F1 - 1080101 Forecast weather and oceanographic conditions

C-8

Isogonic lines

Lines on a chart which connect points of equal magnetic variation are called

A weather fax

You can follow the approach of a dangerous cyclonic storm by inspecting

Alternating red and blue

On a working copy of a weather map what color is the line that represents a stationary front?

Upwind

Especially in adverse weather, risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?

Rising temperature and falling barometric pressure

As it approaches, a typical warm front will bring?

A line of cumulonimbus clouds

What weather change of accompanies the passage of a cold front in the Northern Hemisphere?

A newspaper, a weather map, a weather fax, or a weather forecast

You can follow the approach of a dangerous cyclonic storm by inspecting _____________.

A cold front generally passes faster than a warm front

Which of the following statements concerning frontal movements is TRUE?

right, slightly behind him

If an observer in the Northern Hemisphere faces the surface wind, the center of low pressure is to his ________.

Northeast

According to Buys Ballots law, when an observer in the Northern Hemisphere experiences a northeast wind, the center of low pressure is located to the _____________.

28 to 31 inches

Scales on aneroid barometers are usually graduated in inches of mercury in the general range of ________.

More moisture than cold air

Hot air can hold ______.

is a warm marine type of climate

The climate of the northern Gulf coast __________.

1:200,000

A general chart could have a scale of ___________.

Fall wind

The williwaw of the Aleutian coast, the Tehuantepecer of the Mexican and central American coast, the Pampero of the Argentine coast, the mistral of the western Mediterranean and the Bora of the eastern Mediterranean are ________.

In the upper level of the pumproom

While your vessel is impaired by stormy weather, a pumproom is suspected of accumulating gases after ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom

1 inch is equal to 5,000,000 inches on the Earth’s surface

The scale on a chart is given as 1:5,000,000. This means that ___________.

Relative humidity decreases

As the temperature for a given mass of air increases the __________.