Meterorological Observation Flashcards
What does a ground based weather radar measure?
Water droplets.
What precipitation has a high reflection rating?
Hail.
What precipitation has a high reflection rating?
Hail.
Whats a squall line a line of?
Thunderstorms.
What is a blind alley?
Hidden weather behind other weather on radar.
What does a storm scope detect?
Lightening detector.
What is the pro and con of a geostationary orbit?
Large area but bad resolution.
Whats the pro and con of a polar orbiting environmental satellite?
High resolution but small area.
What is the con of using visible satellite orbits?
Cannot use it in the night time.
In what pressure system is haze created?
High pressure.
A ridge is an area of high pressure, with what type of weather?
Calm weather.
A temperature inversion indicates a state of the atmosphere which is blank stable
Absaloutley.
A temperature inversion indicates a state of the atmosphere which is blank stable.
Absolutely.
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.
Information
SEV MTW (Severe Mountain Waves - meaning downdrafts of blank ft/min or more)
600.
What advantage do gridded forecasts offer over traditional forecast?
Visualise flight hazrds.
What is included in the runway state message?
- Separator.
- Runway.
- Type of deposit.
- Braking action.
- Contamination.
- Depth.
1 3 4 5
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.
Magnetic and aerodrome.
Who produces the gridded area forecast?
World area forecast centres.
Who creates sigmet forecasts?
Meterological watch offices.
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
1 3 4 5
Gusts” refer to a change of wind velocity above a prevailing strength within a blank minute time limit.
1
The station pressure used in surface weather charts is called what?
QFF
