Tropical Storms - Typhoons & Hurricanes

Major surface currents of the ocean are shown in the diagram.

Ocean currents affect weather patterns by -

• regulating when tides occur in coastal areas

• trapping heat at the equator to regulate the global climate

• distributing heat from the uneven absorption of solar energy

• increasing the rate of evaporation to transport water to areas experiencing droughts

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In 2011, Typhoon Nesat struck the Philippines and caused widespread flooding. After hitting the Philippines, Typhoon Nesat was predicted to hit the large city of Hanoi, Vietnam.

If Typhoon Nesat had continued along the same path, which development would most likely have reduced its strength before it hit Hanoi?

• The formation of a low-pressure area south of Bangkok

• The formation of a high-pressure area south of Bangkok

• Cool water moving into the sea east of Hanoi

• Warm water moving into the sea east of Hanoi

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Thunderstorms are more common in some areas than in others. The map shows the average number of thunderstorms per year in different parts of the United States.

Why are there significantly more thunderstorms in Florida than in California?

• The state of Florida is smaller than the state of California

• The air in Florida is more stable than the air in California

• The air above Florida holds less moisture than the air above California

• The ocean currents near Florida are warmer than the ocean currents near California

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Hurricanes and similar storm systems begin over oceans. The map shows average surface temperatures of the oceans in the summer.

Based on the map, which area probably produced the most violent storm systems?

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What is one condition that is necessary for a hurricane to form?

• Warm ocean water

• A strong cold front

• Cold ocean water

• A strong warm front

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What are two of the five factors hurricanes need to form?

• Warm water (above 80 degrees)

• Near the Poles

• High Pressure

• Low Pressure

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Which is necessary for a Hurricane to get stronger?

• Warm ocean water

• Wind

• water at 80 degrees F

• ALL of the above

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The pressure inside of a hurricane is ______,

• High

• Low

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What does this symbol represent?

• Tornado

• Hurricane

• Cold Front

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Where do most hurricanes develop?

• Near the Equator

• Middle of the United States

• Near the Poles

• Antarctica

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