Understanding Hurricanes

The video explains the hurricane season from June to November, detailing how hurricanes form in the tropics due to low pressure and warm sea temperatures. It describes the classification of hurricanes into categories based on wind speed, with Category 3 and above considered major. The video also covers the impact of hurricanes, including storm surges and flooding, and provides safety tips for hurricane preparedness. Historical data on hurricane frequency in the US is also discussed.

What is the average number of hurricanes that affect the Americas from early June through late November?

• Two to three

• Five to six

• Seven to eight

• Ten to twelve

Which of the following is NOT a condition necessary for hurricane formation?

• A rotating area of air

• Warm sea surface temperatures

• High atmospheric pressure

• Light winds throughout the atmosphere

At what wind speed does a tropical storm become classified as a hurricane?

• 58 mph

• 39 mph

• 100 mph

• 74 mph

What is the minimum wind speed for a hurricane to be considered a major hurricane?

• 130 mph

• 74 mph

• 96 mph

• 111 mph

Why do hurricanes typically lose energy once they make landfall?

• They are blocked by mountains

• They lose access to warm ocean water

• They encounter colder air

• They are disrupted by human structures

What natural phenomenon is caused by a hurricane making landfall?

• Drought

• Tornado

• Storm surge

• Earthquake

Which region in the US is most frequently hit by hurricanes?

• Southeastern US

• Northeastern US

• Western US

• Midwestern US

What should you do if a hurricane is expected in your area?

• Leave all utilities on

• Ignore local authorities

• Secure windows and outdoor objects

• Go to the beach to watch the storm

How many hurricanes did the US experience in its most active year, 2005?

• 20 hurricanes

• 12 hurricanes

• 10 hurricanes

• 15 hurricanes

What is the most important action to take if local authorities advise during a hurricane?

• Call a friend

• Evacuate

• Turn off the lights

• Stay indoors