WIND

Question 1

FORCES EFFECTING WIND

Answer 1

PRESSURE GRADIENT FORCE, CORIOLIS FORCE, AND FRICTION

Question 2

PRESSURE GRADIENT FORCE (PGF)

Answer 2

WIND FLOWS FROM HIGH PRESSURE TO LOW PRESSURE. THE CLOSER THE DIFFERENT PRESSURES (ISOBARS) ARE THE STRONGER THE WINDS

Question 3

CORIOLIS FORCE

Answer 3

EFFECTS WIND AT A RIGHT ANGLE TO THE DIRECTION OF THE WIND AND IS DIRECTLY PROPORTIONAL TO WIND SPEED
LESS EFFECT AT THE EQUATOR AND HIGHER EFFECT AT THE POLES
DEFLECTS RIGHT NORTHERN
DEFLECTS LEFT SOUTHERN

Question 4

FRICTION FORCE

Answer 4

FORCE BETWEEN THE WIND AND THE TERRAIN SLOWS THE WIND

FRICTION FORCE MAGNITUDE IS DIRECTLY PROPORTIONAL TO TERRAIN ROUGHNESS AND WIND SPEED

Question 5

UPPER AIR WIND

Answer 5

OR GEOSTROPHIC WIND, PGF WINDS FLOWS FROM HIGH TO LOW THEN IS DEFLECTED BY CORIOLIS FORCE
WHICH BALANCE EACH OTHER OUT MAKING THE WIND PARALLEL TO CONTOURS

Question 6

SURFACE WIND

Answer 6

FRICTIONAL FORCE SLOWS THE WIND , CORIOLIS FORCE DECREASES CAUSING THE PGF TO ACT AND WIND TO FLOW PERPENDICULAR TO THE ISOBARS