Name Date Per st#

1. 
   What is a Tropical Depression? (look it up)
   

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2. 
   What is a Tropical Storm? (question 2 and the rest of the answers are in link I provided before question 1)
   

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3. 
   What characteristics does a storm need to have to be considered a hurricane?
   

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4. 
   Where do hurricanes get their energy?
   

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5. 
   Based on your answer to the prior questions, why don’t we get hurricanes in Michigan?
   

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6. 
   You should know which type of weather comes with high pressure and which type of weather comes with low pressure. What pressure should a hurricane have? Explain your answer.
   

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7. 
   What’s another term for a hurricane? ____________________________________________________
   
8. 
   What do they call hurricanes in the Indian Ocean? _________________________________________
   
9. 
   What do they call hurricanes in the Pacific Ocean? _________________________________________
   
10. 
    Fill out the following chart for the categories of hurricanes.
    

11. 
    What do the Spaghetti models for hurricanes represent? (scroll down a bit on cyclocane site to read this info) Use this website: http://www.cyclocane.com/spaghetti-models/ (all info about hurricane model codes: http://stormfacts.net/models.htm )
    

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12. 
    What is the cone of probability and why does it get wider and wider as you move toward the top of the screen in the images in the article on page 14 of this document?
    

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13. 
    Hurricane Isabel travelled as a big rainstorm all the way to Michigan in 2003, how likely were the remnants of hurricane Jaoquin to come to Michigan? Explain your answer in terms of the probability cone shown in the picture below question #18.
    

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14. 
    Stop this video (http://www.weather.com/storms/hurricane/news/tropical-storm-hurricane-joaquin-atlantic-east-coast-2015 ) at the 3-4 second spot and make a note of the pressure in mb and inches (use a converter like: http://www.csgnetwork.com/pressinmbcvt.html ), as well as the wind speed for hurricane Joaquin well over a week after it first formed. Is that high or low pressure? What category is the hurricane at that speed?
    

mb: ________________________ inches: ________________________wind speed: ___________________

high or low pressure?______________________________________________________________________

category of the hurricane?___________________________________________________________________

B. Fill in the following chart and explain why the numbers get larger as you move down the chart. Think back to earlier parts of this exercise to help form your answer. (Taken from: http://www.nhc.noaa.gov/aboutcone.shtml )

15. 
    Explanation: ___________________________________________________________________________
    

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16. 
    As you look above the NHC forecast circles data chart on the web page, what percent of the time does it indicate that the entire track of any forecasted hurricane will remain entirely within the cone? (they did this on purpose – why?)
    

Percent: _________________Why? __________________________________________________________

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17. 
    Propose a hypothesis for the difference in size of the 2/3 probability circles generated for the Pacific and Atlantic basins.
    

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18. 
    Look at the Example Graphic of 5-Day Track Forecast Cone shown on the website and/or the one for hurricane Joaquin shown below and explain why it’s not useful to go past 5 days:
    

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