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On the theory of the East African Low Level Jet Stream
pure and applied geophysics, 1977Several theoretical models for the East African Low Level Jet Stream are described. They all share the notion that the northward advection of planetary vorticity across the equator, coupled with the presence of a north—south mountain barrier, leads to the formation of a low-level western boundary current (akin to the Gulf-Stream) along the equatorial ...
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On the Formation of the Low-Level Jet over Texas
Monthly Weather Review, 1980Abstract The low-level jet (LLJ) in the winter half-year originates as a south wind over the high plains of Colorado. Kansas, western Oklahoma and West Texas. After formation, the LLJ spreads horizontally and upstream toward the Gulf of Mexico. The air in the LLJ becomes humid when the entrance to the jet moves to the Gulf.
Dus̆an Djurić, Michel S. Damiani
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A nocturnal low level jet during PUKK
Boundary-Layer Meteorology, 1985A nocturnal low-level jet characterized by a distinct inertial oscillation lasting from around sunset until sunrise the next day was observed during the coastal experiment PUKK. The phenomenon appeared over an area of at least 40 km in diameter; it thus had a mesoscale extension.
Helmut Kraus +2 more
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The Intra‐Americas Sea Low‐level Jet
Annals of the New York Academy of Sciences, 2008A relevant climate feature of the Intra‐Americas Sea (IAS) is the low‐level jet (IALLJ) dominating the IAS circulation, both in summer and winter; and yet it is practically unknown with regard to its nature, structure, interactions with mid‐latitude and tropical phenomena, and its role in regional weather and climate.
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The dynamic mechanism of the formation of the low level jet
Advances in Atmospheric Sciences, 1990The ordinary multidimensional reductive perturbation method is generalized so as to apply to the general case including the dissipative factor. With this the corresponding Cubic-Schrodinger equation is deduced, and by the preliminary study of its solution, it shows that it is more admissible to consider atmospheric meso-scale systems as the nonlinear ...
Dasheng Yang, Maoqiu Jian
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Raptor responses to low-level jet aircraft and sonic booms
Environmental Pollution, 1991We estimated effects of low-level military jet aircraft and mid- to high-altitude sonic booms (actual and simulated) on nesting peregrine falcons (Falco peregrinus) and seven other raptors by observing their responses to test stimuli, determining nesting success for the test year, and evaluating site reoccupancy rates for the year following the tests ...
D H, Ellis, C H, Ellis, D P, Mindell
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The Low-Level Jet as a Western Boundary Current
Monthly Weather Review, 1976Abstract The low-level jet which flows across the equator and up the Somali coast is considered as a western boundary current of the East African mountain chain. The jet is assumed to be forced by the low-level divergence in the subtropical high pressure belt of the Southern Hemisphere and convergence in the monsoon trough.
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Journal of the Atmospheric Sciences, 1985
A numerical study was performed of a severe weather event (tornado) which occurred on May 10, 1973 in the Ohio region. The situation was modeled with a primitive equation mesoscale dynamic formulation. Account was taken of precipitation, the planetary boundary layer parameters as bulk quantities, the vertical pressure gradient, and lateral boundary ...
Keith F. Brill +4 more
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A numerical study was performed of a severe weather event (tornado) which occurred on May 10, 1973 in the Ohio region. The situation was modeled with a primitive equation mesoscale dynamic formulation. Account was taken of precipitation, the planetary boundary layer parameters as bulk quantities, the vertical pressure gradient, and lateral boundary ...
Keith F. Brill +4 more
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Importance of Low-Level Jets to Climate: A Review
Journal of Climate, 1996Abstract Low-level jets (LLJs) occur frequently in many parts of the world. These low-level wind speed maxima are important for both the horizontal and vertical fluxes of temperature and moisture and have been found to be associated with the development and evolution of deep convection.
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