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Scatter plot of minimum pressure and maximum azimuthal wind for Atlantic and Eastern Pacific tropical cyclones (1989-2004 + Hurricane Isaac 2012 [red]).

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Presentation on theme: "Scatter plot of minimum pressure and maximum azimuthal wind for Atlantic and Eastern Pacific tropical cyclones (1989-2004 + Hurricane Isaac 2012 [red])."— Presentation transcript:

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3 Scatter plot of minimum pressure and maximum azimuthal wind for Atlantic and Eastern Pacific tropical cyclones (1989-2004 + Hurricane Isaac 2012 [red]). Figure adapted from: Knaff & Zehr, 2007, Weather Forecasting, 22, 71-88.

4 Global storm count: ~90 per year

5 Locations of tropical cyclone genesis in January

6 Locations of tropical cyclone genesis in February

7 Locations of tropical cyclone genesis in March

8 Locations of tropical cyclone genesis in April

9 Locations of tropical cyclone genesis in May

10 Locations of tropical cyclone genesis in June

11 Locations of tropical cyclone genesis in July

12 Locations of tropical cyclone genesis in August

13 Locations of tropical cyclone genesis in September

14 Locations of tropical cyclone genesis in October

15 Locations of tropical cyclone genesis in November

16 Locations of tropical cyclone genesis in December

17 Locations of tropical cyclone genesis

18 Seasonal cycle of tropical cyclogenesis Northern Hemisphere solid Southern Hemisphere dashed

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24 Hawkins, H. F., and D. T. Rubsam, 1968: “Hurricane Hilda, 1964. Part II: Structure and budgets of the hurricane on October 1, 1964. Monthly Weather Review, 96, 617-636.

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27 Number of storms (1970-2011) by basin

28 Number of storms (1970-2011) in Northern Hemisphere (red) And Atlantic and North Pacific only (blue)

29 Atlantic Main Development Region SST (ASO mean) and power dissipation (whole season, whole basin) 1-3-4-3-1 filter applied to smooth interannual variability


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