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A tropical cyclone is a low-pressure system over tropical or sub-tropical waters with thunderstorm activity and surface wind circulation.  Tropical cyclones with maximum sustained surface winds of less than 17 m/s (39 mph) are called "tropical depressions".  Once the tropical cyclone reaches winds of at least 17 m/s they are typically called a "tropical storm" and assigned a name.  If winds reach 33 m/s (74 mph), then they are called: a "hurricane" or "typhoon", depending on the geographic location.  For the Atlantic basin, USA meteorologists use a scale of 1 (low) to 5 (high) to rate the intensity of hurricanes.

A hurricane generates an incredible amount of kinetic or wind energy.  With an radius of 60 km and and average wind speeds 40m/3, a hurricane can produce 1.5 x 1012 Watts of energy -- equivalent to about half the world-wide electrical generating capacity!  Hurricane wind energy of this magnitude can cause enormous property damage directly as a result of the wind, or indirectly from ocean waves, tornadoes, flooding and storm surge.  Human suffering and loss of life is also caused by wind energy (direct and indirect) but often is the result of outbreaks of disease long after the hurricane has passed.  The 1926 hurricane in Southeast Florida and Alabama has been estimated to be the most costly in US history -- \$83,814,000,000 in today's dollars, while the 1900 hurricane that hit Galveston, TX was the deadliest -- over 8000 people killed.

There is considerable debate over the extent to which the severity and frequency of hurricanes will change with global warming because the formation of tropical cyclones depends on a number of ocean and atmospheric variables, including sea surface temperature and air moisture.  But with increased sea levels associated with global warming (coupled with the continued world wide migration of peoples to coastal cities) there is growing concern that hurricanes will cause more property damage and loss of life in the future.  An interesting activity for the student would be to examine these data and look for trends in hurricane frequency over two climate warming periods, say 1880-1940 and 1940-2000.

These hurricane data were pulled from the Atlantic Tracks File compiled by the US National Hurricane Center.  This file consists of loads of data for major storm events from 1851 to 2000.  Tropical depression and tropical storm data were omitted from the file, as were all other storm statistics.  Each year the hurricane season begins June 1, and all hurricane dates are converted to "weeks of season." The weeks were then binned in 2 week intervals beginning June 1-14 (weeks 1 and 2) and ending in early January (weeks 31 and 32). Hurricanes occurring after week 32 (four of them) were considered outliers, and left off the histogram. We see from the graph that there is a major hurricane season that begins to form in early August (week 9), peaks during late August and early September (weeks 13 and 14), and substantially diminishes by late October (weeks 21 and 22).

Note that the graph is nearly symmetric and bell-shaped; a student will find it interesting to approximate the graph with a normal distribution.  What is the mean and standard deviation for the data represented in the graph, and how can these numbers be interpreted?  Can the mean and standard deviation be approximated from the graph?  How would effects of global warming (as mentioned above) change the shape of the graph, or would the shape remain the same?  At the National Hurricane Center's website there is also available what is called the Eastern North Pacific Tracks File.  For the student who has some skill managing larger data sets (Excel may work), analyzing the hurricane season of the Pacific would make an excellent student project.

Source:  US National Hurricane Center   http://www.nhc.noaa.gov/

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 US Atlantic Hurricanes, 1851 - 2000 Source:  US National Hurricane Center http://www.nhc.noaa.gov/ hurricane date week of season Weeks Frequency NOT NAMED 7/5/1851 5 1-2 9 NOT NAMED 8/16/1851 11 3-4 15 NOT NAMED 8/19/1852 12 5-6 18 NOT NAMED 9/5/1852 14 7-8 22 NOT NAMED 9/9/1852 15 9-10 48 NOT NAMED 9/22/1852 17 11-12 106 NOT NAMED 10/6/1852 19 13-14 150 NOT NAMED 8/30/1853 13 15-16 133 NOT NAMED 9/8/1853 15 17-18 96 NOT NAMED 9/26/1853 17 19-20 87 NOT NAMED 10/19/1853 21 21-22 38 NOT NAMED 9/7/1854 15 23-24 15 NOT NAMED 9/18/1854 16 25-26 10 NOT NAMED 8/6/1855 10 27-28 2 NOT NAMED 8/10/1855 11 29-30 0 NOT NAMED 8/11/1855 11 31-32 2 NOT NAMED 8/31/1855 14 NOT NAMED 9/15/1855 16 NOT NAMED 8/9/1856 10 NOT NAMED 8/13/1856 11 NOT NAMED 8/25/1856 13 NOT NAMED 9/18/1856 16 NOT NAMED 9/9/1857 15 NOT NAMED 9/22/1857 17 NOT NAMED 9/24/1857 17 NOT NAMED 6/12/1858 2 NOT NAMED 8/5/1858 10 NOT NAMED 9/14/1858 16 NOT NAMED 9/17/1858 16 NOT NAMED 9/22/1858 17 NOT NAMED 10/21/1858 21 NOT NAMED 7/1/1859 5 NOT NAMED 8/17/1859 12 NOT NAMED 9/2/1859 14 NOT NAMED 9/12/1859 15 NOT NAMED 9/16/1859 16 NOT NAMED 10/2/1859 18 NOT NAMED 10/28/1859 22 NOT NAMED 8/8/1860 10 NOT NAMED 8/24/1860 13 NOT NAMED 9/11/1860 15 NOT NAMED 9/11/1860 15 NOT NAMED 9/30/1860 18 NOT NAMED 10/20/1860 21 NOT NAMED 7/6/1861 6 NOT NAMED 8/14/1861 11 NOT NAMED 8/25/1861 13 NOT NAMED 9/17/1861 16 NOT NAMED 9/27/1861 17 NOT NAMED 11/1/1861 22 NOT NAMED 8/18/1862 12 NOT NAMED 9/12/1862 15 NOT NAMED 10/14/1862 20 NOT NAMED 8/8/1863 10 NOT NAMED 8/18/1863 12 NOT NAMED 8/19/1863 12 NOT NAMED 8/27/1863 13 NOT NAMED 9/9/1863 15 NOT NAMED 7/16/1864 7 NOT NAMED 8/26/1864 13 NOT NAMED 10/22/1864 21 NOT NAMED 9/6/1865 14 NOT NAMED 9/28/1865 18 NOT NAMED 10/18/1865 20 NOT NAMED 7/15/1866 7 NOT NAMED 8/13/1866 11 NOT NAMED 9/4/1866 14 NOT NAMED 9/18/1866 16 NOT NAMED 9/22/1866 17 NOT NAMED 9/24/1866 17 NOT NAMED 10/28/1866 22 NOT NAMED 7/28/1867 9 NOT NAMED 8/2/1867 9 NOT NAMED 8/31/1867 14 NOT NAMED 9/29/1867 18 NOT NAMED 10/2/1867 18 NOT NAMED 10/27/1867 22 NOT NAMED 9/3/1868 14 NOT NAMED 10/5/1868 19 NOT NAMED 10/15/1868 20 NOT NAMED 8/12/1869 11 NOT NAMED 8/16/1869 11 NOT NAMED 8/27/1869 13 NOT NAMED 9/4/1869 14 NOT NAMED 9/7/1869 15 NOT NAMED 9/11/1869 15 NOT NAMED 10/4/1869 18 NOT NAMED 7/30/1870 9 NOT NAMED 8/30/1870 13 NOT NAMED 9/9/1870 15 NOT NAMED 9/17/1870 16 NOT NAMED 10/5/1870 19 NOT NAMED 10/7/1870 19 NOT NAMED 10/10/1870 19 NOT NAMED 10/19/1870 21 NOT NAMED 10/23/1870 21 NOT NAMED 10/30/1870 22 NOT NAMED 8/14/1871 11 NOT NAMED 8/17/1871 12 NOT NAMED 8/30/1871 13 NOT NAMED 9/5/1871 14 NOT NAMED 9/30/1871 18 NOT NAMED 10/10/1871 19 NOT NAMED 8/20/1872 12 NOT NAMED 9/9/1872 15 NOT NAMED 9/30/1872 18 NOT NAMED 10/22/1872 21 NOT NAMED 8/13/1873 11 NOT NAMED 9/18/1873 16 NOT NAMED 9/26/1873 17 NOT NAMED 8/3/1874 10 NOT NAMED 8/29/1874 13 NOT NAMED 9/25/1874 17 NOT NAMED 10/31/1874 22 NOT NAMED 8/16/1875 11 NOT NAMED 9/1/1875 14 NOT NAMED 9/8/1875 15 NOT NAMED 10/7/1875 19 NOT NAMED 10/12/1875 20 NOT NAMED 9/9/1876 15 NOT NAMED 9/12/1876 15 NOT NAMED 9/29/1876 18 NOT NAMED 10/12/1876 20 NOT NAMED 9/14/1877 16 NOT NAMED 9/16/1877 16 NOT NAMED 9/21/1877 17 NOT NAMED 8/8/1878 10 NOT NAMED 8/19/1878 12 NOT NAMED 8/25/1878 13 NOT NAMED 9/1/1878 14 NOT NAMED 9/12/1878 15 NOT NAMED 9/24/1878 17 NOT NAMED 10/9/1878 19 NOT NAMED 10/9/1878 19 NOT NAMED 10/13/1878 20 NOT NAMED 10/18/1878 20 NOT NAMED 8/9/1879 10 NOT NAMED 8/13/1879 11 NOT NAMED 8/19/1879 12 NOT NAMED 8/29/1879 13 NOT NAMED 10/24/1879 21 NOT NAMED 11/18/1879 25 NOT NAMED 8/4/1880 10 NOT NAMED 8/15/1880 11 NOT NAMED 8/24/1880 13 NOT NAMED 8/26/1880 13 NOT NAMED 9/6/1880 14 NOT NAMED 9/8/1880 15 NOT NAMED 9/27/1880 17 NOT NAMED 10/5/1880 19 NOT NAMED 10/10/1880 19 NOT NAMED 8/11/1881 11 NOT NAMED 8/16/1881 11 NOT NAMED 8/21/1881 12 NOT NAMED 9/7/1881 15 NOT NAMED 8/24/1882 13 NOT NAMED 9/2/1882 14 NOT NAMED 9/24/1882 17 NOT NAMED 10/5/1882 19 NOT NAMED 8/18/1883 12 NOT NAMED 8/24/1883 13 NOT NAMED 9/4/1883 14 NOT NAMED 9/1/1884 14 NOT NAMED 9/3/1884 14 NOT NAMED 9/10/1884 15 NOT NAMED 10/7/1884 19 NOT NAMED 8/7/1885 10 NOT NAMED 8/21/1885 12 NOT NAMED 9/17/1885 16 NOT NAMED 9/18/1885 16 NOT NAMED 9/24/1885 17 NOT NAMED 9/26/1885 17 NOT NAMED 6/18/1886 3 NOT NAMED 6/27/1886 4 NOT NAMED 7/14/1886 7 NOT NAMED 8/12/1886 11 NOT NAMED 8/16/1886 11 NOT NAMED 9/15/1886 16 NOT NAMED 9/26/1886 17 NOT NAMED 10/8/1886 19 NOT NAMED 7/20/1887 8 NOT NAMED 8/15/1887 11 NOT NAMED 8/18/1887 12 NOT NAMED 9/1/1887 14 NOT NAMED 9/11/1887 15 NOT NAMED 9/14/1887 16 NOT NAMED 10/9/1887 19 NOT NAMED 10/10/1887 19 NOT NAMED 11/27/1887 26 NOT NAMED 12/4/1887 27 NOT NAMED 6/16/1888 3 NOT NAMED 8/14/1888 11 NOT NAMED 8/31/1888 14 NOT NAMED 10/8/1888 19 NOT NAMED 11/17/1888 25 NOT NAMED 5/16/1889 50 NOT NAMED 8/19/1889 12 NOT NAMED 9/1/1889 14 NOT NAMED 9/2/1889 14 NOT NAMED 9/11/1889 15 NOT NAMED 8/26/1890 13 NOT NAMED 7/3/1891 5 NOT NAMED 8/17/1891 12 NOT NAMED 8/18/1891 12 NOT NAMED 9/2/1891 14 NOT NAMED 9/16/1891 16 NOT NAMED 9/29/1891 18 NOT NAMED 10/8/1891 19 NOT NAMED 10/12/1891 20 NOT NAMED 8/16/1892 11 NOT NAMED 9/3/1892 14 NOT NAMED 9/13/1892 15 NOT NAMED 10/5/1892 19 NOT NAMED 6/12/1893 2 NOT NAMED 7/4/1893 5 NOT NAMED 8/13/1893 11 NOT NAMED 8/15/1893 11 NOT NAMED 8/15/1893 11 NOT NAMED 8/15/1893 11 NOT NAMED 8/20/1893 12 NOT NAMED 9/4/1893 14 NOT NAMED 9/25/1893 17 NOT NAMED 9/27/1893 17 NOT NAMED 8/30/1894 13 NOT NAMED 9/18/1894 16 NOT NAMED 10/1/1894 18 NOT NAMED 10/11/1894 19 NOT NAMED 10/21/1894 21 NOT NAMED 8/22/1895 12 NOT NAMED 10/12/1895 20 NOT NAMED 7/4/1896 5 NOT NAMED 8/30/1896 13 NOT NAMED 9/18/1896 16 NOT NAMED 9/22/1896 17 NOT NAMED 10/7/1896 19 NOT NAMED 10/26/1896 22 NOT NAMED 8/31/1897 14 NOT NAMED 9/10/1897 15 NOT NAMED 8/2/1898 9 NOT NAMED 8/30/1898 13 NOT NAMED 9/5/1898 14 NOT NAMED 9/25/1898 17 NOT NAMED 7/31/1899 9 NOT NAMED 8/3/1899 10 NOT NAMED 8/29/1899 13 NOT NAMED 9/3/1899 14 NOT NAMED 10/23/1899 21 BETSY 1/9/00 32 NOT NAMED 8/27/00 13 NOT NAMED 9/9/00 15 NOT NAMED 9/13/00 15 NOT NAMED 7/5/01 5 NOT NAMED 8/4/01 10 NOT NAMED 8/30/01 13 NOT NAMED 6/19/02 3 NOT NAMED 9/16/02 16 NOT NAMED 10/3/02 18 NOT NAMED 7/19/03 7 NOT NAMED 8/6/03 10 NOT NAMED 9/9/03 15 NOT NAMED 9/12/03 15 NOT NAMED 9/26/03 17 NOT NAMED 10/1/03 18 NOT NAMED 10/5/03 19 NOT NAMED 11/17/03 25 NOT NAMED 9/8/04 15 NOT NAMED 10/12/04 20 NOT NAMED 10/1/05 18 NOT NAMED 6/14/06 2 NOT NAMED 8/25/06 13 NOT NAMED 9/3/06 14 NOT NAMED 9/19/06 16 NOT NAMED 10/8/06 19 NOT NAMED 10/11/06 19 NOT NAMED 3/6/08 40 NOT NAMED 7/25/08 8 NOT NAMED 9/7/08 15 NOT NAMED 9/21/08 17 NOT NAMED 10/15/08 20 NOT NAMED 7/13/09 7 NOT NAMED 8/20/09 12 NOT NAMED 9/10/09 15 NOT NAMED 10/6/09 19 NOT NAMED 9/5/10 14 NOT NAMED 9/23/10 17 NOT NAMED 10/9/10 19 NOT NAMED 8/9/11 10 NOT NAMED 8/23/11 12 NOT NAMED 9/3/11 14 NOT NAMED 9/11/12 15 NOT NAMED 10/4/12 18 NOT NAMED 10/11/12 19 NOT NAMED 11/11/12 24 NOT NAMED 6/22/13 4 NOT NAMED 8/30/13 13 NOT NAMED 9/3/13 14 NOT NAMED 8/5/15 10 NOT NAMED 8/28/15 13 NOT NAMED 8/31/15 14 NOT NAMED 9/22/15 17 NOT NAMED 6/29/16 5 NOT NAMED 7/10/16 6 NOT NAMED 7/11/16 6 NOT NAMED 8/12/16 11 NOT NAMED 8/21/16 12 NOT NAMED 8/27/16 13 NOT NAMED 9/14/16 16 NOT NAMED 9/17/16 16 NOT NAMED 10/6/16 19 NOT NAMED 10/12/16 20 NOT NAMED 11/11/16 24 NOT NAMED 8/30/17 13 NOT NAMED 9/21/17 17 NOT NAMED 8/1/18 9 NOT NAMED 8/22/18 12 NOT NAMED 9/2/18 14 NOT NAMED 9/2/19 14 NOT NAMED 9/7/20 15 NOT NAMED 9/16/20 16 NOT NAMED 9/20/20 16 NOT NAMED 9/25/20 17 NOT NAMED 6/15/21 3 NOT NAMED 9/6/21 14 NOT NAMED 9/8/21 15 NOT NAMED 10/20/21 21 NOT NAMED 9/13/22 15 NOT NAMED 10/14/22 20 NOT NAMED 8/30/23 13 NOT NAMED 9/24/23 17 NOT NAMED 10/12/23 20 NOT NAMED 8/16/24 11 NOT NAMED 8/26/24 13 NOT NAMED 9/13/24 15 NOT NAMED 10/14/24 20 NOT NAMED 11/5/24 23 NOT NAMED 11/29/25 26 NOT NAMED 7/22/26 8 NOT NAMED 7/31/26 9 NOT NAMED 8/22/26 12 NOT NAMED 9/2/26 14 NOT NAMED 9/10/26 15 NOT NAMED 9/11/26 15 NOT NAMED 9/21/26 17 NOT NAMED 10/14/26 20 NOT NAMED 8/19/27 12 NOT NAMED 9/1/27 14 NOT NAMED 9/22/27 17 NOT NAMED 9/23/27 17 NOT NAMED 8/3/28 10 NOT NAMED 8/7/28 10 NOT NAMED 9/6/28 14 NOT NAMED 10/10/28 19 NOT NAMED 6/27/29 4 NOT NAMED 9/22/29 17 NOT NAMED 10/15/29 20 NOT NAMED 8/21/30 12 NOT NAMED 8/31/30 14 NOT NAMED 9/5/31 14 NOT NAMED 9/8/31 15 NOT NAMED 8/12/32 11 NOT NAMED 8/26/32 13 NOT NAMED 8/30/32 13 NOT NAMED 9/25/32 17 NOT NAMED 10/30/32 22 NOT NAMED 11/3/32 23 NOT NAMED 6/27/33 4 NOT NAMED 7/25/33 8 NOT NAMED 8/17/33 12 NOT NAMED 8/28/33 13 NOT NAMED 8/31/33 14 NOT NAMED 9/8/33 15 NOT NAMED 9/10/33 15 NOT NAMED 9/16/33 16 NOT NAMED 10/1/33 18 NOT NAMED 10/25/33 21 NOT NAMED 6/4/34 1 NOT NAMED 7/21/34 8 NOT NAMED 8/26/34 13 NOT NAMED 9/5/34 14 NOT NAMED 10/1/34 18 NOT NAMED 11/20/34 25 NOT NAMED 8/18/35 12 NOT NAMED 8/29/35 13 NOT NAMED 9/23/35 17 NOT NAMED 10/19/35 21 NOT NAMED 10/30/35 22 NOT NAMED 6/26/36 4 NOT NAMED 7/27/36 9 NOT NAMED 8/15/36 11 NOT NAMED 8/28/36 13 NOT NAMED 8/28/36 13 NOT NAMED 9/8/36 15 NOT NAMED 9/19/36 16 NOT NAMED 9/9/37 15 NOT NAMED 9/13/37 15 NOT NAMED 9/20/37 16 NOT NAMED 8/10/38 11 NOT NAMED 8/23/38 12 NOT NAMED 9/10/38 15 NOT NAMED 8/7/39 10 NOT NAMED 10/12/39 20 NOT NAMED 10/29/39 22 NOT NAMED 8/2/40 9 NOT NAMED 8/5/40 10 NOT NAMED 8/30/40 13 NOT NAMED 9/10/40 15 NOT NAMED 9/16/41 16 NOT NAMED 9/18/41 16 NOT NAMED 9/23/41 17 NOT NAMED 10/3/41 18 NOT NAMED 8/17/42 12 NOT NAMED 8/21/42 12 NOT NAMED 8/25/42 13 NOT NAMED 11/5/42 23 NOT NAMED 7/25/43 8 NOT NAMED 8/19/43 12 NOT NAMED 9/1/43 14 NOT NAMED 9/15/43 16 NOT NAMED 10/11/43 19 NOT NAMED 7/13/44 7 NOT NAMED 7/30/44 9 NOT NAMED 8/16/44 11 NOT NAMED 9/9/44 15 NOT NAMED 9/19/44 16 NOT NAMED 9/21/44 17 NOT NAMED 10/12/44 20 NOT NAMED 6/20/45 3 NOT NAMED 8/24/45 13 NOT NAMED 9/12/45 15 NOT NAMED 10/2/45 18 NOT NAMED 10/10/45 19 NOT NAMED 7/5/46 5 NOT NAMED 9/12/46 15 NOT NAMED 10/5/46 19 NOT NAMED 8/9/47 10 NOT NAMED 8/18/47 12 NOT NAMED 9/4/47 14 NOT NAMED 10/9/47 19 NOT NAMED 10/16/47 20 NOT NAMED 8/26/48 13 NOT NAMED 9/1/48 14 NOT NAMED 9/4/48 14 NOT NAMED 9/18/48 16 NOT NAMED 10/3/48 18 NOT NAMED 11/8/48 23 NOT NAMED 8/21/49 12 NOT NAMED 8/23/49 12 NOT NAMED 9/3/49 14 NOT NAMED 9/20/49 16 NOT NAMED 9/21/49 17 NOT NAMED 9/27/49 17 NOT NAMED 10/12/49 20 ABLE 8/12/50 11 BAKER 8/20/50 12 CHARLIE 8/21/50 12 DOG 8/30/50 13 EASY 9/1/50 14 FOX 9/8/50 15 GEORGE 9/27/50 17 ITEM 10/8/50 19 JIG 10/11/50 19 KING 10/13/50 20 LOVE 10/18/50 20 ABLE 5/15/51 50 CHARLIE 8/12/51 11 DOG 8/27/51 13 EASY 9/2/51 14 FOX 9/2/51 14 HOW 9/28/51 18 ITEM 10/12/51 20 JIG 10/15/51 20 ABLE 8/18/52 12 BAKER 8/31/52 14 CHARLIE 9/22/52 17 DOG 9/25/52 17 EASY 10/6/52 19 FOX 10/20/52 21 BARBARA 8/11/53 11 CAROL 8/28/53 13 DOLLY 9/8/53 15 EDNA 9/14/53 16 FLORENCE 9/23/53 17 GAIL 10/2/53 18 ALICE 6/24/54 4 CAROL 8/25/54 13 DOLLY 8/31/54 14 EDNA 9/2/54 14 FLORENCE 9/11/54 15 NOT NAMED 9/25/54 17 HAZEL 10/5/54 19 ALICE 12/30/54 31 CONNIE 8/3/55 10 DIANE 8/7/55 10 EDITH 8/21/55 12 FLORA 9/2/55 14 GLADYS 9/4/55 14 HILDA 9/10/55 15 IONE 9/10/55 15 JANET 9/21/55 17 KATIE 10/14/55 20 ANNA 7/25/56 8 BETSY 8/9/56 10 FLOSSY 9/21/56 17 GRETA 10/30/56 22 AUDREY 6/25/57 4 CARRIE 9/2/57 14 FRIEDA 9/20/57 16 CLEO 8/11/58 11 DAISY 8/24/58 13 ELLA 8/30/58 13 FIFI 9/4/58 14 HELENE 9/21/58 17 ILSA 9/24/58 17 JANICE 10/5/58 19 NOT NAMED 6/18/59 3 CINDY 7/5/59 5 DEBRA 7/23/59 8 FLORA 9/9/59 15 GRACIE 9/20/59 16 HANNAH 9/27/59 17 JUDITH 10/17/59 20 ABBY 7/10/60 6 CLEO 8/17/60 12 DONNA 8/29/60 13 ETHEL 9/14/60 16 ANNA 7/20/61 8 CARLA 9/3/61 14 DEBBIE 9/6/61 14 ESTHER 9/10/61 15 FRANCES 9/30/61 18 HATTIE 10/27/61 22 JENNY 11/1/61 22 ALMA 8/26/62 13 DAISY 9/29/62 18 ELLA 10/14/62 20 ARLENE 7/31/63 9 BEULAH 8/20/63 12 CINDY 9/16/63 16 DEBRA 9/19/63 16 EDITH 9/23/63 17 FLORA 9/26/63 17 GINNY 10/16/63 20 CLEO 8/20/64 12 DORA 8/28/64 13 ETHEL 9/4/64 14 GLADYS 9/13/64 15 HILDA 9/28/64 18 ISBELL 10/8/64 19 ANNA 8/21/65 12 BETSY 8/27/65 13 CAROL 9/16/65 16 ELENA 10/12/65 20 ALMA 6/4/66 1 BECKY 7/1/66 5 CELIA 7/13/66 7 DOROTHY 7/22/66 8 FAITH 8/21/66 12 INEZ 9/21/66 17 LOIS 11/4/66 23 ARLENE 8/28/67 13 BEULAH 9/5/67 14 CHLOE 9/5/67 14 DORIA 9/8/67 15 FERN 10/1/67 18 HEIDI 10/19/67 21 ABBY 6/1/68 1 BRENDA 6/17/68 3 DOLLY 8/10/68 11 SUBTROP 9/14/68 16 GLADYS 10/13/68 20 BLANCHE 8/11/69 11 CAMILLE 8/14/69 11 DEBBIE 8/14/69 11 FRANCELIA 8/29/69 13 GERDA 9/6/69 14 HOLLY 9/14/69 16 INGA 9/20/69 16 NOT NAMED 9/21/69 17 KARA 10/7/69 19 LAURIE 10/17/69 20 NOT NAMED 10/30/69 22 MARTHA 11/21/69 25 ALMA 5/17/70 51 CELIA 7/31/70 9 ELLA 9/8/70 15 NOT NAMED 10/12/70 20 NOT NAMED 10/20/70 21 NOT NAMED 8/3/71 10 BETH 8/10/71 11 FERN 9/3/71 14 EDITH 9/5/71 14 GINGER 9/6/71 14 IRENE 9/11/71 15 AGNES 6/14/72 2 BETTY 8/22/72 12 DAWN 9/5/72 14 ALICE 7/1/73 5 BRENDA 8/18/73 12 ELLEN 9/14/73 16 FRAN 10/8/73 19 BECKY 8/26/74 13 CARMEN 8/29/74 13 FIFI 9/14/74 16 GERTRUDE 9/27/74 17 BLANCHE 7/24/75 8 CAROLINE 8/24/75 13 DORIS 8/28/75 13 ELOISE 9/13/75 15 FAYE 9/18/75 16 GLADYS 9/22/75 17 BELLE 8/6/76 10 CANDICE 8/18/76 12 EMMY 8/20/76 12 FRANCES 8/27/76 13 GLORIA 9/26/76 17 HOLLY 10/22/76 21 ANITA 8/29/77 13 BABE 9/3/77 14 CLARA 9/5/77 14 DOROTHY 9/26/77 17 EVELYN 10/13/77 20 CORA 8/7/78 10 ELLA 8/30/78 13 FLOSSIE 9/4/78 14 GRETA 9/13/78 15 KENDRA 10/28/78 22 BOB 7/9/79 6 DAVID 8/25/79 13 FREDERIC 8/29/79 13 GLORIA 9/4/79 14 HENRI 9/15/79 16 ALLEN 7/31/80 9 BONNIE 8/14/80 11 CHARLEY 8/20/80 12 GEORGES 9/1/80 14 EARL 9/4/80 14 FRANCES 9/6/80 14 IVAN 10/1/80 18 JEANNE 11/7/80 23 KARL 11/25/80 26 DENNIS 8/7/81 10 EMILY 8/31/81 14 FLOYD 9/3/81 14 GERT 9/7/81 15 HARVEY 9/11/81 15 IRENE 9/21/81 17 KATRINA 11/3/81 23 ALBERTO 6/2/82 1 DEBBY 9/13/82 15 ALICIA 8/15/83 11 BARRY 8/23/83 12 CHANTAL 9/10/83 15 DIANA 9/8/84 15 HORTENSE 9/23/84 17 JOSEPHINE 10/7/84 19 KLAUS 11/5/84 23 LILI 12/12/84 28 BOB 7/21/85 8 CLAUDETTE 8/9/85 10 DANNY 8/12/85 11 ELENA 8/28/85 13 GLORIA 9/16/85 16 JUAN 10/26/85 22 KATE 11/15/85 24 BONNIE 6/23/86 4 CHARLEY 8/13/86 11 EARL 9/10/86 15 FRANCES 11/18/86 25 ARLENE 8/8/87 10 EMILY 9/20/87 16 FLOYD 10/9/87 19 DEBBY 8/31/88 14 FLORENCE 9/7/88 15 GILBERT 9/8/88 15 HELENE 9/19/88 16 JOAN 10/10/88 19 CHANTAL 7/30/89 9 DEAN 7/31/89 9 ERIN 8/18/89 12 FELIX 8/26/89 13 GABRIELLE 8/30/89 13 HUGO 9/10/89 15 JERRY 10/12/89 20 BERTHA 7/24/90 8 DIANA 8/4/90 10 GUSTAV 8/24/90 13 ISIDORE 9/4/90 14 JOSEPHINE 9/21/90 17 KLAUS 10/3/90 18 LILI 10/6/90 19 NANA 10/16/90 20 BOB 8/16/91 11 CLAUDETTE 9/4/91 14 GRACE 10/25/91 21 UNNAMED 10/28/91 22 ANDREW 8/16/92 11 BONNIE 9/17/92 16 CHARLEY 9/21/92 17 FRANCES 10/22/92 21 EMILY 8/22/93 12 FLOYD 9/7/93 15 GERT 9/14/93 16 HARVEY 9/18/93 16 CHRIS 8/16/94 11 FLORENCE 11/2/94 23 GORDON 11/8/94 23 ALLISON 6/3/95 1 ERIN 7/31/95 9 FELIX 8/8/95 10 HUMBERTO 8/22/95 12 IRIS 8/22/95 12 LUIS 8/28/95 13 MARILYN 9/12/95 15 NOEL 9/26/95 17 OPAL 9/27/95 17 ROXANNE 10/7/95 19 TANYA 10/27/95 22 BERTHA 7/5/96 5 CESAR 7/24/96 8 DOLLY 8/19/96 12 EDOUARD 8/19/96 12 FRAN 8/23/96 12 HORTENSE 9/3/96 14 ISIDORE 9/24/96 17 LILI 10/14/96 20 MARCO 11/13/96 24 BILL 7/11/97 6 DANNY 7/16/97 7 ERIKA 9/3/97 14 BONNIE 8/19/98 12 DANIELLE 8/24/98 13 EARL 8/31/98 14 GEORGES 9/15/98 16 IVAN 9/19/98 16 JEANNE 9/21/98 17 KARL 9/23/98 17 LISA 10/5/98 19 MITCH 10/22/98 21 NICOLE 11/24/98 26 BRET 8/18/99 12 CINDY 8/19/99 12 DENNIS 8/24/99 13 FLOYD 9/7/99 15 GERT 9/11/99 15 IRENE 10/12/99 20 JOSE 10/17/99 20 LENNY 11/13/99 24 ALBERTO 8/3/00 10 DEBBY 8/19/00 12 FLORENCE 9/10/00 15 GORDON 9/14/00 16 ISAAC 9/21/00 17 JOYCE 9/25/00 17 KEITH 9/28/00 18 MICHAEL 10/15/00 20
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