Tropical Cyclones In 2012
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During 2012, tropical cyclones formed within seven different
tropical cyclone basins Traditionally, areas of tropical cyclone formation are divided into seven basins. These include the North Atlantic Ocean, the eastern and western parts of the North Pacific Ocean, the Southwest Pacific, the Southwest and Southeast Indian Oceans, ...
, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 128 tropical cyclones had formed this year to date. 85 tropical cyclones had been named by either a
Regional Specialized Meteorological Center A Regional Specialized Meteorological Centre (RSMC) is responsible for the distribution of information, advisories, and warnings regarding the specific program they have a part of, agreed by consensus at the World Meteorological Organization as ...
(RSMC) or a
Tropical Cyclone Warning Center A Regional Specialized Meteorological Centre (RSMC) is responsible for the distribution of information, advisories, and warnings regarding the specific program they have a part of, agreed by consensus at the World Meteorological Organization as ...
(TCWC). The most active basin in the year was the Western Pacific, which documented 25 named systems, while the
North Atlantic The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for ...
saw its fifth-most-active season on record, tied with
1887 Events January * January 11 – Louis Pasteur's anti-rabies treatment is defended in the Académie Nationale de Médecine, by Dr. Joseph Grancher. * January 20 ** The United States Senate allows the United States Navy to lease Pearl Har ...
,
1995 1995 was designated as: * United Nations Year for Tolerance * World Year of Peoples' Commemoration of the Victims of the Second World War This was the first year that the Internet was entirely privatized, with the United States government ...
,
2010 The year saw a multitude of natural and environmental disasters such as the 2010 Haiti earthquake, the Deepwater Horizon oil spill, and the 2010 Chile earthquake. The 2009 swine flu pandemic, swine flu pandemic which began the previous year ...
, and
2011 The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ...
. Conversely, the Eastern Pacific hurricane season experienced an average number of cyclones reaching
tropical storm A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its lo ...
intensity, numbering 17 respectively. The least-active basin of the year was the
North Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it ...
, which had a late start with its first system forming in October. Activity across the southern hemisphere's three basins— South-West Indian,
Australian Australian(s) may refer to: Australia * Australia, a country * Australians, citizens of the Commonwealth of Australia ** European Australians ** Anglo-Celtic Australians, Australians descended principally from British colonists ** Aboriginal Aus ...
, and
South Pacific The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
—was spread evenly, with each region recording seven named storms apiece. So far, twenty-four Category 3 tropical cyclones formed, including three Category 5 tropical cyclones in the year. The
accumulated cyclone energy Accumulated cyclone energy (ACE) is a metric used to compare overall activity of tropical cyclones, utilizing the available records of windspeeds at six-hour intervals to synthesize storm duration and strength into a single index value. The ACE ...
(ACE) index for the 2012 (seven basins combined), as calculated by
Colorado State University Colorado State University (Colorado State or CSU) is a Public university, public Land-grant university, land-grant research university in Fort Collins, Colorado, United States. It is the flagship university of the Colorado State University Syst ...
was 740.5 units. The strongest
tropical cyclone A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...
was
Typhoon Sanba Typhoon Sanba, known in the Philippines as Super Typhoon Karen, was the strongest tropical cyclone Tropical cyclones in 2012, worldwide in 2012. The sixteenth tropical cyclone naming, named storm and tenth typhoon of the 2012 Pacific typhoon seas ...
, which strengthened to a minimum
barometric pressure Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as , which is equivalent to 1,013.2 ...
of 900 
mbar The bar is a metric unit of pressure defined as 100,000  Pa (100 kPa), though not part of the International System of Units (SI). A pressure of 1 bar is slightly less than the current average atmospheric pressure on Earth at sea ...
(
hPa The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is an S ...
; 26.58 
inHg Inch of mercury (inHg, ″Hg, or in) is a non- SI unit of measurement for pressure. It is used for barometric pressure in weather reports, refrigeration and aviation in the United States. It is the pressure exerted by a column of mercury in h ...
) before striking
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
. The costliest tropical cyclone of the year was
Hurricane Sandy Hurricane Sandy (unofficially referred to as Superstorm Sandy) was an extremely large and devastating tropical cyclone which ravaged the Caribbean and the coastal Mid-Atlantic (United States), Mid-Atlantic region of the United States in late ...
, which caused $68.7 billion (2012 USD) in damages after striking the Caribbean and United States. The deadliest tropical cyclone of the year was
Typhoon Bopha Typhoon Bopha, known in the Philippines as Super Typhoon Pablo, was the strongest tropical cyclone on record to ever affect the Philippine island of Mindanao, making landfall as a Category 5 super typhoon with winds of . The twenty-fourth ...
which caused widespread destruction on Mindanao, leaving thousands of people homeless and killing 1,901 people.


Global atmospheric and hydrological conditions

The Atlantic Ocean began an organization favorable to the
sea surface temperatures Sea surface temperature (or ocean surface temperature) is the ocean temperature, temperature of ocean water close to the surface. The exact meaning of ''surface'' varies in the literature and in practice. It is usually between and below the sea ...
, while the Eastern and Central Pacific Ocean began on unfavorable conditions due to dissipation of the 2010–12 La Niña event in April 2012. During the month of May to November along the Pacific hurricane season a favorable organization began due to the
sea surface temperatures Sea surface temperature (or ocean surface temperature) is the ocean temperature, temperature of ocean water close to the surface. The exact meaning of ''surface'' varies in the literature and in practice. It is usually between and below the sea ...
and the formation of
El Niño–Southern Oscillation El Niño–Southern Oscillation (ENSO) is a global climate phenomenon that emerges from variation in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have an irregular pattern but do have some semblance of cyc ...
.


Summary

ImageSize = width:1600 height:341 PlotArea = top:10 bottom:80 right:20 left:20 Legend = columns:3 left:20 top:58 columnwidth:270 AlignBars = early DateFormat = dd/mm/yyyy Period = from:21/12/2011 till:10/01/2013 TimeAxis = orientation:horizontal ScaleMinor = grid:black unit:month increment:1 start:01/01/2012 Colors = id:canvas value:gray(0.88) id:NATL value:blue legend: North_Atlantic_Ocean id:EPAC/CPAC value:green legend: East_and_Central_Pacific_Ocean id:WPAC value:red legend: West_Pacific_Ocean id:NIO value:orange legend: North_Indian_Ocean id:SWIO value:purple legend: Southwest_Indian_Ocean id:SPAC value:yellow legend: South_Pacific_Ocean id:AUSR value:pink legend: Australian_Region id:SATL value:black legend: South_Atlantic_Ocean id:MED value:gray(0.99) legend: Mediterranean_Sea Backgroundcolors = canvas:canvas BarData = barset:Hurricane bar:Month PlotData= barset:Hurricane width:10 align:left fontsize:S shift:(4,-4) anchor:till from:21/12/2011 till:02/01/2012 color:AUSR text:"
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Irina Irina or Iryna (Cyrillic: Ирина, Ірина) is a feminine given name of Ancient Greek origin, commonly borne by followers of the Eastern Orthodox Church The Eastern Orthodox Church, officially the Orthodox Catholic Church, and a ...
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Isaac Isaac ( ; ; ; ; ; ) is one of the three patriarchs (Bible), patriarchs of the Israelites and an important figure in the Abrahamic religions, including Judaism, Christianity, Islam, and the Baháʼí Faith. Isaac first appears in the Torah, in wh ...
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tropical cyclone basins Traditionally, areas of tropical cyclone formation are divided into seven basins. These include the North Atlantic Ocean, the eastern and western parts of the North Pacific Ocean, the Southwest Pacific, the Southwest and Southeast Indian Oceans, ...
"
Nineteen tropical cyclones formed in the
Atlantic hurricane An Atlantic hurricane is a type of tropical cyclone that forms in the Atlantic Ocean primarily between June and November. The terms "hurricane", "typhoon", and "cyclone, tropical cyclone" can be used interchangeably to describe this weather ph ...
season, the third-most active in history with previous
1887 Events January * January 11 – Louis Pasteur's anti-rabies treatment is defended in the Académie Nationale de Médecine, by Dr. Joseph Grancher. * January 20 ** The United States Senate allows the United States Navy to lease Pearl Har ...
,
1995 1995 was designated as: * United Nations Year for Tolerance * World Year of Peoples' Commemoration of the Victims of the Second World War This was the first year that the Internet was entirely privatized, with the United States government ...
,
2010 The year saw a multitude of natural and environmental disasters such as the 2010 Haiti earthquake, the Deepwater Horizon oil spill, and the 2010 Chile earthquake. The 2009 swine flu pandemic, swine flu pandemic which began the previous year ...
and
2011 The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ...
seasons. On East Pacific and Central Pacific, a total of 17 named storms formed during the season.


Systems

A total of 132 systems formed globally in the year with 52 of them causing significant damage, deaths, and/or setting records for their basin.


January

January was the most active month of the year with 21 tropical cyclones forming, However, only six were named by specific tropical cyclone naming agencies. Intense Tropical Cyclone Funso produced flooding rains as it looped in the Mozambique Channel, killing at least 21 people, soon after Subtropical Depression Dando killed 10 people across southern Africa.


February

A total of nine tropical systems of all intensities were monitored during February 2012, of which five developed further and were named by the various warning centres. Intense Tropical Cyclone Giovanna was a powerful tropical cyclone that affected
Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...
. Giovanna is still blamed for 33 deaths along the Madagascar coast, and it is the first intense tropical cyclone to impact Madagascar, since
Cyclone Bingiza Tropical Cyclone Bingiza was the only tropical cyclone naming, named storm to make landfall (meteorology), landfall in the inactive 2010–11 South-West Indian Ocean cyclone season. The second of three storms, Bingiza developed on 9 February to ...
in February 2011.


March

A total of twelve tropical systems of all intensities were monitored during March 2012, of which four developed further and were named by the various warning centres.
Cyclone Lua Severe Tropical Cyclone Lua affected a sparsely populated region of Western Australia during mid-March 2012. Originating in a broad low pressure area that formed northwest of Australia by 8 March, the storm was plagued by inhibiting wind shear ...
affected a sparsely populated region of
Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...
.


April

A total of 4 tropical cyclones formed during this month, making this month the least active of 2012. None of these tropical cyclones were tropical storm strength or higher, thus making Tropical Cyclone Daphne, which was formed in March as the strongest tropical cyclone of this month.


May


June


July

July was slightly active with only seven tropical cyclones being named, with all of them being named.


August


September


October


November


December


Global effects


Notes

1 Only systems that formed either on or after January 1, 2012 are counted in the seasonal totals.
2 Only systems that formed either before or on December 31, 2012 are counted in the seasonal totals.
3 The wind speeds for this tropical cyclone/basin are based on the
IMD Scale Tropical cyclones are ranked on one of five tropical cyclone intensity scales, according to their maximum sustained winds and which tropical cyclone basins they are located in. Only a few classifications are used officially by the meteorologica ...
which uses 3-minute sustained winds.

4 The wind speeds for this tropical cyclone/basin are based on the Saffir Simpson Scale which uses 1-minute sustained winds.
5The wind speeds for this tropical cyclone are based on
Météo-France Météo-France is the official French meteorological administration, also offering services to Andorra and Monaco. It has the powers of the state and can exercise them in relation to meteorology. Météo-France is in charge of observing, study ...
which uses gust winds.


See also

*
Tropical cyclones by year The following is a list of tropical cyclones by year. Since the year 957, there have been at least 12,791 recorded tropical and subtropical cyclones in the Atlantic, Pacific, and Indian oceans, which are known as basins. Collectively, tropica ...
*
List of earthquakes in 2012 This is a list of earthquakes in 2012. Only earthquakes of magnitude 6 or above are included, unless they result in damage or casualties, or are notable for some other reason. All dates are listed according to UTC time. Two huge 8 magnitude eart ...
*
Tornadoes of 2012 This page documents the tornadoes and tornado outbreaks of 2012. Extremely destructive tornadoes form most frequently in the United States, Bangladesh, Brazil and eastern India, but they can occur almost anywhere under the right conditions. Tornad ...


References


External links

Regional Specialized Meteorological Centers
US National Hurricane Center
nbsp;– North Atlantic, Eastern Pacific
Central Pacific Hurricane Center
nbsp;– Central Pacific
Japan Meteorological Agency
nbsp;– NW Pacific
India Meteorological Department
nbsp;–
Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Mainland Southeast Asia, Indochinese peninsula, located below the Bengal region. Many South Asian and Southe ...
and the
Arabian Sea The Arabian Sea () is a region of sea in the northern Indian Ocean, bounded on the west by the Arabian Peninsula, Gulf of Aden and Guardafui Channel, on the northwest by Gulf of Oman and Iran, on the north by Pakistan, on the east by India, and ...

Météo-France â€“ La Reunion
nbsp;– South Indian Ocean from 30°E to 90°E
Fiji Meteorological Service
nbsp;– South Pacific west of 160°E, north of 25° S Tropical Cyclone Warning Centers
Meteorology, Climatology, and Geophysical Agency of Indonesia
nbsp;– South Indian Ocean from 90°E to 141°E, generally north of 10°S
Australian Bureau of Meteorology (TCWC's Perth, Darwin & Brisbane)
nbsp;– South Indian Ocean & South Pacific Ocean from 90°E to 160°E, generally south of 10°S
Papua New Guinea National Weather Service
nbsp;– South Pacific Ocean from 141°E to 160°E, generally north of 10°S
Meteorological Service of New Zealand Limited
nbsp;– South Pacific west of 160°E, south of 25°S {{DEFAULTSORT:Tropical cyclones in 2012 * Tropical cyclones by year