F1 - 1370102 Forecast weather and oceanographic conditions

C-8

Rain gauge

An instrument that measures rain fall is called _____.

immediately put the rudder over hard left

A crew member has just fallen overboard off your port side. Which action should you take?

warm moist air being blown over a colder surface

Advection fog is most commonly caused by _____________

warm front

A cloud sequence of cirrus, cirrostratus, and altostratus clouds followed by rain usually signifies the approach of a(n) __________.

The direction and rate of change of barometric pressure

Which indication on the barometer is most meaningful in forecasting a weather?

Stream

What is the name for the measurement of the speed and direction of a tidal current?

1013.25 millibars

A barometric pressure reading of 29.92 inches of mercury is equivalent to _________.

20 to 30 knots

What is the average speed of the movement of hurricane following the recurvature of its track?

80 to 100 miles

The approximate distance to a storm center can be determined 0.08 - 0.12 inches, what is the approximate distance to the storm center?

A tropical cyclone south of your vessel

Your present weather is sunny and with a steady barometer. A low swell approaches your vessel from the South with crests passing a relatively long periods of about four per minute. What is usually indicates?

Agulhas Current

What is the name of the warm and fast moving ocean current located off the southeastern coast of Africa?

Aneroid barometer

A mercurial barometer at sea is subject to rapid variations in height (“pumping”) due to the pitch and roll of the vessel. To avoid this error, measurements of atmospheric pressure at sea are usually measured with a(n) _______________

Aphelion

Where is the approximate location of the sun when it reaches its maximum north declination?

California current

Which of the following is NOT among the principal WARM currents

Comma

Shape of clouds

Condensation

What causes the release of enormous amount of heat that occur in hurricanes?

Decrease in wind velocity

Which conditions would NOT indicate the approach of a tropical storm?

East Australian Current

Which of the following is NOT among the principal cold currents?

Immediately put the rudder over hard left

A crew member has just fallen overboard off your port beam. Which of the following actions should you take?

Improving weather conditions

A slow rise in the barometric pressure forecasts ___________

Signal #4

A storm signal occurring over a place with winds about 185 kph or more

Stranding

A vessel is steaming near the shore and is accidentally grounded due to an error navigation. This is known as:

Northeast

According to Buys Ballot law, when an observer in the Northern Hemisphere experiences a northeast wind, the center of low pressure is located to where?

Sounding of all compartments

After grounding, the extent of the damage to the vessel can be determined by:

Steady rainfall

All of the following are associated with cumulonimbus clouds EXCEPT

Permanently mounted

An aneroid barometer on a boat should always be

High seas

if you are in the dangerous semi-circle of a hurricane you can expect all of the following EXCEPT

how far can you see with the naked eye

In a weather report, what do the term “visibility” expresses?

ESE

In the Northern Hemisphere when the wind at your location is Northerly. Where is the location of the low pressure causing it?

Jupiter

Other than Venus, what is the planet mainly used for marine navigation?

Storm surge

What can cause abnormal tides near the center of the hurricane?

Labrador current

What is the name of “cold wall” ocean current which meets the warm Gulf stream between latitudes 40° and 43°N?

Labrador Current

Which ocean current is responsible for the movement of icebergs into the North Atlantic shipping lanes?

Falkland current

Which of the following is NOT among the principal WARM currents?

Japan Current

Which of the following is NOT among the principal COLD currents?

Spatial Reasoning

Which of the following skills is necessary to understand and interpret a synoptic chart?