Question
IN MATLAB, PLEASE CAN YOU SOLVE THIS IN A SIMPLE WAY The American National Oceanic and Atmospheric Administration (NOAA) measures the intensity of a hurricane
IN MATLAB, PLEASE CAN YOU SOLVE THIS IN A SIMPLE WAY
The American National Oceanic and Atmospheric Administration (NOAA) measures the intensity of a hurricane season with the accumulated cyclone energy (ACE) index. The ACE for a season is the sum of the ACE for each tropical storm with winds exceeding 35 knots (65 km/h). The maximum sustained winds (measured in knots) in the storm are measured or approximated every six hours. The values are squared and summed over the duration of the storm. The total is divided by 10,000, to make the parameter easier to use.
ACE=2max / 104
This parameter is related to the energy of the storm, since kinetic energy is proportional to velocity squared. However, it does not take into account the size of the storm, which would be necessary for a true total energy estimate. Reliable storm data have been collected in the Atlantic Ocean since 1950 and are shown in the table below. These data may also be available to you from your instructor as an EXCEL worksheet, ACE_5th.xlsx, (or ace_data_5th.dat) and was extracted from the Accumulated Cyclone Energy article in Wikipedia. (http://en.wikipedia.org/wiki/Accumulated_cyclone_energy). It was collected by the National Oceanic and Atmospheric Administration (http://www.aoml.noaa.gov/hrd/tcfaq/E11.html).
- Download the datafile ace_data_5th.dat to the current folder for Lab 4.Load the ace_data_5th.dat file into the script for Lab 4.
-
Extract the data from each column, into individual arrays. You should have arrays named. Suppress the data from being displayed.
- years
- ace
- tropical_storms
- hurricanes
- major_hurricanes
-
Use the max function to determine which year had the highest
- ACE value
- Number of tropical storms
- Number of hurricanes
- Number of major hurricanes
- Determine the mean and the median values for each column in the array, except for the year.
- Use the sortrows function to rearrange the ace_data array based on the ACE value, sorted from high to low.
Atlantic Basin Hurricane Seasons, 19502016
Year | ACE Index | # Tropical Storms | # Hurricanes Cat. 15 | # Major Hurricanes Cat. 35 |
---|---|---|---|---|
1950 | 243 | 13 | 11 | 8 |
1951 | 137 | 10 | 8 | 5 |
1952 | 87 | 7 | 6 | 3 |
1953 | 104 | 14 | 6 | 4 |
1954 | 113 | 11 | 8 | 2 |
1955 | 199 | 12 | 9 | 6 |
1956 | 54 | 8 | 4 | 2 |
1957 | 84 | 8 | 3 | 2 |
1958 | 121 | 10 | 7 | 5 |
1959 | 77 | 11 | 7 | 2 |
1960 | 88 | 7 | 4 | 2 |
1961 | 205 | 11 | 8 | 7 |
1962 | 36 | 5 | 3 | 1 |
1963 | 118 | 9 | 7 | 2 |
1964 | 170 | 12 | 6 | 6 |
1965 | 84 | 6 | 4 | 1 |
1966 | 145 | 11 | 7 | 3 |
1967 | 122 | 8 | 6 | 1 |
1968 | 35 | 7 | 4 | 0 |
1969 | 158 | 17 | 12 | 5 |
1970 | 34 | 10 | 5 | 2 |
1971 | 97 | 13 | 6 | 1 |
1972 | 28 | 4 | 3 | 0 |
1973 | 43 | 7 | 4 | 1 |
1974 | 61 | 7 | 4 | 2 |
1975 | 73 | 8 | 6 | 3 |
1976 | 81 | 8 | 6 | 2 |
1977 | 25 | 6 | 5 | 1 |
1978 | 62 | 11 | 5 | 2 |
1979 | 91 | 8 | 5 | 2 |
1980 | 147 | 11 | 9 | 2 |
1981 | 93 | 11 | 7 | 3 |
1982 | 29 | 5 | 2 | 1 |
1983 | 17 | 4 | 3 | 1 |
1984 | 71 | 12 | 5 | 1 |
1985 | 88 | 11 | 7 | 3 |
1986 | 36 | 6 | 4 | 0 |
1987 | 34 | 7 | 3 | 1 |
1988 | 103 | 12 | 5 | 3 |
1989 | 135 | 11 | 7 | 2 |
1990 | 91 | 14 | 8 | 1 |
1991 | 34 | 8 | 4 | 2 |
1992 | 75 | 6 | 4 | 1 |
1993 | 39 | 8 | 4 | 1 |
1994 | 32 | 7 | 3 | 0 |
1995 | 228 | 19 | 11 | 5 |
1996 | 166 | 13 | 9 | 6 |
1997 | 40 | 7 | 3 | 1 |
1998 | 182 | 14 | 10 | 3 |
1999 | 177 | 12 | 8 | 5 |
2000 | 116 | 14 | 8 | 3 |
2001 | 106 | 15 | 9 | 4 |
2002 | 65 | 12 | 4 | 2 |
2003 | 175 | 16 | 7 | 3 |
2004 | 225 | 14 | 9 | 6 |
2005 | 248 | 28 | 15 | 7 |
2006 | 79 | 10 | 5 | 2 |
2007 | 72 | 15 | 6 | 2 |
2008 | 145 | 16 | 8 | 5 |
2009 | 51 | 9 | 3 | 2 |
2010 | 165 | 19 | 12 | 5 |
2011 | 126 | 19 | 7 | 4 |
2012 | 133 | 19 | 10 | 2 |
2013 | 36 | 14 | 2 | 0 |
2014 | 67 | 8 | 6 | 2 |
2015 | 63 | 11 | 4 | 2 |
2016 | 112 | 14 | 6 | 2 |
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