Understanding Hurricanes

What is a hurricane?

A hurricane is a large, powerful storm that forms over warm ocean waters. It is characterized by strong winds, heavy rainfall, and can cause widespread destruction.

How do hurricanes form?

Hurricanes form when warm, moist air over the ocean rises and creates an area of low pressure beneath it. As more warm air is drawn into the low-pressure area, it begins to rotate and form a swirling mass of clouds and thunderstorms. This forms the eye of the hurricane, with a wall of clouds and wind surrounding it.

What are the stages of a hurricane?

1. Tropical disturbance: A cluster of thunderstorms over warm ocean waters. 2. Tropical depression: When the cluster of thunderstorms becomes more organized and wind speeds increase. 3. Tropical storm: When wind speeds reach 39-73 mph and the storm develops a defined circulation. 4. Hurricane: When wind speeds reach 74 mph or higher, the storm is classified as a hurricane.

What are the parts of a hurricane?

Eye: The center of the hurricane with calm winds and clear skies. Eyewall: The area surrounding the eye with the most intense winds and rainfall. Rainbands: Bands of clouds and thunderstorms that spiral out from the eyewall.

How are hurricanes measured?

Hurricanes are measured using the Saffir-Simpson Hurricane Wind Scale, which categorizes hurricanes based on their sustained wind speeds. The scale ranges from Category 1 (74-95 mph) to Category 5 (157 mph or higher).

What are the impacts of hurricanes?

Hurricanes can cause widespread destruction, including damage to buildings, power outages, flooding, and storm surges. They can also result in loss of life and have long-term impacts on communities and ecosystems.

How can we prepare for hurricanes?

It is important to have a hurricane preparedness plan in place, including securing your home, having a disaster kit with essentials, and staying informed about evacuation orders and emergency alerts.

Now that you have learned about hurricanes, you can use this study guide to review the key concepts and prepare for any related assessments or discussions.