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Commercial Checkride > Weather > Flashcards

Weather Flashcards

1
Q

TAF stands for

A

Terminal aerodrome forecast

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2
Q

TAF reporting periods and area

A

4 times a day every 6hrs5sm radius from center of runway complexValid for 30hrs

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3
Q

FA stands for

A

Area Forecast

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4
Q

FA reporting periods and location

A

3 times a day every 8hrsgood for 12hrs for clouds/weather and outlook for an additional 6hrsseveral states

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5
Q

Winds aloft forecast every

A

4hrs

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6
Q

WA-no wind indication means

A

if airport is within 1500 of altitude

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7
Q

WA-No temp indication means

A

elevation is within 2500 of station

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8
Q

WA- 9900 means

A

Winds variable

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9
Q

WA-negative not indicated on altitudes

A

24000 and above

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10
Q

WA- 100-199knts wind indicated

A

subtract 50 from direction and add 100 to speed

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11
Q

Airmet issued for..Types.

A

Weather dangerous to light/limited aircraft

Sierra-ifr and mountain obstruction

Tango-moderate turbulence sustained wind surface at 30 or more and nonconvective low level windshear

Zulu-Moderate icing and freezing levels

scheduled 4 times a day every 6hrs and unscheduled as neccessary valid for 6hrs

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12
Q

SIGMET issued for..

A

weather potentially dangerous to all airmen and aircraft

severe or greater turbulence, clear air turbulence, sever icing, wide spread dust or san storm, volcanic ash

unscheduled but valid for 4 hrs

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13
Q

Convective SIGMET for..

A

-thunderstorms, severe or greater turbulence , severe icing, low level wind shear, tornadoes and large hail which is 3/4 or greater at surface and winds greater than 50 at the surface, heavy precipitation

issued hourly and good for 2hrs

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14
Q

Surface Prognostic Charts issued periods

A

Current and is issued 8times a day

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15
Q

Milibars Standard is

A

1013.2mb

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16
Q

ATIS stands for..issued periods

A

Automated Terminal Information System1hour

17
Q

ASOS stands for..issued periods

A

Automated Surface Observing SystemMinute by minute

18
Q

AWOS stands for..issued periods

A

Automated Weather Observing SystemMinute by minute

19
Q

Winds flow from..

A

High to Low

20
Q

High pressure flow..

A

down and to the right

21
Q

Low pressure flow..

A

up and to the left

22
Q

Coriolis Force deflects air to the.. in the northern hemisphere.

A

right

23
Q

Microburst is..

A

most common in thunderstorm.is a severe downdraft up to 6000fpm and most severe low level wind shear type

24
Q

3 stages of thunderstorms

A

-cumulous-mature-dissapating

25
Q

To form a thunderstorm needs..

A

-lifting action-high humidity-unstable

26
Q

Cloud Categories-low-medium-high-clouds with extensive vertical developement

A
  • stratus sfc-6500agl
  • alto-6500 to 20000agl
  • sirius-above 20000agl
  • towering cumulous,cumulonibus-
27
Q

Avoid thunderstorms by..

A

20nm

28
Q

Fog is..

A

cloud within 50ft of surface and happens when temp and dew point are rather close

29
Q

METAR stands for and issued

A

Aviation routine weather report every hour

30
Q

FOG types:RAIS UP

A

-radiation-advection-ice-steam-upslope -precipitation

31
Q

Define TIBS

A

Telephone Information Briefing Service

32
Q

Define DUATS

A

Direct User Access Terminal System

33
Q

Define EFAS

A

Enroute Flight Advisory Service

34
Q

What information is included in a weather briefing?

A
  • adverse weather conditions
  • vfr not recommended
  • synopsis
  • current conditions
  • enroute forecast
  • destination forecast
  • winds aloft
  • notams
  • atc delays
35
Q

Define HIWAS

A

Hazardous In-flight Weather Advisory Service

36
Q

Required to make a pirep

A
  • message type(urgent, routine)
  • location
  • time
  • flight level
  • type of aircraft
  • atleast one weather element
37
Q

Types of TAF

A
  • Routine
  • Amended
  • Corrected
38
Q

Types of notams

A
  • D
  • FDC
  • Pointer
  • Military

Commercial Checkride (10 decks)

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