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downdraft    音标拼音: [d'ɑʊndr,æft]

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  • Updraft and downdraft | Air Movement, Atmospheric Pressure Wind . . .
    In a mature storm, updrafts are present alongside downdrafts caused by cooling and by falling precipitation These downdrafts, originating at high levels, contain cold, dense air that spreads out at the ground as a cold air wedge
  • DOWNDRAFT Definition Meaning - Merriam-Webster
    The meaning of DOWNDRAFT is a downward current of gas (such as air during a thunderstorm) How to use downdraft in a sentence
  • Vertical draft - Wikipedia
    Vertical drafts, known as updrafts or downdrafts, are localized regions of warm or cool air that move vertically A mass of warm air will typically be less dense than the surrounding region, and so will rise until it reaches air that is either warmer or less dense than itself
  • What Is a Downdraft Range or Cooktop? | KitchenAid
    Downdraft ranges and cooktops use a built-in ventilation system that pulls air across your cooking surface and draws fumes, steam and smoke through a duct system that vents outside your home
  • What is a Downdraft Storm? Understanding Its Causes and Effects
    A downdraft is a downward-moving current of air within a thunderstorm that can lead to a sudden and powerful blast of wind known as a downburst These events can significantly affect weather patterns and pose risks to both life and property
  • Downdraft - NOAAs National Weather Service - Glossary
    (Abbrev DWNDFT) - A small-scale column of air that rapidly sinks toward the ground, usually accompanied by precipitation as in a shower or thunderstorm A downburst is the result of a strong downdraft Forward Flank Downdraft
  • Updrafts and Downdrafts - NASA
    We define an updraft to be in the positive direction and a downdraft to be in the negative direction The vertical velocity of the aircraft, relative to the ground, is the vector sum of the vertical airspeed and the wind speed
  • Downdraft - definition of downdraft by The Free Dictionary
    1 A strong downward current of air 2 A downward trend; downturn: The business hit a downdraft
  • Downdraft - Spragues Backhoe
    A downdraft is a strong, downward-moving current of air that occurs during severe weather events, particularly in thunderstorms This phenomenon can cause rapid changes in wind speed and direction, posing risks to structures, vehicles, and individuals in its path
  • downdraft noun - Definition, pictures, pronunciation and usage notes . . .
    Definition of downdraft noun in Oxford Advanced American Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more





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