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NZ Weather Research Report

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NZ Weather Research Report

Use the short report and data table to investigate weather across Aotearoa New Zealand. The figures in the table are a made-up teaching dataset, not official observations. Use evidence from the information provided, and explain when you are making an inference.

Aotearoa’s changeable weather

New Zealand’s weather is influenced by the surrounding ocean, its position in the westerly wind belt, and its mountain ranges. Moist air carried by winds from the Tasman Sea can rise over the Southern Alps, cool, and produce rain on the western side. The eastern side may be much drier. Weather systems can move quickly, so conditions may change over a short distance or time. A weather forecast describes expected conditions over the next hours or days. Climate describes patterns in weather measured over many years. One storm does not, by itself, prove that climate is changing.

Location

Region

Weekly rainfall (mm)

Maximum temperature (°C)

Hokitika

West Coast

Christchurch

Canterbury

Wellington

Auckland

Investigate the evidence

Answer using the report and fictional dataset. Support explanations with evidence where possible.

1.Which location in the table had the greatest weekly rainfall? State its rainfall total.

2.Calculate the difference between the maximum temperatures recorded for Christchurch and Hokitika. Show the subtraction.

3.The fictional dataset shows Hokitika was wetter than Christchurch. Which explanation from the report could help explain this pattern?

Moist westerly air can rise over the Southern Alps and produce rain on the western side.
The ocean always makes every coastal place dry.
Christchurch is on the western side of the Southern Alps.
A warm maximum temperature always causes heavy rain.

4.True or false: one week of unusually high rainfall is enough to prove that a location’s climate is changing. Explain your choice.

5.A student says, “Auckland’s maximum temperature was higher than Wellington’s, so Auckland must have had less rain.” Use the table to assess this claim.

6.Match each weather term to its meaning: 1. weather, 2. climate, 3. rainfall.

1. Weather
2. Climate
3. Rainfall

B. Conditions of the atmosphere over a short time
C. Long-term patterns in weather
A. Water falling from clouds, measured here in millimetres

7.Suggest one limitation of this dataset that a careful researcher should mention before drawing conclusions about New Zealand weather.

8.Write a short research-report conclusion (3–5 sentences). State one pattern in the dataset, use at least two figures as evidence, and explain one reason more data would be needed for a real weather or climate claim.