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What does a synoptic chart show?
The weather conditions across a large area at a given time. E.g. Australia, 1st Jan, 2025.
What are the lines on a synoptic chart called?
Isobars.
What do the lines on a synoptic chart represent?
Air pressure.
What is the standard unit of measurement for air pressure on a synoptic chart?
Hectopascals.
What does the letter H represent on a synoptic chart? A) Humidity B) High Pressure C) Hot Weather D) Heavy Rain
High Pressure.
What type of front is shown by a blue line with triangles? A) Warm front B) Occluded front C) Cold front D) Stationary front
C. Cold Front.
What weather is most likely with a cold front? A) Steady rain B) Heavy showers/storms C) Clear skies D) Hot, dry winds
B. Heavy showers/storms (especially when combined with a low pressure system). A drop in temperature is also common.
Which region of Australia is most at risk of tropical cyclones? A) Southern B) Northern C) Western desert D) Central outback
B. Northern.
Which symbol represents a warm front? A) Red line with semicircles B) Blue line with triangles C) Purple line with both D) Black dotted line
A. Red line with semicircles
What direction do winds travel around a high-pressure system in the Southern Hemisphere?
Anticlockwise.
What is one piece of information a meteorologist can predict from analysing synoptic charts?
Possible answers: wind speed, rainfall, storms, temperature changes, cyclone risk.
True or False: Close isobars indicate stronger winds.
True.
True or False: High-pressure systems usually bring clear skies.
True.
True or False: In the Southern Hemisphere, winds around a low-pressure system move anticlockwise.
False.
Which feature on a synoptic chart can develop into a Tropical Cyclone?
A Low Pressure System.
What is the abbreviation for hectopascals, the unit used to measure air pressure on a synoptic chart?
hPa.
