampolese storm take place?
💡 Show hint

You can only find this in the Student Discussion Forum.