Scatter plot of minimum pressure and maximum azimuthal wind for Atlantic and Eastern Pacific...
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Transcript of Scatter plot of minimum pressure and maximum azimuthal wind for Atlantic and Eastern Pacific...
Scatter plot of minimum pressure and maximum azimuthal wind forAtlantic and Eastern Pacific tropical cyclones (1989-2004 + Hurricane Isaac 2012 [red]). Figure adapted from: Knaff & Zehr, 2007, Weather Forecasting, 22, 71-88.
Global storm count: ~90 per year
Locations of tropical cyclone genesis in January
Locations of tropical cyclone genesis in February
Locations of tropical cyclone genesis in March
Locations of tropical cyclone genesis in April
Locations of tropical cyclone genesis in May
Locations of tropical cyclone genesis in June
Locations of tropical cyclone genesis in July
Locations of tropical cyclone genesis in August
Locations of tropical cyclone genesis in September
Locations of tropical cyclone genesis in October
Locations of tropical cyclone genesis in November
Locations of tropical cyclone genesis in December
Locations of tropical cyclone genesis
Seasonal cycle of tropical cyclogenesis
Northern Hemisphere solidSouthern Hemisphere dashed
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.
1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 20150
5
10
15
20
25
30
35
40
45
50
AtlanticE. PacificW. Pacific
Number of storms (1970-2011) by basin
1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 20150
10
20
30
40
50
60
70
80
90
APNH
Number of storms (1970-2011) in Northern Hemisphere (red)And Atlantic and North Pacific only (blue)
1940 1950 1960 1970 1980 1990 2000 2010 20200
100000000000
200000000000
300000000000
400000000000
500000000000
600000000000
26.8
27
27.2
27.4
27.6
27.8
28
28.2
28.4
28.6
PDISST
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