5.-PLAN AND CONDUCT A PASSAGE - METEOROLOGY
Which of these is the correct pressure sequence associated with a weather " cold front "?
Tropical revolving storms are accompanied by ...
Which of these is the correct weather sequence associated with a
"warm front"?
Frontal depressions move in families, each depression following its predecessor but in...
The cause of ice accumulation on a ship is due to freezing of sea spray at a temperature below...
On the Beaufort scale, hurricane force corresponds to wind...
On the Beaufort scale, storm force corresponds to wind...
Wind force 10 correspond to wind speed of...
An occluded depression tends to move...
In what latitude do tropical revolving storms generally originate?
If a meteorological depression has a large warm sector, it has a tendency to...
Which of these is the correct sequence of visibility associated with a weather "cold front"?
What is the common name for hurricanes, typhoons or cyclones?
Which of these is the correct pressure sequence associated with a weather "warm front"?
In a tropical revolving storm, "the eye" is a small central region of...
The eye of a tropical revolving storm is an area with light wind but with seas that are...
Wind force 5 corresponds to a wind speed of...
South Westerlies are the general surface wind in which of the following latitudes?
Fast moving high clouds are an indication of...
A falling barometer is an indication of...
Which of these is the correct sequence of weather associated with a
"cold front"?
Which of these are "high clouds"?
The direction of the centre of a storm may be found by Buys Ballot's law, namely face the wind and...
In meteorology, isotherms are lines joining places having the same...
You are 10 to 60 nautical miles away from the centre of a tropical revolving storm. What barometric changes would you expect?
Which of these are "low clouds"?
What weather phenomenon can cause a reduction of radar range due to attenuation?
In meteorology, isobars are lines joining places having the same...
Steaming South at 10 knots, you estimate the wind speed from the surface as 15 knots. Smoke from the funnel is going away to port directly to abeam. What is the approximate true direction of the wind?
Referring to the weather map "Metmap 4", if you were at position 5, you would expect...
Referring to the weather map "Metmap 2" for 1200 May 15th, the pressure system affecting position C is a...
At what temperatures can ice start to form on a vessel's superstructure?
Which type of cloud, from those listed, has a low base but great vertical height?
Referring to the weather map "Metmap 4", the line at position 1 is called...
What speed could gusts of wind reach in a Force 8 gale?
Referring to the weather map "Metmap 3", estimate the pressure gradient between positions A and B. Use the distance scale on the map.
Referring to the weather map "Metmap 2" for 1200 May 15th, Westerly winds are being experienced in which of the following?
With which type of cloud is continuous rain usually associated?
During which month do most tropical storms form in the northern hemisphere?
In the northern hemisphere, which direction will the wind be from just before a warm front arrives?
Referring to the weather map "Metmap 4", a typical value for the low pressure would be...
Referring to the weather map "Metmap 4", a typical value for the high pressure would be...
Cumulus clouds are...
What wind speeds are likely when a weather forecast predicts an imminent Force 8 gale?
On a synoptic weather chart, what level of air pressure would be represented by the figure 113?
in which direction does the Coriolis force deflect winds in the southern hemisphere?
A typical value for a high pressure centre in the North Atlantic is...
What is the name given to an elongated area of low pressure extending outwards from a depression?
Referring to the weather map "Metmap 3", estimate the pressure at position C.
Which one of these is most characteristic of cold air?
When a marine thermometer is used to take air temperatures, it should be hung...
At what altitude do altostratus clouds generally form?
In the northern hemisphere, which direction will the wind normally be from just before a cold front arrives?
Referring to the weather map "Metmap 3", in which of the following positions will the wind be lightest?
Tropical maritime air is usually:
Warm, moist and unstable
Referring to the weather map "Metmap 3", estimate the pressure gradient between positions C and D. Use the distance scale on the map.
What is normally the safest angle for a vessel to steer into steep waves?
n the northern hemisphere, which is the most dangerous part of a storm in relation to the direction in which it is moving?
A barograph is an instrument which records continuous...
What corrections must be applied to a mercury barometer?
What is the most important way of using air pressure measurements to predict bad weather is coming?
An anticycione is an area of....
The visual range corresponding to the term "moderate visibility" used in weather bulletins is...
Which of the following is NOT true with regard to a summer anticyclone?
If you see the term 'falling quickly in a weather forecast, what does this mean the air pressure has done?
Above what speed does a tropical depression have to travel to become classed as a tropical storm?
Which of those listed is NOT classified as precipitation?
From those listed, which is the highest cloud?
If you are facing into the wind in the southern hemisphere, where would an area of low pressure lie?
Which type of cloud is associated with thunderstorms?
The three forms in which water can exist in the atmosphere are as a solid, a liquid and...
a gas.
Which of these is not a meteorological classification of an air mass?
Referring to the weather map "Metmap 2" for 1200 May 15th, winds at position A will be forecast as...
In a weather forecast what wave height is indicated by the term 'moderate sea'?
Referring to the weather map "Metmap 4", the area at position 3 is called
You observe a strong breeze of 25 knots accompanied by large waves with white foam crests and some spray. What Force on the Beaufort scale would this be rated at?
Which is the peak month for hurricanes in the northern hemisphere?
What does it mean when the barometer shows air pressure to be rising?
Referring to the weather map "Metmap 2" for 1200 May 15th, what is the predominant weather system over the UK at 1200 June 26th?
What is normally the air pressure at sea level?
1013 mb
In temperate latitudes, an air temperature of 25 degrees Celsius represents.
Referring to the weather map "Metmap 3", estimate the wind direction at position 3.
The temperature of the wet bulb thermometer falls according to the rate of..
What is the minimum sea water temperature necessary for a hurricane to develop?
Referring to the weather map "Metmap 3", the forecast states "the low pressure system to the NW of the British Isles is moving slowly SE."
How would you expect the wind to change at position X?
What distance must visibility be reduced to before water vapour is classed as fog?
In which direction do jet streams normally travel?
What is 'ice blink'?
Which of these pressures would be described as "average" in temperate latitudes?
Referring to the weather map "Metmap 2" for 1200 May 15th, on passage up the English Channel, a vessel will probably experience...
Referring to the weather map "Metmap 3", what is the forecast wind direction and strength at position Z?
What is a growler?
Referring to the weather map "Metmap 4", if you were at position 1, you would expect...
In the Beaufort weather notation, what is the meaning of the symbol RR?
An isallobar is....
Arctic air is usually.
Cold and dry