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Meteorology > Meterorological Observation > Flashcards

Meterorological Observation Flashcards

1
Q

What does a ground based weather radar measure?

A

Water droplets.

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2
Q

What precipitation has a high reflection rating?

A

Hail.

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3
Q

What precipitation has a high reflection rating?

A

Hail.

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4
Q

Whats a squall line a line of?

A

Thunderstorms.

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5
Q

What is a blind alley?

A

Hidden weather behind other weather on radar.

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6
Q

What does a storm scope detect?

A

Lightening detector.

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7
Q

What is the pro and con of a geostationary orbit?

A

Large area but bad resolution.

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8
Q

Whats the pro and con of a polar orbiting environmental satellite?

A

High resolution but small area.

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9
Q

What is the con of using visible satellite orbits?

A

Cannot use it in the night time.

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10
Q

In what pressure system is haze created?

A

High pressure.

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11
Q

A ridge is an area of high pressure, with what type of weather?

A

Calm weather.

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12
Q

A temperature inversion indicates a state of the atmosphere which is blank stable

A

Absaloutley.

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13
Q

A temperature inversion indicates a state of the atmosphere which is blank stable.

A

Absolutely.

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14
Q

One major advantage of the gridded forecasts is Data can be relayed by aircraft or pilot reports by being merged to onboard blank processing systems.

A

Information

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15
Q

SEV MTW (Severe Mountain Waves - meaning downdrafts of blank ft/min or more)

A

600.

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16
Q

What advantage do gridded forecasts offer over traditional forecast?

A

Visualise flight hazrds.

17
Q

What is included in the runway state message?

  1. Separator.
  2. Runway.
  3. Type of deposit.
  4. Braking action.
  5. Contamination.
  6. Depth.
A

1 3 4 5

18
Q

How does ATIS broadcasts differ from VOLMET? The wind directions are given in blank and they may contain blank information in addition to weather information.

A

Magnetic and aerodrome.

19
Q

Who produces the gridded area forecast?

A

World area forecast centres.

20
Q

Who creates sigmet forecasts?

A

Meterological watch offices.

21
Q

Which statements are correct about the state of runway section on a METAR?

(1) Runway designator
(2) Aerodrome designator
(3) Extent of contamination
(4) Depth of deposit
(5) Friction coefficient
(6) Trend information regarding depth of deposits

A

1 3 4 5

22
Q

Gusts” refer to a change of wind velocity above a prevailing strength within a blank minute time limit.

A

1

23
Q

The station pressure used in surface weather charts is called what?

A

QFF

Meteorology (23 decks)

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