Tropical storm

Definition

A tropical storm is a type of intense weather system characterized by strong winds and heavy rainfall, typically formed over warm ocean waters. These storms can develop into more severe systems like hurricanes if wind speeds exceed 39 miles per hour. The structure of a tropical storm includes a well-defined center known as the eye, surrounded by spiraling bands of clouds and precipitation, which can lead to significant weather events and impacts on coastal regions.

5 Must Know Facts For Your Next Test

1. Tropical storms usually form in ocean waters that are at least 26 degrees Celsius (79 degrees Fahrenheit) to provide the necessary heat and moisture.
2. The development of a tropical storm is heavily influenced by atmospheric conditions such as low pressure, moisture in the air, and minimal wind shear.
3. Tropical storms can produce heavy rain, strong winds, and rough seas, leading to flooding and property damage in coastal areas.
4. Meteorologists use satellite imagery and radar to track the formation and movement of tropical storms, issuing warnings to help communities prepare.
5. While less intense than hurricanes, tropical storms can still be deadly, causing significant disruption through flooding, power outages, and transportation issues.

Review Questions

• How does a tropical storm differ from a hurricane in terms of wind speed and potential impact?
  • The primary difference between a tropical storm and a hurricane is the wind speed. A tropical storm has sustained winds ranging from 39 to 73 miles per hour, while a hurricane has sustained winds of 74 miles per hour or higher. This distinction is significant because hurricanes can cause more extensive damage due to their higher wind speeds and increased intensity, leading to greater risks for coastal communities, infrastructure, and natural environments.
• Discuss the role of warm ocean waters in the formation of tropical storms and their subsequent intensification into hurricanes.
  • Warm ocean waters are crucial for the formation of tropical storms because they provide the necessary heat and moisture that fuel these systems. When sea surface temperatures exceed 26 degrees Celsius (79 degrees Fahrenheit), it allows for increased evaporation, which leads to rising warm air. As this air rises, it creates low pressure at the surface and encourages the development of thunderstorms. If the right atmospheric conditions persist, this process can lead to intensification into a hurricane as wind speeds increase.
• Evaluate the impact of tropical storms on coastal communities, considering both immediate effects and long-term consequences.
  • Tropical storms can have immediate impacts on coastal communities through heavy rainfall leading to flash flooding, strong winds causing structural damage, and rough seas resulting in hazardous conditions. These immediate effects can disrupt local economies, displace residents, and overwhelm emergency services. Long-term consequences may include ongoing recovery efforts, changes in land use due to erosion or flood risk, and shifts in local ecosystems. Understanding these impacts is essential for effective disaster preparedness and response strategies in vulnerable areas.

Related terms

Hurricane: A hurricane is a severe tropical storm with sustained wind speeds of 74 miles per hour or higher, capable of causing catastrophic damage.

Cyclone: A cyclone is a general term for a rotating storm system that originates over warm tropical oceans, which includes tropical storms and hurricanes.

Tropical Depression: A tropical depression is the initial stage of tropical storm development, characterized by organized thunderstorms and sustained winds less than 39 miles per hour.