問題一覧
1
How is wind direction plotted on a weather station plot?
Using arrows pointing towards the wind direction
2
What is the importance of conducting a risk assessment in ice navigation?
To identify potential hazards and plan accordingly
3
What do synoptic charts represent?
Synchronous weather observations
4
Which service provided by the Metoffice involves ice analysis and forecasts?
Iceberg Reports
5
What is a col in meteorology?
The intersection between two high and two low-pressure systems
6
How do countries exchange weather information?
Through radio transmissions
7
What are the sources of weather information for shipping?
All of the choices
8
What are anticyclones associated with?
Calm weather and clear skies
9
What type of front is formed when a cold air mass displaces a warmer air mass, leading to intense precipitation?
Cold front
10
What is the role of meteorological codes in weather reporting?
Exchange information between meteorological centers
11
Anticyclones are characterized by:
Clockwise rotation in the northern hemisphere
12
What is an anticyclone?
A weather phenomenon with descending air movement
13
How does ice accretion on a ship impact its stability and maneuverability?
It alters the center of gravity and may cause stability issues
14
What does the color amber indicate in weather warnings?
Increased likelihood of bad weather affecting plans
15
What are some potential dangers of ice accretion on ships?
Structural damage and reduced visibility
16
In which direction does an anticyclone rotate in the northern hemisphere?
Clockwise
17
What is a col?
An area of neutral air with no fixed weather
18
Which organization serves as the authoritative voice on Earth's atmosphere and climate?
World Meteorological Organization (WMO)
19
What is the main distinction between hurricanes and typhoons?
Their geographical locations
20
Where can weather information be obtained via the Internet?
All of the choices
21
In a weather station plot, how is wind direction represented?
By pointing the symbol towards the direction of wind
22
What is the Beaufort Letters system used for?
Determining wind speeds
23
What services are provided by Metoffice?
All of the choices
24
How is sea-level pressure plotted in a weather station plot?
In millibars (mb)
25
Which term is commonly used to describe tropical cyclones that form over the northwestern Pacific Ocean?
Typhoons
26
Which component of a synoptic chart provides information on pressure systems and turbulence?
Sea-level pressure
27
What is the purpose of using facsimile machines for transmitting weather charts?
To exchange information between countries
28
What should be done to minimize the risk of ice accretion on a ship's superstructure?
Install de-icing systems on critical areas
29
What are the primary factors that present challenges in polar navigation?
Limited infrastructure and communication facilities
30
Monsoons are seasonal wind patterns that bring distinct wet and dry periods to certain regions. Which monsoon is characterized as cool and dry?
Northeast monsoon (Amihan)
31
Which type of ice formation remains stationary and does not drift with ocean currents?
Fast ice
32
What is the purpose of marine HF/Single Sideband Radio in weather services for shipping?
Transmit weather charts via HF radio
33
Which organization is the authoritative voice on Earth's atmosphere and climate?
World Meteorological Organization (WMO)
34
What is a ridge in meteorology?
An elongated region of high atmospheric pressure
35
In a weather station plot, how is wind direction represented?
By pointing the symbol towards the direction of wind
36
What is the role of the National Weather Service in issuing storm warnings?
To issue warnings for severe weather conditions
37
What is a synoptic chart?
A map displaying current weather conditions
38
What does a yellow weather warning mean?
Be aware and plan ahead
39
In which direction do anticyclones rotate in the southern hemisphere?
counter clockwise
40
Which of the following is NOT a source of weather information for shipping?
Internet
41
What is the purpose of a surface prognostic chart?
To display forecast positions of pressure systems, fronts, and turbulence
42
What does Navtex broadcast?
Iceberg report
43
What are tropical cyclones characterized by?
Strong winds and heavy rainfall
44
What is the most useful service provided by HF/Single Side-Band Radio?
Voice broadcasts
45
What is the purpose of the POLAR CODE?
To regulate navigation in polar waters
46
How are anticyclones represented on constant-pressure upper-level charts?
Within the highest height line contour
47
What is the term used to describe irregular-shaped pieces of sea ice pushed together?
Ice rafts
48
Which of the following is NOT a characteristic of high-pressure systems?
Air converges and rises