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Republic Airways - Technical > Weather > Flashcards

Weather Flashcards

1
Q

WS020/07040kt

A

Wind shear at 2,000’ 070@40kt

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2
Q

A02

A

Automated station, can distinguish between rain, snow etc.

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3
Q

A01

A

Automated station cannot distinguish between rain, snow etc.

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4
Q

PRESFR

A

Pressure falling rapidly

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5
Q

PRESRR

A

Pressure rising rapidly

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6
Q

SLP095

A

Sea level pressure 1095 millibars

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7
Q

P003

A

Precip in last hour in hundredths of inches

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8
Q

T02110194

A

Temp 21.1

Dew Point 19.4

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9
Q

VV003

A

Vertical visibility 300’ AGL

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10
Q

TCU

A

Towering cumulus present

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11
Q

R06L2000v4000ft

A

Runway 6L has varying visibility 2000’ to 4000’

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12
Q

M0600ft

A

Less than 600’

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13
Q

P6000ft

A

Greater than 6,000’

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14
Q

PR

A

Partial

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15
Q

BC

A

Patches

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16
Q

DR

A

Low drifting

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17
Q

BL

A

Blowing

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18
Q

SG

A

Snow grains

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19
Q

IC

A

Ice crystals

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20
Q

PL

A

Ice pellets

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21
Q

GR

A

Hail >.25”

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22
Q

GS

A

Small hail/snow pellets

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23
Q

BR

A

Mist

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24
Q

FG

A

Fog

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25
Q

FU

A

Smoke

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26
Q

VA

A

Volcanic Ash

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27
Q

DU

28
Q

SA

29
Q

HZ

30
Q

PY

31
Q

UP

A

Unknown precip

32
Q

SS

A

Sand storm

33
Q

DS

A

Dust storm

34
Q

WSHFT45

A

Wind shift 45 minutes past the hour

35
Q

FROPA

A

Frontal passage

36
Q

PK WIND 34050/38

A

Peak wind 340@50 38 minutes past the hour

37
Q

RAB05E30SNB20E55

A

Rain began 5 minutes past the hour and ended 30 min past the hour

Snow began 20 min past the hour and ended 55 min past the hour

38
Q

RAB20SNB20E55

A

Rain began 20 min past the hour snow began 20 min past the hour

Both ended 55 min past the hour

39
Q

PWINO

A

Present weather ident NA

40
Q

FZRANO

A

Freezing rain info NA

41
Q

TSB05E30

A

T storm began 5 after and ended 30 after

42
Q

TSNO

A

T storm info NA

43
Q

OCNL

A

Occasional lightening less than 1 flash per min

44
Q

FRQ

A

Frequent lightning 1-6 flasher per min

45
Q

CONS

A

Continuous lightning more than 6 flashes per min

46
Q

CG (thunderstorm association)

A

Cloud to ground lightning

47
Q

IC (thunderstorm association)

A

In cloud lightning

48
Q

CC (thunderstorm association)

A

Cloud to cloud lightning

49
Q

CA (thunderstorm association)

A

Cloud to air lightning

50
Q

CB W MOV E

A

CB west moving east

51
Q

TCU OHD

A

Towering cumulus overhead

52
Q

Vis 2 RY 11

A

Vis 2 miles at RWY 11

53
Q

Vis 1v2 RY 11

A

Vis variable between 1-2 miles at RWY 11

54
Q

Vis N 2

A

Vis to the north 2 miles

55
Q

Fog occurs when:

A

Air temp near the ground reaches its dew point

Dew point is raised to existing temperature by added moisture to the air

56
Q

Radiation fog

A

Occurs on calm clear nights when ground cools rapidly due to the release of ground radiation

57
Q

Advection fog

A

Warm, moist air moves over a cold surface

58
Q

Ice fog

A

Occurs when temps are much below freezing and water vapor turns directly into ice crystals

59
Q

Upslope fog

A

Moist, stable air is forced up a terrain slope and cooled to its dew point by adiabatic cooling

60
Q

Describe a frontal passage

A

Occurs when a front passes over a point on the surface reflected by a change in temp/dew point, wind speed, and atmospheric pressure

Often accompanied by clouds and precipitation

61
Q

What is the temp above if there are ice pellets on the surface?

A

Freezing rain results from a temperature inversion

Temp above is warmer than temp below

Ice pellets indicate freezing rain above

62
Q

How often are TAFs reported?

A

Issued 4 times daily

00z 06z 12z 18z

63
Q

What does TSIO mean?

A

Turbo supercharged, fuel injected, horizontally opposed piston engine

64
Q

What does a (D) mean next to ATIS?

A

Digital ATIS available

65
Q

What does METAR stand for?

A

Meteorological aerodrome report

66
Q

What does an (R) mean next to approach frequency on plate?

A

Radar available

Republic Airways - Technical (4 decks)

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