* 1991 – A rare tropical storm develops in the South Atlantic Ocean near Angola ; the first to be documented by satellites.

The unit was redefined in terms of the tropical year at 1900. 0 instead of the sidereal year ; and the standard second was defined first as 1 / 31556925. 975 of the tropical year at 1900. 0, and then as the slightly modified fraction 1 / 31556925. 9747 instead, finally being redefined in 1967 / 8 in terms of the cesium atomic clock standard ( see below ).

There is also the Sea Life Centre Hanover, which is the first tropical aquarium in Germany.

High standards employed in construction techniques, transportation systems and landscaping maintenance operations for the Canal Zone's urban development employed during the first half of the 20th century, had no parallel in tropical regions in the hemisphere.

What follows is a list of the twelve signs of the modern zodiac ( with the ecliptic longitudes of their first points ), where 0 ° Aries is understood as the vernal equinox, with their Latin, Greek, Sanskrit, and Babylonian names ( but note that the Sanskrit and the Babylonian name equivalents denote the constellations only, not the tropical zodiac signs ).

The prevention of the destruction of the tropical rainforests of the world is a major environmental cause that first came into wide public concern in the early 1990s, and has continued and accelerated.

** A South Atlantic tropical cyclone develops in the Southern Hemisphere off the coast of Angola ( the first of its kind to be documented by weather satellites ).

They are native to tropical South and Southeast Asia, and are likely to have been first domesticated in Papua New Guinea.

The tropical zodiac defines the vernal point ( the first day of spring in the northern hemisphere ) as the first degree of Aries, but the sidereal zodiac allows it to precess.

French Guiana was first settled by the French in 1604, although its earliest settlements were abandoned in the face of American Indian hostility and tropical diseases.

When European explorers discovered this tropical fruit in the Americas, they called them " pineapples " ( first so referenced in 1664 due to resemblance to what is now known as the pine cone ).

Charles de l ' Ecluse, who first described and sketched C. indica indicates this origin, and states that it was given the name of indica, not because the plant is from India, in Asia, but because this species was originally transported from America: " Quia ex America primum delata sit "; and at that time, one described the tropical areas of that part of the globe as the Western Indies.

Other species are tropical forest plants that appear at first glance to be ferns.

He first investigated the rate of decrease in mean temperature with the increase in elevation above sea level, and afforded, by his inquiries regarding the origin of tropical storms, the earliest clue to the detection of the more complicated law governing atmospheric disturbances in higher latitudes ; while his essay on the geography of plants was based on the then novel idea of studying the distribution of organic life as affected by varying physical conditions.

With Chamberlain's support, Patrick Manson founded the world's first medical facility dedicated to tropical medicine in 1899.

Hurricane Gustav of 2002 was the first Subtropical Storm to receive a name but became tropical shortly after naming.

Subtropical Storm Nicole, from the 2004 Atlantic hurricane season was the first subtropical storm that did not become tropical since the policy change.

The anomalous rainfall is usually first evident over the western Indian Ocean, and remains evident as it propagates over the very warm ocean waters of the western and central tropical Pacific.

Unlike the previous installment, which featured a pirate high-seas adventure theme, this game has more of a mix between a mechanical theme ( especially the technological island of Mekanos ) and a generic theme similar to the first game, but unlike Donkey Kong Countrys often tropical sceneries, this game features locations much more similar to northern maritime and continental climates, including the presence of evergreen and deciduous forests, snowy mountains, cliffs, waterfalls and a group of allies called Brothers Bear.

The paper which finally resulted from this study was published in Zoologica in 1925, and was the first study of its kind in the developing field of tropical ecology.

The saga explains how this first, tropical culture was divided into ten different kingdoms as life on each continents developed into parallel but different biotops.

* 1494 Christopher Columbus experience a tropical cyclone, leads to the first written European account of a hurricane.

These dealt first of all with the physiology of people living in tropical regions.

In addition, Alicia was the first billion-dollar tropical cyclone in Texas history.

The third tropical cyclone, first named storm, and first hurricane of the 2000 Atlantic hurricane season, Alberto developed near the west coast of Africa from a tropical wave on August 3, which had entered the Atlantic on the same day.

Upon first being classified as a tropical cyclone, Camille was located in an area favorable for further strengthening, although initially it slowly intensified.

The second tropical cyclone and first named storm of the 1972 Atlantic hurricane season, Agnes developed on June 14 from the interaction of a polar front and an upper trough over the Yucatán Peninsula.

The second tropical cyclone, second hurricane, and second major hurricane of the season, the Labor Day Hurricane was the first of three Category 5 hurricanes at landfall that the United States endured during the 20th Century ( the other two being 1969's Hurricane Camille and 1992's Hurricane Andrew ).

When it was first upgraded to a tropical storm, the cyclone already had winds of 65 mph ( 100 km / h ) and a developing eye feature.

The first tropical cyclone, Hurricane Allison, developed on June 2, while the season's final storm, Hurricane Tanya, dissipated on November 3.

It was first known simply as the North River by the British and was believed to be partly responsible for reducing tsunami and cyclone damage to much of the Chennai-southern Andhra coastline

Hurricane Dora was the first tropical cyclone on record to make landfall over the extreme northeast coast of Florida.

Striking northeastern Florida, Dora became the first tropical cyclone on record to make landfall in the region.

The season officially began on June 1, although the season's first cyclone did not develop until July 14.

The first cyclone, Tropical Depression One, developed in the southern Gulf of Mexico on June 7 and dissipated after an uneventful duration.

The Atlantic hurricane season officially began on June 1, 1998, with the first tropical cyclone developing on July 27.

Activity in the season began slowly, with the first tropical cyclone not forming until July 27.

The 1996 Atlantic hurricane season was the first Atlantic hurricane season since 1965 in which every tropical cyclone attained tropical storm intensity.

The season's first tropical cyclone, Tropical Storm Arthur, developed on June 17, while the final cyclone, Hurricane Marco dissipated on November 24.

The first tropical cyclone, Tropical Depression One, developed on May 31, while the final storm, Tropical Depression Ten, dissipated on October 1, well before the average dissipation date of a season's last tropical cyclone, the first occurrence since the 1930 season.

John H. Geiger, who was Key West's first harbor pilot, which later became Audubon House and Tropical Gardens.

In 1977 the Pacific Marine Environmental Laboratory ( PMEL ) deployed the first successful moored equatorial current meter – the beginning of the Tropical Atmosphere / Ocean ( TAO ) array.

The next year one of his horses, Gornil, won at Miami's Tropical Park, making him the first Florida-raised thoroughbred to win a Florida race.

In 1999, Egbert Leigh, who first visited the island in 1966, and now spends half his week there, published Tropical Forest Ecology: A View from Barro Colorado Island.

Hours later, it intensified into Tropical Storm Isabel, though operationally the National Hurricane Center did not begin issuing advisories until 13 hours after it first developed.

Allison was the first storm since Tropical Storm Frances in 1998 to strike the northern Texas coastline.

At 1200 UTC on June 5, the disturbance developed a broad, low-level circulation, and was classified as Tropical Storm Allison, the first storm of the 2001 Atlantic hurricane season.

When the National Hurricane Center issued the first advisory on Allison, officials issued Tropical Storm Warnings from Sargent, Texas to Morgan City, Louisiana.

The period from 1960 to 1970 saw a revived era of construction and expansion with the construction of the Zoo ’ s first Children ’ s Zoo, the Small Mammal House ( now the Natural Encounters Building ), and the Tropical Bird House.

Jack Eitniear of the Center for the Study of Tropical Birds in San Antonio, Texas reviewed the plumage of birds in captivity of various ages and found that ventral feathers were the first to begin turning white from two years of age onwards, followed by wing feathers, until the full adult plumage was achieved.

On November 2, 2006, Montañez won his first Latin Grammy for Best Traditional Tropical Album, together with Pablo Milanés.

In August 2008, Tropical Storm Fay increased water levels to 0. 65 metres above sea level, the first time it exceeded 3. 66 metres since January 2007.

The first CERES instrument ( PFM ) was launched aboard the NASA Tropical Rainfall Measuring Mission ( TRMM ) in November 1997 from Japan.

The Caribbean Reef exhibit was built in 1971, on the site of the aquarium's very first exhibit, the Tropical Pool.

From its modest beginnings in the 1890s as the first state medical school in Texas, the University of Texas Medical Branch at Galveston ( UTMB ) has developed into a large, sophisticated health science complex with numerous schools and institutes, including: a Graduate School of Biomedical Sciences, School of Medicine, School of Nursing, School of Health Professions, Institute for Human Infections and Immunity, Institute for the Medical Humanities, an affiliated Shriners Burns Hospital, the Sealy Center for Molecular Medicine, the Sealy Center for Structural Biology, the Center for Biodefense and Emerging Infectious Diseases, the Center for Addiction Research, the Educational Cancer Center, the Center for Interdisciplinary Research in Women ’ s Health, the Insyitute for Translational Sciences, the Galveston National Laboratory ( GNL ), the Sealy Center for Cancer Cell Biology, the Sealy Center for Environmental Health and Medicine, the World Health Organization Collaborating Center for Tropical Diseases, the Stark Diabetes Center, the Center for Biomedical Engineering, the Center for Environmental Toxicology, the Sealy Center on Aging, the George P. and Cynthia Woods Mitchell Center for Neurodegenerative Diseases, and the Sealy Center for Vaccine Development.

The Sun, Moon, Mars and Venus were in exact alignment, astrologically called a conjunction at the first degree of Virgo in Tropical Astrology.

In July 2010, the students in the School of Hospitality, Tourism and Culture participated and partnered for the very first time with North America's Largest Cultural Festival-Scotiabank Caribana ( now formally called Scotiabank Caribbean Carnival Toronto ( SBCCT )- Festival Management Committee and Tribal Knights with Dexter Senshuai created a Queen costume worn by Salome Odney a hospitality student under the theme " Tropical Amazon " which was presented at the Annual King and Queen Competition and then at the Annual Parade.

Shortly thereafter, the first advisory was issued on Tropical Storm Dora and the center was estimated to be roughly 850 mi ( 1, 370 km ) east of Trinidad.

It did not become Tropical Storm Alex until July 29, which was an abnormally late first named storm for an Atlantic hurricane season.

There is evidence of a small settlement in the area dating back to the 16th century, but the city was not incorporated until 1922, not long after the discovery of oil and the construction of the first extraction wells by the Tropical Oil Company ( Standard Oil Company ).