In reading a weather map, what do closely...

Question 1 / 2066636ee928f7522a1c519f80

Question 1 of 2066636ee928f7522a1c519f80

In reading a weather map, what do closely spaced pressure gradient lines indicate?

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Question 1 of 20

66636ee928f7522a1c519f80

In reading a weather map, what do closely spaced pressure gradient lines indicate?

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🔍 Key Concepts

• Pressure gradients on a weather map • Relationship between spacing of isobars (pressure lines) and wind speed • How air moves from high pressure to low pressure

💭 Think About

• If the pressure changes a lot over a short horizontal distance, what does that do to the force on the air? • Think about days with very light winds—what do the pressure readings look like from one nearby station to another? • When forecasters warn of strong winds, what do the isobars on the map usually look like—wide apart or packed together?

✅ Before You Answer

• Remember that tight (closely spaced) isobars mean a strong pressure difference over a short distance • Recall that wind speed is driven by the pressure gradient, not by the type of clouds shown • Check which option describes a condition you’d expect with a strong pressure gradient, not weak or calm conditions

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Question 1 of 20

In reading a weather map, what do closely spaced pressure gradient lines indicate?

Fog or steady rain

High winds

A calm or light winds

High overcast clouds

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