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Development or strengthening of cyclonic circulation in the atmosphere
Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere (a low-pressure area). Cyclogenesis is an umbrella term for
Cyclogenesis
Development and strengthening of a tropical cyclone in the atmosphere
Tropical cyclogenesis is the development and strengthening of a tropical cyclone in the atmosphere. The mechanisms through which tropical cyclogenesis occur
Tropical_cyclogenesis
Rapidly deepening extratropical cyclonic low-pressure area
classify something as explosive cyclogenesis is latitude dependent. For example, at 60° latitude, explosive cyclogenesis occurs if the central pressure
Explosive_cyclogenesis
Large scale rotating air mass
the Southern Hemisphere. Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere. Cyclogenesis is an umbrella term for
Cyclone
Type of cyclone
950 mbar (28 inHg). Weather portal Nor'easter Sudestada Cyclogenesis Explosive cyclogenesis Cyclolysis Late December 1999 European storms DeCaria (2005-12-07)
Extratropical_cyclone
Area with air pressures lower than adjacent areas
levels". Cyclogenesis is the development and strengthening of cyclonic circulations, or low-pressure areas, within the atmosphere. Cyclogenesis is the opposite
Low-pressure_area
Weather phenomenon in Northern Italy
Genoa. Genoa low cyclogenesis can occur at any time of year, though usually situated further south during the summer. Cyclogenesis is shifted to the
Genoa_low
Broad rainy season low-pressure system
development occurs in tandem with around half of all CAGs. Tropical cyclogenesis typically occurs on the northeastern periphery of the gyre, with the
Central_American_gyre
Regional tropical cyclone
cyclogenesis in all tropical cyclone basins. As the oscillation propagates from west to east, it leads to an eastward march in tropical cyclogenesis with
Typhoon
Rapidly rotating storm system
on tropical cyclogenesis, concluding that planets with intermediate (8 day) rotation periods are most favorable for tropical cyclogenesis, though weak
Tropical_cyclone
Cyclonic storm with tropical and extratropical characteristics
The average sea surface temperature that helps lead to subtropical cyclogenesis is 24 °C (75 °F). If the thunderstorm activity becomes deep and persistent
Subtropical_cyclone
Annual time period
period in each year when most tropical cyclogenesis occurs in the basin. Even so, subtropical or tropical cyclogenesis is possible at any time of the year
Atlantic_hurricane_season
historically describe the period in each year when most subtropical or tropical cyclogenesis occurs in the Atlantic Ocean (over 97%). The National Hurricane Center
2026 Atlantic hurricane season
2026_Atlantic_hurricane_season
Meteorological interaction of warm and cool air masses
meteorology, an occluded front is a type of weather front formed during cyclogenesis. The classical and usual view of an occluded front is that it starts
Occluded_front
Short-term state of the atmosphere
Carlyle H; Heikkinen, Stacey H.; Liou, Chi-Sann; Nuss, Wendell A. "A Rapid Cyclogenesis Event during GALE IOP 9". Archived from the original on 24 February 2026
Weather
historically describe the period in each year when most subtropical or tropical cyclogenesis occurs in the Atlantic Ocean. Overall, 13 named storms formed, with 5 of
2025 Atlantic hurricane season
2025_Atlantic_hurricane_season
just "cyclone" Subtropical cyclone Australian east coast low Explosive cyclogenesis or weather bomb Dust storm Haboob Dust devil Sandstorm Hurricane Katabatic
List of severe weather phenomena
List_of_severe_weather_phenomena
Tropical atmosphere element of variability
The Madden–Julian oscillation (MJO) is the largest element of the intraseasonal (30- to 90-day) variability in the tropical atmosphere. It was discovered
Madden–Julian_oscillation
only month of the year after the hurricane season, has featured the cyclogenesis of fourteen tropical cyclones. The second Hurricane Alice in 1954 was
List of Atlantic hurricane records
List_of_Atlantic_hurricane_records
dates, adopted by convention, describe the period in which most tropical cyclogenesis occurs in the Pacific Ocean. The first system of the season, Tropical
2026_Pacific_hurricane_season
Weather phenomenon
sufficient spin and convergence is one of the six requirements for tropical cyclogenesis. There appears to be a 15- to 25-day cycle in thunderstorm activity associated
Monsoon_trough
Type of storm system in southern US
or Texas hooker) is a relatively infrequent winter storm system whose cyclogenesis occurs in the South to southwestern United States from the late fall
Panhandle_hook
345 mi) from the equator. Within 5 degrees of the equator, tropical cyclogenesis is uncommon despite the presence of sufficiently warm sea surface temperatures
List of tropical cyclones near the Equator
List_of_tropical_cyclones_near_the_Equator
North American low-pressure area
systems, including severe weather. Spring and early summer Colorado low cyclogenesis can result in significant tornado outbreaks over the Great Plains and
Colorado_low
Meteo France. On 8 August, the MFR noted that in mid-August, tropical cyclogenesis was possible near the equator due to a westerly wind burst expected to
2024–25 South-West Indian Ocean cyclone season
2024–25_South-West_Indian_Ocean_cyclone_season
Type of Pacific seasonal cyclone
types of kona storms: cold-frontal cyclogenesis cyclones (CFCs), trade wind easterlies, and cold-frontal cyclogenesis/trade wind easterlies cyclones. Of
Kona_storm
Moderately sized weather phenomena
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Mesoscale_meteorology
temperatures in the tropics are usually too low to support tropical cyclogenesis. Furthermore, from January to April, the North Pacific High and Aleutian
List of Category 3 Pacific hurricanes
List_of_Category_3_Pacific_hurricanes
Strongest type of extratropical cyclone that occurs over Europe
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
European_windstorm
High air pressure area in the Atlantic Ocean
towards the Caribbean, Central America, or the Bahamas, favouring tropical cyclogenesis, especially during the hurricane season. Research into global warming
Azores_High
Low pressure area weather system common to North America
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Alberta_clipper
Meteorological phenomenon
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Whirlwind
historically describe the period in each year when most subtropical or tropical cyclogenesis occurs in the Atlantic Ocean. This year's first Atlantic named storm
2022 Atlantic hurricane season
2022_Atlantic_hurricane_season
Pacific typhoon in 2013
Tracking generally westward, environmental conditions favored tropical cyclogenesis and the system developed into a tropical depression on the following
Typhoon_Haiyan
Hot, dry and sometimes dust-laden atmospheric layer
phenomenon sometimes cools the ocean and suppresses Atlantic tropical cyclogenesis. The SAL is a subject of ongoing study and research. Its existence was
Saharan_air_layer
Scientist specialising in meteorology
School of Meteorology, where researchers defined the frontal theory and cyclogenesis of mid-latitudes storms. Jacob Bjerknes, son of the former, who attended
Meteorologist
Condition where the Earth's atmosphere is generally considered to be unstable
thunderstorm development, which over warm oceans can lead to tropical cyclogenesis, and turbulence. In dry atmospheres, inferior mirages, dust devils, steam
Atmospheric_instability
Corridor outbreak Cumulonimbus cloud (Cb) Cycloidal marks Cyclonic rotation Cyclogenesis Cyclone – An area of cyclonic low pressure, from the scale of an extratropical
Glossary_of_tornado_terms
and 26 storms, respectively. As is common in El Niño years, tropical cyclogenesis was suppressed in the tropical latitudes, with only two becoming tropical
1997 Atlantic hurricane season
1997_Atlantic_hurricane_season
dates conventionally delimit the period of each year when most tropical cyclogenesis occurs in the Atlantic basin. The first tropical cyclone of the season
1977 Atlantic hurricane season
1977_Atlantic_hurricane_season
Prevailing winds from the west
Graziano, T. M.; Kaplan, M. L.; Rozumalski, R. A. (2005). "Cold-air cyclogenesis along the Gulf-Stream front: Investigation of diabatic impacts on cyclone
Westerlies
Smaller tornado that orbits around a larger parent tornado
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Satellite_tornado
Warm Atlantic Ocean current
Graziano, T. M.; Kaplan, M. L.; Rozumalski, R. A. (2005-03-01). "Cold-air cyclogenesis along the Gulf-Stream front: investigation of diabatic impacts on cyclone
Gulf_Stream
Jetstream over West Africa
is south of its normal location during August and September, tropical cyclogenesis is suppressed. If desertification continues across Sub-Saharan Africa
African_easterly_jet
Collectively, these factors worked to suppress tropical cyclogenesis. Tropical cyclogenesis began in early June, with the development of Tropical Storm
2013 Atlantic hurricane season
2013_Atlantic_hurricane_season
city in the form of frontal systems during winter or storms produced by cyclogenesis in autumn and winter. The hot temperatures and high insolation in the
Climate_of_Buenos_Aires
1000-km-order method of measuring weather systems
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Synoptic_scale_meteorology
Type of storm
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Anticyclonic_storm
Simplified approach for understanding fluid motions in a rotating system
is a useful concept for understanding the generation of vorticity in cyclogenesis (the formation and development of a cyclone), especially along the polar
Potential_vorticity
this may be another reason for increased[clarification needed] tropical cyclogenesis in the Bay, as it shares a fair portion of the increased quota of ACE
North Indian Ocean tropical cyclone
North_Indian_Ocean_tropical_cyclone
Date Line), and ending on November 30 in both areas. However, tropical cyclogenesis is possible at any time of the year. The first system, Hurricane Adrian
Timeline of the 1993 Pacific hurricane season
Timeline_of_the_1993_Pacific_hurricane_season
Relative peak or lull in the sea level pressure distribution
troposphere. The formation process of a low-pressure area is known as cyclogenesis. Within the field of atmospheric dynamics, areas of wind divergence aloft
Pressure_system
Type of cyclone occurring in the northern Atlantic coast of North America
nor'easter is a strong extratropical cyclone, often experiencing explosive cyclogenesis. While this formation occurs in many places around the world, nor'easters
Nor'easter
Type of atmospheric trough
portal Cape Verde hurricane Hovmöller diagram Tropical cyclone Tropical cyclogenesis "Tropical Definitions". National Weather Service. NOAA. Retrieved December
Tropical_wave
Warning Centres (TCWCs): the BOM in Perth, Darwin, and Brisbane. Tropical cyclogenesis in the season began when an unnamed tropical cyclone developed well west
1978–79 Australian region cyclone season
1978–79_Australian_region_cyclone_season
Jesuit priest (1837–1893)
Prior to the 1870s, little research had been conducted on tropical cyclogenesis beyond the works of James Pollard Espy, William Charles Redfield, and
Benito_Viñes
Small-scale rotational weather feature
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Mesovortex
its central pressure, windspeed, category on the Saffir–Simpson scale, cyclogenesis outside of a normal hurricane season's timeframe, or storms that remain
List of Pacific hurricane records
List_of_Pacific_hurricane_records
Pacific typhoon season was a below average yearlong period of tropical cyclogenesis exhibiting the development of 45 tropical depressions, of which 21 became
2003_Pacific_typhoon_season
East Pacific and Atlantic tropical storms in 2020
was designated as Tropical Depression Two-E after finishing tropical cyclogenesis. Originally expected not to strengthen significantly, the storm nevertheless
Tropical storms Amanda and Cristobal
Tropical_storms_Amanda_and_Cristobal
Category 1 Atlantic hurricane in 2024
coast of West Africa on October 10. The wave did not undergo tropical cyclogenesis until October 19, due to adverse atmospheric conditions. Oscar immediately
Hurricane_Oscar_(2024)
Type of extratropical cyclone
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Pacific_Northwest_windstorm
2012 Extratropical cyclone in Arctic
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Great_Arctic_Cyclone_of_2012
Type of whirlwind
High-pressure area Low-pressure area Rapid intensification Explosive cyclogenesis Central dense overcast Annular tropical cyclone Bar (tropical cyclone)
Dust_devil
Atlantic hurricane season in the ongoing above-average era of tropical cyclogenesis, which began in 1995. Just three of these systems attained hurricane
Tropical_cyclones_in_1997
before the official end of hurricane season on November 30. Tropical cyclogenesis began in June, with three tropical depressions, one of which strengthened
1979 Atlantic hurricane season
1979_Atlantic_hurricane_season
February 2020 extratropical cyclone
Met Office on 11 February – Dennis subsequently underwent explosive cyclogenesis on 13 February, reaching its near-record low pressure south of Iceland
Storm_Dennis
the Atlantic basin and are adopted by convention. However, tropical cyclogenesis is possible at any time of the year, as demonstrated by the formation
2019 Atlantic hurricane season
2019_Atlantic_hurricane_season
Trough in the upper-level tropics
a significant vertical wind shear to the tropics and subdue tropical cyclogenesis. When upper cold lows break off from their base, they tend to retrograde
Tropical upper tropospheric trough
Tropical_upper_tropospheric_trough
Hurricane-like storms in the Mediterranean Sea
application. A majority of Mediterranean tropical cyclones (tropical cyclogenesis) form over two separate regions. The first, more conducive for development
Mediterranean tropical-like cyclone
Mediterranean_tropical-like_cyclone
American slang term used to describe a disastrous incident
day, highlighting the Stormy Daniels–Donald Trump scandal, explosive cyclogenesis, and the 2018 NFL draft. Several journalists who responded to the questions
Dumpster_fire
June 23, with the development of an unnamed tropical storm. Tropical cyclogenesis resumed in July with Hurricane Abby between July 10 and July 16, followed
1960 Atlantic hurricane season
1960_Atlantic_hurricane_season
brought cold, moist air from the north. Weather systems were undergoing cyclogenesis from North American storms moving across the Atlantic Ocean to the west
Winter_of_2009–10_in_Europe
Atlantic hurricane season officially ended on November 30, 2015. Tropical cyclogenesis began early, with Ana developing on May 8, over three weeks prior to
2015 Atlantic hurricane season
2015_Atlantic_hurricane_season
west or with the formation of Mediterranean Low [it] or Mediterranean cyclogenesis. Italy is located in southern Europe and it is also considered a part
Climate_of_Italy
Category 4 Atlantic hurricane in 2020
tropical wave moving into the Eastern Caribbean for potential tropical cyclogenesis. As the system moved across the Lesser Antilles, thunderstorm activity
Hurricane_Delta
South-West Indian tropical cyclone in 2013
due to a weakness in the ridge, with conditions favorable for tropical cyclogenesis such as low wind shear and good divergence. On February 18, the Joint
Cyclone_Haruna
Weather phenomenon
separation at low levels and a cold core in the upper troposphere Explosive cyclogenesis is seen on average just once per year, but these storms cause significant
Australian_east_coast_low
Mathematical model of instability in the atmosphere
observed in unstable modes, yielding the positive feedback necessary for cyclogenesis. Low pressure, high vorticity regions are then “stretched”, and high
Eady_model
Pacific tropical storm in 2013
Center (NHC) began to monitor the disturbance for potential tropical cyclogenesis over the next few days. In advance of Sonia, a tropical storm warning
Tropical_Storm_Sonia_(2013)
for tropical cyclogenesis. All named storms developed in regions with ocean temperatures exceeding 80 °F (27 °C). Tropical cyclogenesis began in June
1974 Atlantic hurricane season
1974_Atlantic_hurricane_season
described the period in each year when most subtropical or tropical cyclogenesis occurs in the Atlantic Ocean. The first system, Tropical Storm Alberto
2024 Atlantic hurricane season
2024_Atlantic_hurricane_season
2022 windstorm over northwestern Europe
Ireland tweeted that the rapid pressure drop during cyclogenesis met the criteria for explosive cyclogenesis. The storm also developed a sting jet similarly
Storm_Eunice
Storm which affected the United States
dropping temperatures in its wake across the southeast United States. Cyclogenesis spurred a developing surface cyclone which quickly occluded on November
November_2006_nor'easter
Historically strong winter storm across central and eastern USA in 1978
system, which had moved over Alabama and Georgia, to undergo explosive cyclogenesis and move rapidly northward towards West Virginia during the evening of
Great_Blizzard_of_1978
Extratropical storm over north India
warmer air with high moisture. This generates favorable conditions for cyclogenesis in the upper atmosphere, which promotes the formation of an eastward-moving
Western_disturbance
Pacific typhoon in 2021
a well-established outflow, which was conducive for further tropical cyclogenesis. Showers and thunderstorms continued to emerge around the circulation
Typhoon_Surigae
October 2021 European windstorm in Europe
According to AEMET, the storm formed from the process of "Mediterranean cyclogenesis" from a trough that crossed through the Mediterranean Sea from the Atlantic
Storm_Blas
started on June 1 and officially ended on November 30. However, tropical cyclogenesis is possible at any time of the year, as demonstrated by formation in
1992 Atlantic hurricane season
1992_Atlantic_hurricane_season
Category 4 Atlantic hurricane in 1957
wave off the western coast of Africa on September 2, a type of tropical cyclogenesis typical of Cape Verde-type hurricanes. Moving to the west, the storm
Hurricane_Carrie
tropical storm the day after. Olive quickly intensified following tropical cyclogenesis, becoming a typhoon by 12:00 UTC on April 27. Late on April 28, a reconnaissance
1963_Pacific_typhoon_season
Atlantic tropical storm
western Caribbean Sea, resulting in an increasing probability of tropical cyclogenesis within 48 hours. Despite land interaction with the Yucatán Peninsula
Tropical_Storm_Colin_(2016)
Elongated region of low atmospheric pressure
compression of sinking air on the lee side of a mountain range, or through cyclogenesis resulting from "the horizontal convergence associated with vertical stretching
Trough_(meteorology)
Water temperature close to the ocean's surface
is important. While sea surface temperature is important for tropical cyclogenesis, it is also important in determining the formation of sea fog and sea
Sea_surface_temperature
North Indian Ocean cyclone
Although the environment remained moderately unfavorable for tropical cyclogenesis, the disturbance organized, developing fair outflow, a strong rainband
1999_Odisha_cyclone
Region of Asia
monsoons and the amount of tropical cyclones in the three core areas of cyclogenesis (the Bay of Bengal, north Pacific Ocean and South China Sea). Stressors
Tropical_Asia
Pacific typhoon in 1978
1978, the near-equatorial trough steadily tracked northwards, making cyclogenesis more likely to occur. On 12:00 UTC on April 11, the Joint Typhoon Warning
Typhoon_Olive_(1978)
European windstorm in 2023
with the Met Office stating that Storm Ciarán was undergoing explosive cyclogenesis. The storm would impact the Netherlands on 2 November. The storm especially
Storm_Ciarán
most of the precipitation occurs from frontal systems associated with cyclogenesis and strong southeasterly winds (sudestada), which bring long periods
Climatic_regions_of_Argentina
when tropical cyclogenesis usually occurs in the Northern Pacific basin, east of the International Date Line. However, Tropical cyclogenesis is possible
1900s Pacific hurricane seasons
1900s_Pacific_hurricane_seasons
CYCLOGENESIS
CYCLOGENESIS
CYCLOGENESIS
CYCLOGENESIS
Boy/Male
Arabic, Muslim
Education; Instruction
Boy/Male
Hindu, Indian, Tamil
Name of Lord Shiva; Shivasannidi
Girl/Female
Indian
Light of the Moon
Boy/Male
Sikh
Absorbed in gods name
Girl/Female
Indian, Marathi
Energetic; Gifted; Brilliant
Girl/Female
Hindu, Indian, Kannada, Marathi, Sindhi
Beautiful Princess
Girl/Female
Hindu
Is associated to God Murugan
Girl/Female
Indian
Female
Scottish
Pet form of Scottish Gaelic Annag, NANDAG means "favor; grace."
Girl/Female
Tamil
Geethika | கீதீகாÂ
A little song, A small song
CYCLOGENESIS
CYCLOGENESIS
CYCLOGENESIS
CYCLOGENESIS
CYCLOGENESIS