updraft


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updraft

A localized upward current of air.
References in periodicals archive ?
Not only is such a storm severe, but the updraft contains strong wind shear and high vertical velocities.
The storm-relative inflow approaches from the northeast, and the primary updraft extends from the boundary layer up to ~6 km with a maximum of ~10 m [s.
In terms of storm structure, a return free region in the storm, called a "vault," indicates a very strong updraft and a region of possible large hail formation.
In contrast to solar cells a solar updraft tower keeps operating in the night as the earth continues to radiate heat enabling the air to flow for a much longer time.
An analysis of a seven-minute period showed that when the ibises flew in a V, they positioned themselves in just the right places to exploit the updraft in another bird's wake, which lets them conserve their energy.
We start our day with analysing the weather charts, we indicate the location and time of cloud accumulating, then we watch the satellite pictures to indicate the location of the beginning of cloud development, then we target the base of the cloud by using the NCMS radar network to indicate the good updraft to start the seeding operation," said Al Musallam.
International Conference on Solar Updraft twoer Power Technology (3rd: 2012: Wuhan, China) Ed.
A survival trajectory will seek updraft areas and avoid downdraft areas, see figure 17.
In August last year, the agency's research team used weather radar to track bugs measuring 1 millimeter or so long which were trapped in an updraft and moved inland from an area facing Tokyo Bay.
The current paper presents data on sandfly abundance in Marigat in three different locations and two lunar phases as well as relative performance of the CDC miniature light trap, updraft blacklight and downdraft blacklight traps.
Hail, for instance, happens when supercooled water freezes on dust particles that are then pushed back into clouds via an updraft, over and over again, accumulating more water, and more size, until they finally crash onto our heads and cars.
His working model of a solar updraft tower uses water storage tanks to solve the problem of existing solar power plants which only generate electricity when the sun shines.