Instrument ratine Oral 3123 cards

Tagged as: biology, geography, anatomy, music

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1

What information does a radar summary chart give us?

Displays areas of precipitation as well as information about type, intensity, configuration, coverage, echo top, and cell movement of precipitation.

2

When doe s the radar summary come out?

35 minutes past each hour




6

What is a significant weather prognostic chart?

pressure, fronts, and precipitation


8

What is a Sigmet?

Severe icing not associated with thunderstorms, severe or extreme turbulence, dust storms or sand storms, volcanic ash,


10

What is an airmet?

describes conditions affecting general pilots

11

What are the three different types of airmets?

Zulu- moderate icing and freezing level heights Tango- moderate turbulence and sustained surface winds of 30 Knots or greater Sierra- IFR and/or mountain obscuration


13

What does a convective sigmet consist of?

T-urbulance severe is greater I-cing severe or greater L-ine of thunderstorms W-inds 50 knots or greater H-ail 3/4 inch or greater E-embedded thunderstorms T-ornados 40-% of 3000 sq. mi area affected

14

How long is a convective sigmet valid?

2 hours and comes out every hour

15

What is a TAF?

terminal aerodrome forecast. Winds, visibility, weather, sky conditions

16

How often does a TAF come out?

4 times a day valid for 24 hours

17

What area does a TAF cover?

5 statue mile radius from the center of the airports runway complex

18

TAF: what does FM mean?

rapid and significant change occurring in less than an hour

19

TAF: what does BECMG mean?

gradual change in conditions, 2 hours

20

TAF: what does TEMPO mean?

temporary fluctuations expected to last less than half the time period. TEMPO 1216 3sm br


22

What does SPECI mean for a METAR?

aviation selected special weather report

23

What is Virga?

precipitation falling from a cloud but evaporating before reaching the ground. Strong downdrafts, down fly under!