050.10 Meteorological Information Flashcards
Symbol 15 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
CBs with little or no separation are described on the Significant Weather Chart as (…).
CBs with little or no separation are described on the Significant Weather Chart as (FREQ CB).
Symbol 6 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
In a METAR, the abbreviation FC means (…).
In a METAR, the abbreviation FC means (Tornados).
In a METAR, the abbreviation PR means (…).
In a METAR, the abbreviation PR means (Partial).
Visibility determined by the observer by means of marks and/or lights at known distances is (…).
Visibility determined by the observer by means of marks and/or lights at known distances is (meteorological visibility).
CBs contained in layer of other clouds are described on the Significant Weather Chart as (…).
CBs contained in layer of other clouds are described on the Significant Weather Chart as (EMBD CB).
In a METAR, the abbreviation IC means (…).
In a METAR, the abbreviation IC means (Ice Crystals).
A hygrometer is used to measure (…).
A hygrometer is used to measure (atmospheric humidity).
NSC in a METAR means (…). There is no cloud below the (lesser/greater) of (…) or (…). Also there are no clouds of operational significance (…) at any height.
NSC in a METAR means (No Significant Cloud). There is no cloud below the (greater) of (5000 ft) or (MSA). Also there are no clouds of operational significance (CB or TCU) at any height.
CAVOK means (…). It is used when ALL of the following conditions are met:
- Visibility (…) km or more
- No clouds below (… or …), whichever is (lesser/higher).
- No CB clouds
- No significant weather phenomena in the vicinity of the aerodrome
CAVOK means (Clouds and Visibility OK). It is used when ALL of the following conditions are met:
- Visibility (10) km or more
- No clouds below (5000 ft or MSA), whichever is (higher).
- No CB clouds
- No significant weather phenomena in the vicinity of the aerodrome
The wind speed given in a METAR report is based on the (greatest/average/slowest) speed in the previous (…) minutes.
The wind speed given in a METAR report is based on the (average) speed in the previous (10) minutes.
In a METAR, the abbreviation BC means (…).
In a METAR, the abbreviation BC means (Patches).
Symbol 16 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
A cup-type anemometer measures (…). It is placed (…).
A cup-type anemometer measures (wind velocity). It is placed (on a mast 10 m above runway elevation).
Symbol 17 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
An easterly wave can be identified on a surface weather chart as (…).
An easterly wave can be identified on a surface weather chart as (a weak trough).
In a METAR, the abbreviation PL means (…).
In a METAR, the abbreviation PL means (Ice Pellets).
In a METAR, the abbreviation DS means (…).
In a METAR, the abbreviation DS means (Dust Storm).
Symbol 12 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
The abbreviation ‘SKC’ means (…). It indicates a (…) oktas cloud cover.
The abbreviation ‘SKC’ means (Sky Clear). It indicates a (0) oktas cloud cover.
Symbol 14 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Polar orbiting meteorological satellites are (closer/further) to the Earth than geostationary satellites. Pictures from (polar orbiting/geostationary) satellites have a higher resolution.
Polar orbiting meteorological satellites are (closer) to the Earth than geostationary satellites. Pictures from (polar orbiting
A transmissometer determines (…).
A transmissometer determines (visibility and RVR).
Maximum time a TEMPO can last in any one instance is (…) min.
Maximum time a TEMPO can last in any one instance is (60) min.
Symbol 1 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Symbol 4 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
In a METAR, the abbreviation VA means (…).
In a METAR, the abbreviation VA means (Vulcanic Ash).
NOSIG means (…) and is indicated if no change is expected within the next (…) hour(s).
NOSIG means (No Significant Changes) and is indicated if no change is expected within the next (2) hours.
In a METAR, the abbreviation DR means (…).
In a METAR, the abbreviation DR means (Drifting).
Symbol 8 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Symbol 7 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Two small, solid black lines across a jet stream axis indicate that the height of the jet stream axis changes by +/- (…) ft and/or the speed varies by +/- (…) kts.
Two small, solid black lines across a jet stream axis indicate that the height of the jet stream axis changes by +/- (3000) ft and/or the speed varies by +/- (20) kts.
In a METAR, the abbreviation SQ means (…).
In a METAR, the abbreviation SQ means (Squalls).
In a METAR, the abbreviation RE means (…).
In a METAR, the abbreviation RE means (Recent).
Symbol 10 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
The heights of cloud bases in TAFs are reported being (AMSL/AGL/AAL).
The heights of cloud bases in TAFs are reported being (AAL).
RVR is reported when (RVR/visibility) decreases below (800/1500/2000) m.
RVR is reported when (visibility) decreases below (1500) m.
Defined upper level of windshear activity in messages is (…) ft above runway level.
Defined upper level of windshear activity in messages is (1600) ft above runway level.
In a METAR, the abbreviation SS means (…).
In a METAR, the abbreviation SS means (Sand Storm).
Ceiling is defined as the height above ground or water of the (…).
Ceiling is defined as the height above ground or water of the (lowest layer of cloud below 20 000 ft covering more than half of the sky).
The abbreviation VC means (…) and is to be used only in METAR and SPECI to indicate a phenomena in a range between (… - …) km.
The abbreviation VC means (vicinity) and is to be used only in METAR and SPECI to indicate a phenomena in a range between (8-16) km.
Isotachs are lines joining the points of equal (…).
Isotachs are lines joining the points of equal (wind speeds).
In a METAR, the abbreviation DU means (…).
In a METAR, the abbreviation DU means (Dust).
Symbol 5 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Well separated CBs are described on the Significant Weather Chart as (…).
Well separated CBs are described on the Significant Weather Chart as (OCNL CB).
In a METAR, the abbreviation BL means (…).
In a METAR, the abbreviation BL means (Blowing).
Symbol 11 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Symbol 18 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
The validity of TAF (in terms of time) is typically (…) hours.
The validity of TAF (in terms of time) is typically (9) hours.
In a METAR, the abbreviation PO means (…).
In a METAR, the abbreviation PO means (Sand/Dust Whirls).
Meteorological visibility determined in the METAR is the (smallest/greatest) value which is reached at least within (half/three quarter/the whole) of the horizon as seen from the aerodrome.
Meteorological visibility determined in the METAR is the (greatest) value which is reached at least within (half) of the horizon as seen from the aerodrome.
Symbol 2 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
In a METAR, the abbreviation SG means (…).
In a METAR, the abbreviation SG means (Snow Grains).
Individual CBs are described on the Significant Weather Chart as (…).
Individual CBs are described on the Significant Weather Chart as (ISOL CB).
In a METAR, the abbreviation MI means (…).
In a METAR, the abbreviation MI means (Shallow).
Symbol 3 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
Symbol 9 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
A psychrometer is used to measure (…).
A psychrometer is used to measure (atmospheric humidity).
Symbol 13 in the attachment on a SigMet chart is (…).
1 = snow, 2 = haze, 3 = thunderstorm, 4 = tropical cyclone, 5 = severe squall line, 6 = moderate turbulence, 7 = severe turbulence, 8 = mountain waves, 9 = severe icing, 10 = shower, 11 = hail, 12 = drizzle, 13 = moderate rain, 14 = rain, 15 = tropopause high, 16 = mist, 17 = fog, 18 = freezing fog
