Weather in the journal

W e have to write the weather in the journal in case of incidents. If an incidents happens this writing will help the investigators in their view of what might have happened. This means that a correct description of writing down the weather is important!

Warning: Do not just write something. If an incident happens during your watch and the weather is not correctly entered it can and will have consequences for you during an investigation!

You have to understand what the terms mean. In the following list we’ll explain the terms.

ь Wind: here we need to know the direction and force of the wind.

o Direction: in order to know the direction we need to know where the wind is coming from. Stand in front of the gyro compass and look outside. When you find the direction you look at the compass. Translate the degrees in a direction, being North (N), East (E), South(S) or West (W) and everything in between.

o Force: in order to know the force we need to look at the state of the sea waves. In NP100 on pages 98 up to 104 you can see images of the various states and forces. Just look at them and make the right choice. On page 156 there is a table with description. Try to learn the states to know the force.

ь Weather: here we need to know the state of the weather. There are quite a few states:

o Clear: means good visibility

o Rain: means it is raining

o Showers: means sometimes it is raining

o Partly clouded: means the sky has scattered clouds

o Clouded: means the sky is covered for 50% with clouds

o Overcast: means the sky is covered a 100% with clouds

o Fog: means there is fog and visibility is restricted

o There can be other states as well. Just look good outside and interpreted them.

ь Sea: here we need to know the height of the waves in order to know the state of the sea. In NP100[1], pages 98-104, you can compare what you see outside. On page 97 there is a small table with the descriptions. A few states are:

o Slight

o Moderate

o Rough

ь Swell: here we need to know the movement of the waves. This is not always the same as wind direction! For writing down the swell we need to know the following:

o Direction: from what direction, N-E-S-W is the swell coming. Follow the same procedure as for taking the wind direction.

o Height: what is the height of the swell. In NP100, page 105, there is a table with descriptions of the height with the corresponding wave height.

§ Low: 0-2 mtrs

§ Moderate: 2-4 mtrs

§ Heavy: over 4 mtrs

ь Barometer: what pressure is the barometer giving us. Here you just have to read the value which is shown on the barometer. With the pressure on the barometer, we can see how the weather is progressing. Normally high pressure means that there will be good weather and low pressure can be an indication for storms or even hurricanes.

o Tip: Before reading the value, slightly tap on the glass. Sometimes the needle is stuck. By tapping it will move to the right reading.

ь Temperature (air): here we read the temperature of the air from a thermometer on either side of the bridge. This is important to know especially in winter time for taking precautions.

Дата добавления: 2015-11-14