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265 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Light intensity (precip) |
Meteorology acronyms, ppl |
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+
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Heavy intensity (precip)
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$
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Maintenance required (ASOS)
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=
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End of report
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+FC
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Tornado/Water Spout
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ABT
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About
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ABV
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Above
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AC
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Altocumulus
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ACT
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Active, activated
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AER
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Approach end of runway
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AFD
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Airport Facility Directory
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AIP
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Aeronautical Information Publication
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AIREP
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Plain language form of air report
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AIREP SPECIAL
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Air report of special meteorological observation
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ALQDS
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All quadrants
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ALT
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Altitude
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AMD
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Amend, amended
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AMD
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Amended Forecast (TAF)
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AO1
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Automated Observation without precipitation discriminator (rain/snow)
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AO2
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Automated Observation with precipitation discriminator (rain/snow)
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AS
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Altostratus
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ASDA
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Accelerate/stop distance available
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ASDE
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Airport Surface Detection Equipment
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ASSW
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Associated with
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BASE
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Cloud base
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BA
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Braking action (FAIR, POOR, NIL)
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BC
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Patches
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BECMG
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Becoming (expected between 2 digit beginning hour and 2 digit ending hour)
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BINOVC
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Breaks in the overcast
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BKN
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Broken (5-7 octas (eighths) cloud coverage)
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BL
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Blowing
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BLO
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Below clouds
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BLSN
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Blowing snow
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BLW
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Below
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BR
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Mist (Fog with vis greater than 5/8 Mile)
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BRAF
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Braking action fair
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BRAG
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Braking action good
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BRAN
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Braking action nil
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BRAP
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Braking action poor
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BTL
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Between layers
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BTN
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Between
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BYD
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Beyond
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C
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Degrees Celsius
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CAT
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Clear Air Turbulence
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CAVOK
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Ceiling And Visibility OK. More than 1500M & 10K (5000 FT/6 SM). No CB, No Precip.
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CB
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Cumulonimbus
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CC
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Cirrocumulus
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CHINO [LOC]
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Cloud Height Indicator at second location not available
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CI
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Cirrus
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CLD
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Clouds
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CLR
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Clear at or below 12,000 feet (ASOS/AWOS report)
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CMSND
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Commissioned
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CNS
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Continuous
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COR
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Correction to the observation
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COT
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Coast
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CS
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Cirrostratus
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CTN
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Caution
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CU
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Cumulus
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CUF
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Cumuliform
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DCMSND
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Decommissioned
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DEG
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Degrees
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DMO
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Dependent Meteorological office
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DP
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Dewpoint
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DR
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Low Drifting
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DS
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Dust Storm
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DSNT
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Distant
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DTRT
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Deteriorate, deteriorating
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DU
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Widespread Dust
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DUST
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Duststorm
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DZ
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Drizzle
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EXP
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Expect(ed), expecting
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FBL
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Light (to qualify icing, turbulence etc)
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FC
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Funnel Cloud
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FEW
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>0-2 octas (eighths) cloud coverage
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FG
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Fog
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FL
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Flight Level
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FM
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From (4 digit beginning time in hours and minutes)
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FPM
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Foot per minute
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FRONT
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Front
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FRQ
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Frequent
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FT
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Feet
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FU
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Smoke
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FZ
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Supercooled/freezing
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FZDZ
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Freezing drizzle
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FZRA
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Freezing rain
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FZRANO
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Freezing rain information not available
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GND
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Ground
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GR
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Hail
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GRADU
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Gradual(ly)
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GS
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Small Hail/Snow Pellets
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H
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High pressure
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HAIL
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Hail
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HIBAL
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High Altitude Balloon
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HIWAS
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Hazardous Inflight Weather Advisory Service
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HURCN
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Hurricane
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HVY
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Heavy
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HZ
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Haze
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IAO
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In and out of clouds
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IC
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Ice Crystals
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ICE
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Icing
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IFR
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Instrument flight rules
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IMC
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Instrument meteorological conditions
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IMPR
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Improve, improving
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INC
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In Clouds
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INS
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Inches
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INTER
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Intermittent
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INTSF
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Intensify(ing)
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INTST
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Intensity
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JTST
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Jet stream
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KM
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Kilometers
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KMH
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Kilometers per hour
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KT
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Knots
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L
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Low pressure area
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LAN
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Land
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LDA
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Landing distance available
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LDG
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Landing
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LGT
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Light
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LOC
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Locally
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LSQ
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Line squall
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LSR
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Loose snow on runway
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LTG
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Lightning
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LYR
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Layer(ed)
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M
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Meters
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M
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Minus or below zero (temperature)
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M
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Less than lowest reportable sensor value (RVR or vis e.g. M1/4SM)
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MAX
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Maximum
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MB
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Millibars
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MET
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Meteorological, meteorology
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MI
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Shallow
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MIN
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Minutes
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MNM
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Minimum
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MOD
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Moderate (icing, turbulence etc.)
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MOV
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Move, moving
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MPS
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Meters per second
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MS
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Minus
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MSL
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Mean sea level
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MTW
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Mountain waves
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MU
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Runway friction coefficent
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NC
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No change
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NIL
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None, nothing
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NM
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Nautical mile(s)
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NMRS
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Numerous
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NO
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Not available (e.g. SLPNO, RVRNO)
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NOSIG
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No significant change
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NS
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Nimbostratus
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NSC
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No significant clouds
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NSW
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No Significant Weather
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OBS
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Observe(d), observation
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OBSC
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Obscure(d), obscuring
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OCNL
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Occasional(ly)
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OKTA
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Eight of sky cover
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OTP
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On top
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OTS
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Out of service
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OVC
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Overcast 8 octas (eighths) cloud coverage
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P
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Greater than highest reportable sensor value (RVR or vis e.g. P6000FT)
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P6SM
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Visibility greater than 6 SM (TAF only)
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PAEW
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Personnel and equipment working
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PE
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Ice Pellets
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PJE
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Parachute Jumping Exercise
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PK WND
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Peak wind
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PLW
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Plow/plowed
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PNO
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Precipitation amount not available
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PO
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Dust/Sand Whirls
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PPR
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Prior permission required
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PR
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Partial
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PRESFR
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Pressure falling rapidly
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PRESRR
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Pressure rising rapidly
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PROB
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Probability
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PROB30
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Probability 30 percent
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PS
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Plus
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PSR
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Packed snow on runway
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PWINO
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Precipitation identifier sensor not available
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Pxxxx
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In METAR RMK = xx.xx inch (water equivalent) of precipitation in previous hour
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PY
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Spray
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R
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Runway (in RVR measurement)
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RA
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Rain
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RAB
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Rain Began @ HHMM (RAB 1421) or as Min past hour (RAB 21) [METAR]
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RADAT
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Radiosonde observation addl data (RADAT 87045 = 87 % RH at frzg level of 4500 MSL)
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RAE
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Rain Ended @ HHMM (RAE 1433) or as Min past hour (RAE 33) [METAR]
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RAPID
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Rapid(ly)
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RASN
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Rain and snow
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RCAG
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Remote Center Air/Ground Comm Facility
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RMK
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Remark
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RVR
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Runway visual range
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RVRNO
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RVR not available (ASOS)
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RY/RWY
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Runway
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SA
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Sand
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SAND
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Sandstorm
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SC
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Stratocumulus
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SCSL
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Stratocumulus standing lenticular cloud
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SCT
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Scattered 3-4 octas (eighths) cloud coverage
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SEC
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Seconds
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SEV
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Severe (icing, turbulence)
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SFC
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Surface
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SG
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Snow Grains
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SH
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Shower
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SHWR
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Shower
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SIGMET
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Information from MWO concerning certain meteorological phenomena
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SIR
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Snow and ice on runway
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SKC
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Sky Clear
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SLP
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Sea Level Pressure in 3 digit MB (e.g., 1001.3 reported as 013)
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SLPNO
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Sea-level pressure not available
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SLR
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Slush on runway
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SLW
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Slow
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SM
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Statute Miles
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SMK
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Smoke
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SMO
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Supplementary meteorological office
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SN
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Snow
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SPECI
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Special Report
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SQ
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Squall
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SS
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Sandstorm
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SSR
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Secondary Surveillance Radar
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T
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Temperature
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TAF
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Terminal aerodrome forecast in code
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TAPLEY
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Tapley runway friction coefficient
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TAR
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Terminal Area Surveillance Radar
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TAIL
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Tail wind
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TCH
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Threshold Crossing Height
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TCU
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Towering Cumulus
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TDO
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Tornado
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TDWR
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Terminal Doppler Weather Radar
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TEMPO
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Temporary changes expected (between 2 digit beginning hour and 2 digit ending hour)
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TEND
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Trend or tending to
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TKOF
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Takeoff
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TMPA
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Traffic Management Program Alert
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TODA
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Takeoff distance available
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TOP
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Cloud top
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TORA
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Takeoff run available
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TS
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Thunderstorm
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TSNO
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Thunderstorm/lightning detector not available (ASOS)
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TURB
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Turbulence
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TWY
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Taxiway
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UFN
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Until further notice
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UNL
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Unlimited
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UP
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Unknown Precipitation (Automated Observations)
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UTC
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Coordinated Universal Time (=GMT)
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V
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Variable (wind direction and RVR)
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VA
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Volcanic Ash
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VC
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Vicinity. Not at airfield, but within 5-10 SM of center of runway complex.
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VER
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Vertical
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VFR
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Visual flight rules
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VGSI
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Visual Glide Slope Indicator
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VIS
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Visibility
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VISNO [LOC]
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Visibility Indicator at second location not available
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VMS
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Visual meteorological conditions
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VOLMET
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Meteorological information for aircraft in flight
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VRB
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Variable wind direction when speed is less than or equal to 6 knots
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VRBL
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Variable
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VSP
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Vertical speed
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VV
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Vertical Visibility (indefinite ceiling)
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WAAS
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Wide Area Augmentation System
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WDSPR
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Widespread
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WEF
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With effect from
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WIE
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With immediate effect
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WIP
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Work in progress
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WKN
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Weaken(ing)
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WR
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Wet runway
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WS
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Wind shear (In TAFs, low level and not associated with convective activity)
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WSHFT
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Wind shift at (time in minutes after the hour)
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WSP
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Weather Systems Processor
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WSR
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Wet snow on runway
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WST
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Convective Significant Meteorological Information
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WTSPT
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Waterspout
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WW
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Severe Weather Watch Bulletin
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WX
|
Weather |
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