Turbulence

Question 1

Convective thermal turbulence it’s caused by?

Answer 1

The unequal heating of the earths surface

Question 2

Cumulus CU towering cumulus TCU altocumulus Castellanus ACC and cumulonimbus CB are sing of what kind of turbulence

Answer 2

Moderate to severe turbulence

Question 3

Mechanical Turbulence

Answer 3

This is caused by friction between the air and the ground like trees or man made objects like buildings

Question 4

MECH means

Answer 4

Mechanical turbulence

Question 5

Frontal turbulence it’s caused by

Answer 5

The friction that occurs between two opposing air masses

Question 6

Orographic Turbulence it’s caused by ?

Answer 6

Friction in air currents through mountainous regions as air moves up mountains or hills

Question 7

Wind shear:shear turbulence

Answer 7

A change in wind speed and or direction in a short distance

It can exist in a horizontal or vertical direction occasionally both

Question 8

WS on a METAR means?

Answer 8

Wind shear

Question 9

Wind shear low level

Answer 9

Is defined as a significant non-convective wind shear that could affect and aircraft operation within 1500 feet AGL over the Aerodrome

Question 10

LLJ

Answer 10

Low level jet

Question 11

Microburst low level wind shear

Answer 11

Thunderstorms can produce tremendous amount of wind shear

Formed by cold dense air and rain shaft as they rapidly descend

Question 12

Low level wind shear virga

Answer 12

Virga is rain that falls dragging cold dense air

Rain will pass into a drier air below it will evaporate