Exploration 3.docx

1. How did the 2023 Atlantic Ocean hurricane season rank in terms of number of named storms? 1. 4 th year for the most named storms 2. How does NOAA define a "major hurricane"? 1. Category 3 or higher on the Saffir-Simpson Hurricane Wind Scale 3. How many of the 20 named storms of 2023 became major hurricanes? What were their names? 1. 3 1. Franklin, Idalia, Lee 4. What was the strongest hurricane of the season? What was its category? Peak wind speed? 1. Hurricane Lee, Category 5, Peak winds at 165 mph 5. In the animations of the videos, you observe the motion of hurricanes. Do they spin clockwise or counterclockwise? 1. Counterclockwise 6. Between latitudes 10 and 20 degrees, generally in what direction ( use cardinal directions ) did the storms move? 1. West 7. Above 30 degrees latitude, generally in what direction ( use cardinal directions ) did the storms move? 1. North 8. Find the path for Tropical Storm Brett. What do the numbers associated with the dots on the path signify? 1. What the position was for that date, i.e. June 19, June 20, June 21, June 22, June 23, June 24 9. What was the overall distance traveled by Tropical Storm Bret? (Hint: use the scale bar) 1. 1800 Nautical Miles 10. Based on the colors indicated by Bret's path, did this storm ever reach hurricane status? 1. No 11. At about what latitude and longitude did Idalia form (start)? 1. 17N, 83W 12. Where did hurricane Idalia make landfall? 1. West Florida, 24N, 80W

13. What direction ( use cardinal directions ) did Idalia move from formation to landfall? 1. North 14. What color is Idalia's path at landfall? What does this mean? 1. Pink, Major Hurricane 15. What color is Idalia's path as it left the United States? What does this mean? 1. Yellow, Tropical Storm 16. At about what latitude and longitude did Idalia dissipate (end)? 1. 27N, 70W 17. Did Idalia intensify or get weaker between landfall and dissipation? 1. Intensified before landfall, Weaker after 18. Using the scale bar, roughly how many nautical miles did Idalia cover? 1. 1300 nautical miles 19. Based on the reading, what do reflectivity readings from doppler tell us? 1. The strength of the energy that is returned to the radar after it bounces off precipitation targets 20. What do velocity readings from doppler tell us? 1. Whether the precipitation is moving toward or away from the radar and how fast 21. What is the direction of spin of Hurricane Idalia? 1. Counterclockwise 22. What was Idalia's general direction of movement at landfall ( use cardinal directions )? 1. north 23. The units of radar reflectivity are dBZ, a nondimensional unit of the amount of energy returned (reflected) back to the receiver after hitting a target. Using the reflectivity animation and its legend, what were the maximum dBZ values of Idalia around landfall? 1. 55dBZ 24. What does this mean in terms of the intensity of rainfall?

1. Heavy rainfall 25. (Extra credit) Convert this dBZ value to rainfall rate using the following equation. Convert your answer to inches per hour 1. 3.88 in/hr 26. Using cardinal directions , relative to the eye of the hurricane at landfall, where were the highest precipitation rates? 1. South 27. Using the velocity animation, at landfall, would a person in Crawfordsville, Florida be experiencing onshore or offshore winds? 1. offshore 28. Would a person in Hermosa Springs, Florida be experiencing onshore or offshore winds? 1. onshore 29. Based on the spin of the hurricane, where would you expect the greatest onshore wind speeds ( use cardinal directions )? 1. south 30. Where would you expect the highest storm surge ( use cardinal directions )? Why? 1. South, the kTS is the highest there 31. Does your research match what you recorded for the above questions about hurricane Idalia? Write a short summary of Hurricane Idalia based on your answers to this exploration and your online research. Use your own words, and about 1-2 paragraphs for this summary. Cite any sources you consult. 1. 32. How did this activity help you to better understand hurricanes? What did you find most interesting about your exploration? What questions do you still have or what do you now want to learn more about? Based on the spin of the hurricane, where would you expect the greatest onshore wind speeds (use cardinal directions)?

Question options: SW of the eye NE of the eye SE of the eye NW of the eye 0.5 / 0.5 p How did the 2023 Atlantic Ocean hurricane season rank in terms of number of named storms? Question options:

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