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CLIMATOLOGY GEOGRAPHY > PRESSURE SYSTEM AND WIND SYSTEM > Flashcards

PRESSURE SYSTEM AND WIND SYSTEM Flashcards

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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
Q

RISING AIR

A

CYCLONIC CONDITION

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26
Q

SINKING AIR

A

ANTICYCLONIC CONDITION

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27
Q

CYCLONIC CONDITION

A

CONVERGENCE AND UNSTABLE WEATHER

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28
Q

ANTICYCLONIC CONDITION

A

DIVERGENCE AND STABLE WEATHER

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29
Q

CYCLONE

A

LP CENTER

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30
Q

ANTICYCLONE

A

HP CENTER

31
Q

CYCLONE IN NH

A

ANTICLOCKWISE

32
Q

CYCLONE IN SH

A

CLOCKWISE

33
Q

ANTICYCLONE IN NH

A

CLOCKWISE

34
Q

ANTICYCLONE IN SH

A

ANTICLOCKWISE

35
Q

FARRELL LAW

A

RIGHT IN NH

36
Q

NH WIND

A

RIGHT

37
Q

SH WIND

A

LEFT

38
Q

WIND VELOCITY AND CORIOLIS FORCE

A

DIRECTLY PROPOTIONAL

39
Q

CORIALIS FORCE AND LATITUDE

A

DIRECTLY PROPORTIONAL

40
Q

CORIOLIS FORCE @0 DEG

A

O

41
Q

CORIOLIS FORCE @90 DEG

A

MAX

42
Q

CORIOLIS FORCE ONLY

A

MOVING AIR(WIND)

43
Q

CORIOLIS EFFECT

A

APPARENT DEFLECCTION OF OBJECT IN STRAIGHT PATH RELATICVE TO EATH SURFACE

44
Q

EARTH ROTATION DIRECTION

A

ANTICLOCKWISE

45
Q

MAXIMUM EARTH SPEED

A

EQUATOR

46
Q

MINIMUM EARTH SPEED

A

POLES

47
Q

VELOCITY AND CORIOLIS FORCE

A

DIRECTLY PROPORTIONAL

48
Q

CONDITION FOR GEOSTROPHIC WIND

A

STRAIGHT ISOBARS
NO FRICTION

49
Q

STRAIGHT ISOBAR
NO FRICTION====>

A

PRESSURE GRADIENT FORCE BALANCE BY CORIOLIS FORCE AND RESULTANT WIND BLOWS PARALLEL TO ISOBARS

50
Q

GEOSTROPIC WINDS

A

PRESSURE GRADIENT FORCE BALANCE BY CORIOLIS FORCE AND RESULTANT WIND BLOWS PARALLEL TO ISOBARS

51
Q

CENTRIPETAL ACCELERATION ACTS

A

ONLY CIRCULATING AIR

52
Q

CENTRIPETAL ACCELERATION

A

INWARD AND RIGHT ANGLES TO WIND MOVEMENT

53
Q

VORTEX

A

CIRCULAR PATTERN OF FLOW

54
Q

CIRCULAR FLOW CREATED BY

A

CENTRIPETAL ACCELERATION

55
Q

CENTRIPETAL ACCELERATION PRODUCES

A

CIRCULAR FLOW

56
Q

NO TROPICAL CYCLONES AT EQUATOR

A

ZERO CORIOLIS FORCE

57
Q

PRESSURE BELTS

A

EQUATORIAL LOW
SUB TROPIICAL HIGH
SUBPOLAR LOW
POLAR HIGH

58
Q

NATURE OF PRESSURE BELT

A

NOT PERMANENT

59
Q

PB IN SUMMER

A

MOVE NOTHards

60
Q

PB IN WINTER

A

SOUTHWARDS

61
Q

ELPB/

A

DOLDRUM

62
Q

ELPB LAT

A

10-10 NS

63
Q

ZONE OF CONVERGENCE OF TRADE WINDS=

A

INTER TROPICAL CONVERGENCE ZONE

64
Q

INTER TROPICAL CONVERGENCE ZONE=

A

ZONE OF CONVERGENCE OF TRADE WINDS=

65
Q

DOLDRUM=

A

EXTREMELY CALM AIR MMOVEMENT

66
Q

EXTREMELY CALM AIR MMOVEMENT

A

DOLDRUM

67
Q

ELPB FEATURE

A

CLOUDS AND THUNDERSTORMS

68
Q

ELPB FORMED BY

A

THERMAL EFFECT

69
Q

ELPB WINDS

A

ONLY VERTICAL CURRENTS
NO SURFACE WINDS

70
Q

WHY DOLDRUM CALM

A

NO SURFACE WIND

71
Q

EXTREMELY LP YET

A

CALM WEATHER CONDITION

72
Q

EQUATORIAL RF

A

CONVENTIONAL

73
Q

EQUATORIAL CLOUDS

A

CUMULONIMBUS THUNDERSTORMS

74
Q

NEGLIGIBLE CORIOLIS FORCE

A

NO CYCLONE

CLIMATOLOGY GEOGRAPHY (26 decks)

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