PRESSURE SYSTEM AND WIND SYSTEM Flashcards

1
Q

ATM P

A

WEIGHT OF COLUMN OF AIR IN UNIT AREA

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2
Q

ATM P @ SEA LEVEL

A

1034 GRAM PER SQ CM

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3
Q

INTERNATIONAL UNIT

A

ATM

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4
Q

ATM

A

ATMOSPHERE

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5
Q

METEROLOGICAL UNIT

A

mb & Pa

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6
Q

mb & Pa

A

MILLIBARS AND PASCAL

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7
Q

NORMAL PRESSURE AT SEA LEVEL

A

1013.25 MILLIBARS

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8
Q

1 atm=

A

1013.25 millibars

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9
Q

1013.25 millibars

A

101325 pascals

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10
Q

heated air

A

LP

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11
Q

COOLED NAIR

A

HIGH PRESSURE SYSTEM

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12
Q

WINTER CONTINENT

A

HP

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13
Q

SUMMER CONTINENT

A

LP

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14
Q

EQUAL PRESSURE LINES

A

ISOBARS

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15
Q

PRESSURE GRADIENT

A

RATE OF PRESSURE CHANGE

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16
Q

CLOSED SPACING ISOBARS

A

STRONG PRESSURE GRADIENT

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17
Q

WIDE SPACING ISOBARS

A

WEAK PRESSURE GRADIENT

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18
Q

PRESSURE GRADIENT IS

A

DECREASE IN PRESSURE PER UNIT AREA

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19
Q

CLOSED ISOBARS

A

ENCLOSED BY ISOBARS

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20
Q

NO STRONG UPWARD WINDS BCZ

A

GRAVITATIONAL FORCE

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21
Q

WIND

A

HORIZONTAL MOVEMENT OF AIR

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22
Q

CURRENTS

A

VERTICAL MOVEMENT OF AIR

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23
Q

WIND MOVEMENT FACTORS PBFCGC

A

PRESSURE GRADIENT FORCE
BUOUANT FORCE
FRICTION FORCE
CORIALIS FORCE
GRAVITATIONAL FORCE
CENTRIPETAL ACCELERATION

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24
Q

GREATER THE PRESSURE DIFFERENCE

A

GREATER THE WIND SPEED

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25
RISING AIR
CYCLONIC CONDITION
26
SINKING AIR
ANTICYCLONIC CONDITION
27
CYCLONIC CONDITION
CONVERGENCE AND UNSTABLE WEATHER
28
ANTICYCLONIC CONDITION
DIVERGENCE AND STABLE WEATHER
29
CYCLONE
LP CENTER
30
ANTICYCLONE
HP CENTER
31
CYCLONE IN NH
ANTICLOCKWISE
32
CYCLONE IN SH
CLOCKWISE
33
ANTICYCLONE IN NH
CLOCKWISE
34
ANTICYCLONE IN SH
ANTICLOCKWISE
35
FARRELL LAW
RIGHT IN NH
36
NH WIND
RIGHT
37
SH WIND
LEFT
38
WIND VELOCITY AND CORIOLIS FORCE
DIRECTLY PROPOTIONAL
39
CORIALIS FORCE AND LATITUDE
DIRECTLY PROPORTIONAL
40
CORIOLIS FORCE @0 DEG
O
41
CORIOLIS FORCE @90 DEG
MAX
42
CORIOLIS FORCE ONLY
MOVING AIR(WIND)
43
CORIOLIS EFFECT
APPARENT DEFLECCTION OF OBJECT IN STRAIGHT PATH RELATICVE TO EATH SURFACE
44
EARTH ROTATION DIRECTION
ANTICLOCKWISE
45
MAXIMUM EARTH SPEED
EQUATOR
46
MINIMUM EARTH SPEED
POLES
47
VELOCITY AND CORIOLIS FORCE
DIRECTLY PROPORTIONAL
48
CONDITION FOR GEOSTROPHIC WIND
STRAIGHT ISOBARS NO FRICTION
49
STRAIGHT ISOBAR NO FRICTION====>
PRESSURE GRADIENT FORCE BALANCE BY CORIOLIS FORCE AND RESULTANT WIND BLOWS PARALLEL TO ISOBARS
50
GEOSTROPIC WINDS
PRESSURE GRADIENT FORCE BALANCE BY CORIOLIS FORCE AND RESULTANT WIND BLOWS PARALLEL TO ISOBARS
51
CENTRIPETAL ACCELERATION ACTS
ONLY CIRCULATING AIR
52
CENTRIPETAL ACCELERATION
INWARD AND RIGHT ANGLES TO WIND MOVEMENT
53
VORTEX
CIRCULAR PATTERN OF FLOW
54
CIRCULAR FLOW CREATED BY
CENTRIPETAL ACCELERATION
55
CENTRIPETAL ACCELERATION PRODUCES
CIRCULAR FLOW
56
NO TROPICAL CYCLONES AT EQUATOR
ZERO CORIOLIS FORCE
57
PRESSURE BELTS
EQUATORIAL LOW SUB TROPIICAL HIGH SUBPOLAR LOW POLAR HIGH
58
NATURE OF PRESSURE BELT
NOT PERMANENT
59
PB IN SUMMER
MOVE NOTHards
60
PB IN WINTER
SOUTHWARDS
61
ELPB/
DOLDRUM
62
ELPB LAT
10-10 NS
63
ZONE OF CONVERGENCE OF TRADE WINDS=
INTER TROPICAL CONVERGENCE ZONE
64
INTER TROPICAL CONVERGENCE ZONE=
ZONE OF CONVERGENCE OF TRADE WINDS=
65
DOLDRUM=
EXTREMELY CALM AIR MMOVEMENT
66
EXTREMELY CALM AIR MMOVEMENT
DOLDRUM
67
ELPB FEATURE
CLOUDS AND THUNDERSTORMS
68
ELPB FORMED BY
THERMAL EFFECT
69
ELPB WINDS
ONLY VERTICAL CURRENTS NO SURFACE WINDS
70
WHY DOLDRUM CALM
NO SURFACE WIND
71
EXTREMELY LP YET
CALM WEATHER CONDITION
72
EQUATORIAL RF
CONVENTIONAL
73
EQUATORIAL CLOUDS
CUMULONIMBUS THUNDERSTORMS
74
NEGLIGIBLE CORIOLIS FORCE
NO CYCLONE