Wind Flashcards

1
Q

Pressure Gradient Force

A

Air will flow from high to low

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2
Q

Gardient wind

A

Wind caused by pressure gradient force. Slower around low, faster around high

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3
Q

Geostrophic force (coriolis)

A

caused by rotation of earth. Makes air move right in the northern hemisphere

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4
Q

Gestrophic wind

A

Wind whihch is blown as a result of balance between geostrophic force and pressure gradient force. Blows along isobars

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5
Q

Veering

A

Increase in wind direction

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6
Q

Backing

A

decrease in wind direction

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7
Q

Wind below 2000ft

A

Slower, backing

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8
Q

Wind below 2000ft backing amount

A

Day: -20, night: -40

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9
Q

Buys Ballot Law

A

if you stand with your back to the wind in the northern hempisphjere, low pressure is on your left

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10
Q

Katabatic wind

A

Movement of cold air desceding from mountians by night

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11
Q

Anabatic wind

A

movement of air ascending a mountain by day

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12
Q

Funnel Wind

A

wind blowing in brtween mountains through the valley

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13
Q

Fohn wind

A

Warm decseding air down the leeward side of the mountain

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14
Q

Standing wave or mountain wave creation conditins

A
  • Obstruction or barrier, like mountaiin
  • Strong wind blowing at right angles
  • Wind speed more than 20kt
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15
Q

Windshear

A

Variation of wind speed and/or direction from place to place.

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