Hurricane Exam Flash Cards
Understand the RI coastal formation
New England bedrock was created millions of years ago, and Narraganset bay was carved into old sedimentary rocks
What does the RI coast not have?
Mangroves
Influences on Coastal Morphology:
tectonic Enviorment, Hydrographic regime (waves and tide), River or glacial processes, Climate, human impact
What are coasts doing?
Changing rapidly
What factors affect the coast?
geologly, ocean, and human
What are RI key geomorphic features?
Naragansset Bay, Glacial features, ocean coastline, and solar ponds
Define Hazard?
something that has the potential of harming you
Deine Risk?
The likelihood of a hazard causing harm
Most Common hazards?
Tsunami, flood, Volcanic ash, and fire
Primary Hurricane Hazards?
Wind, Storm Surge, Rain, Waves
Risk Equation?
Likelihood X Consequence of Lost (cost)
Most costly hurricane
Katrina
What can help reduce coast?
Engineering efforts
What is a hurricane?
An intense low pressure tropical system with sustained winds greater than 74mph
What factors play in a hurricane forming?
warm ocean water, low vertical wind shear, thunderstorms, sufficient latitude, lots of moisture in air
do hurricanes always spin in the same direction?
No
how do hurricanes spin in the northern hemisphere?
Counterclockwise
How do hurricanes spin in the Southern Hemisphere?
Clockwise
What month is peak hurricane season?
September
Can hurricanes cross the equator?
No, due to coriolis effect
Explain the life of a hurricane?
Start–> increase energy–> lose energy–> end
As a hurricane approaches land what happens to the ocean water?
Storm Surge
How much wind speed means a tropical storm
wind greater than 39MPH
When are hurricanes strongest?
In the open, warm ocean
What is the most deadly hazard with tropical cyclones
Surge
What is a stakeholder?
Stakeholder is a person group or organization with interest or involvement in the success of an enterprise or activity
examples of stakeholder?
Government officials, federal agencies, business owners, scientists & citizens
What are the four phases of emergency management?
Mitigation, Preparedness, Response, Recovery