Results 191 to 200 of about 2,392 (236)

Relating winds along the Southern Brazilian coast to extratropical cyclones

Meteorological Applications, 2011
Intense wind events at the southern Brazilian coast cause severe socio-economic losses. Generally, such events have been associated with extratropical cyclones over the Southwest Atlantic Ocean. The purpose of this study is to identify favoured locations
Daniel Pires Bitencourt, Otávio C Acevedo   +1 more
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Martian extratropical cyclones

Nature, 1979
Physical properties of summer-season baroclinic waves on Mars are discussed on the basis of vidicon images and infrared thermal mapping generated by Viking Orbiter 1. The two northern-hemisphere storm systems examined here appear to be similar to terrestrial mid-latitude cyclonic storms.
GARRY E. HUNT, PHILIP B. JAMES
openaire   +1 more source

Australia’s Future Extratropical Cyclones

Journal of Climate, 2022
Abstract Extratropical cyclones are responsible for the majority of total and extreme rainfall in many regions of the extratropics, including in southern Australia. Using an ensemble of projections from 12 regional climate models, we show that both the number of cyclone days and total cyclone-related rainfall are projected to decline across southern ...
Acacia S. Pepler, Andrew J. Dowdy
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On the development of extratropical cyclones

Quarterly Journal of the Royal Meteorological Society, 1971
AbstractCertain synoptic aspects of cyclone development in the lower troposphere are reviewed and two types identified. Type A comprises the well‐known amplifying frontal wave, which is known to produce kinetic energy through a reduction of the baroclinicity within its own domain.
S. Petterssen, S. J. Smebye
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Mesoscale Rainbands in Extratropical Cyclones

Monthly Weather Review, 1976
Abstract Mesoscale rainbands (5–50 km in average width and hundreds of kilometers in length) have been found in eleven extratropical cyclones. Six types of rainbands have been identified (warm frontal, warm sector, cold frontal–wide, cold frontal–narrow, wave-like, post-frontal).
Robert A. Houze, Peter V. Hobbs, Kumud R. Biswas, William M. Davis   +3 more
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A climatology of Southern Hemisphere extratropical cyclones

Climate Dynamics, 1993
A climatology of extratropical cyclones determined by an objective automatic scheme applied to 15 years (1975–89) of once-daily Australian Bureau of Meteorology hemispheric analyses is presented. Contour maps of the positions of formation (cyclogenesis), dissipation (cyclolysis) together with other cyclone statistics are presented.
David A Jones, Ian Simmonds
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Theory of Extratropical Cyclones

1990
There is no unique framework for understanding the growth and decay of extratropical cyclones. A number of useful approaches have been pursued in the huge body of literature on the subject during the past fifty years; these are reviewed also by Reed in Chapter 3 of this volume. Studies of the energetics or angular momentum budgets for a box surrounding
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Extratropical cyclones An historical perspective

2002
Abstract The history of ideas concerning extratropical cyclones has been intimately intertwined with that of meteorology itself. In this chapter, aspects of this history will be brought out with particular reference to the points in that history where the thinking has been influenced by, and has influenced, fundamental mathematics and physics.
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The Extratropical Transition of Tropical Cyclones

2003
Abstract : To improve tropical cyclone structure and intensity prediction through a research program combining high-resolution modeling and detailed observational studies to investigate physical processes by which the structure and intensity of a tropical cyclone are modified.
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On the relation of the number of extratropical cyclones to their sizes

Izvestiya, Atmospheric and Oceanic Physics, 2008
Extratropical cyclones were identified on the basis of sea level pressure NCEP/NCAR reanalysis data for the Northern Hemisphere from 1948 to 2004. Cyclone positions were determined with a time interval of 6 h. Cyclone sizes were obtained with the use of a numerical scheme based on a rotation of the spherical coordinate system such that the pole of the ...
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