B-7 common weather abbreviations – BendixKing KMD 540 - Addendum System KMD 850 User Manual
Page 120
Revision 6 Feb/2009
B-7
Common Weather Abbreviations
KMD 550/850 FIS Addendum
Appendix B
EXTDD Extended
EXTDG Extending
EXTDS Extends
EXTN Extension
EXTRAP Extrapolate
EXTRAPD Extrapolated
EXTRM Extreme
EXTRMLY Extremely
EXTSV Extensive
F Fahrenheit
FA Aviation
area
fore-
cast
FAH
Fahrenheit
FAM Familiar
FC
Funnel cloud
(+FC = Tornado or
water spout)
FCST Forecast
FCSTD Forecasted
FCSTG Forecasting
FCSTR Forecaster
FCSTS Forecasts
FEW
Few (used to
describe cloud
cover or weather
phenomena, >0
octas to 2 octas
cloud amount)
FG
Fog (METAR, only
when visibility is
less than 5/8 mile)
FIBI
Filed but impracti-
cable to transmit
FIG Figure
FILG Filling
FIR Flight
information
region
FIRAV First
available
FIS
Flight Information
Service
FIS-B
Flight Information
Service - Broadcast
FIRST
First observation
after a break in cov-
erage at manual
station
FL
Florida or flight level
FLG Falling
FLRY Flurry
FLRYS Flurries
FLT Flight
FLW Follow
FLWG Following
FM From
FMGGgg
From the time (UTC)
indicated by GGgg.
Generic WMO format
code group, indi-
cating a significant
and rapid (in less
than 1 hour) change
to a new set of
prevailing conditions
FMT Format
FNCTN Function
FNT Front
FNTL Frontal
FNTS Fronts
FNTGNS Frontogenesis
FNTLYS Frontolysis
FORNN Forenoon
FPM
Feet per minute
FQT Frequent
FQTLY Frequently
FRM Form
FRMG Forming
FRMN Formation
FROPA Frontal
passage
FROSFC Frontal
surface
FRQ
Frequent
FRST Frost
FRWF
Forecast wind factor
FRZ Freeze
FRZLVL Freezing
level
FRZN Frozen
FRZG Freezing