Weather Data Collection and Interpretation

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What is the normal range for barometer readings?

30.0-30.6 inHg

28.8-29.2 inHg

29.8-30.2 inHg (correct)

29.0-29.6 inHg

What does a quick drop in barometric pressure usually indicate?

Increasing air pressure

Sunny weather

Calm winds

Rain or storm, or even snow if it's cold enough (correct)

What is used to measure wind direction?

Anemometer

Barometer

Thermometer

Wind vane (correct)

How is wind speed typically recorded?

In meters per second (m/s) or kilometers per hour (km/hr) Signup and view all the answers

How is cloud cover recorded?

Based on height (high, medium, low) Signup and view all the answers

How is sunshine duration measured?

Using a sunshine recorder with a strip of special card Signup and view all the answers

What is the primary factor that determines the characteristics of tropical rainforest and hot desert ecosystems?

Latitude Signup and view all the answers

How does latitude affect the amount of solar radiation received in an area?

Lower latitudes receive more intense solar radiation than higher latitudes. Signup and view all the answers

What is the primary reason that water bodies and land masses have different heating and cooling rates?

Water has a higher specific heat capacity than land. Signup and view all the answers

How do ocean currents affect the climate of coastal regions?

Warm ocean currents raise the temperature of coastal regions in winter and lower it in summer. Signup and view all the answers

How does altitude affect temperature?

Temperature decreases with increasing altitude. Signup and view all the answers

How do winds affect the temperature of a region during different seasons?

Winds from the land lower the temperature in winter and raise it in summer. Signup and view all the answers

What do high clouds mainly consist of?

Ice crystals Signup and view all the answers

In what form do low clouds primarily exist?

Water droplets Signup and view all the answers

How are medium clouds typically composed?

Primarily of ice crystals with some water droplets Signup and view all the answers

What is the main distinguishing feature of equatorial climate?

Lack of distinct seasons Signup and view all the answers

What is a common characteristic of hot desert climate?

Low levels of humidity Signup and view all the answers

Which factor does NOT influence climate according to the text?

Atmospheric pressure Signup and view all the answers

How does cloud cover affect the amount of insolation received by the surface?

Decreases the amount of insolation Signup and view all the answers

What is the impact of cloud cover on nighttime temperatures?

Increases nighttime temperatures Signup and view all the answers

How does low air pressure contribute to rain formation?

Leads to cooling and condensation of air Signup and view all the answers

Why are hot deserts often located in high-pressure areas?

Sinking air in high pressure inhibits rain formation Signup and view all the answers

Where do low-pressure systems that lead to rain formation often occur?

Equatorial regions and mountain barriers Signup and view all the answers

What is the purpose of placing weather instruments away from obstructions like trees, balconies, and buildings?

To ensure accurate measurements by avoiding interference Signup and view all the answers

How is the maximum temperature measured using a maximum-minimum thermometer?

The bottom of the index or pin indicates the maximum temperature Signup and view all the answers

Why is a rain gauge typically placed 30 cm above the surface?

To ensure accurate measurements by avoiding interference from the ground Signup and view all the answers

What is the purpose of a wind vane in weather measurement?

To determine wind direction Signup and view all the answers

How is relative humidity measured using a wet and dry bulb thermometer (hygrometer)?

By taking the difference between the wet and dry bulb readings and referring to a relative humidity table Signup and view all the answers

What is the purpose of a Stevenson screen in weather measurement?

To house thermometers and protect them from direct sunlight and precipitation Signup and view all the answers