# Interpreting A Synoptic Chart

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Lauravertigan
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How to forecast weather using a synoptic chart

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### The air pressure at the centre of this cyclone is

• A.

1012 hPa

• B.

1020 hPa

• C.

980 hPa

• D.

1000 hPa

C. 980 hPa
Explanation
The air pressure at the center of a cyclone is usually lower than the surrounding areas. This is because the air in a cyclone rises rapidly, creating a low-pressure system. The lower the air pressure, the stronger the cyclone. Therefore, a pressure of 980 hPa indicates a strong cyclone at its center.

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• 7.

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### Natural features on the land can have an impact on weather and climate

• A.

True

• B.

False

A. True
Explanation
Natural features on the land, such as mountains, bodies of water, and vegetation, can indeed have an impact on weather and climate. These features can influence the movement of air masses, the formation of clouds, and the distribution of rainfall. For example, mountains can cause air to rise, cool, and release moisture, leading to increased rainfall on one side and a rain shadow effect on the other side. Bodies of water can moderate temperatures and create local breezes. Vegetation can affect evaporation rates and the amount of moisture in the air. Therefore, it is true that natural features on the land can have an impact on weather and climate.

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• 9.

### Cyclones are linked with extremely high air pressures

• A.

True

• B.

False

B. False
Explanation
Cyclones are actually linked with low air pressures, not high air pressures. In a cyclone, air spirals inward towards a center of low pressure, causing strong winds and stormy weather. This low pressure system is the opposite of high air pressure, which is associated with fair weather conditions. Therefore, the statement that cyclones are linked with extremely high air pressures is false.

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• 10.

### The weather in Perth on this day is likely to be fine

• A.

True

• B.

False

A. True
Explanation
The given statement suggests that the weather in Perth on this day is expected to be good or pleasant. This implies that there are no indications of any adverse weather conditions such as rain, storms, or extreme temperatures. Therefore, the answer "True" indicates that the weather in Perth is likely to be fine on this day.

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