F
F scale - See Fujita Scale.
F - Farenheit
FA - Aviation Area Forecast
FAA - Federal Aviation Administration
FAH - Farenheit
FAM - Familiar
FAX - Facsimile transmission
+FC - Funnel cloud (tornado or waterspout)
FCEXEC - A component of the NWSRFS FCST Program.
FCST - Forecast
FCSTD - Forecasted
FCSTG - Forecasting
FCSTR - Forecaster
FCSTS - Forecasts
FDR - Fire Danger Rating
FEB - February
FEMA - Federal Emergency Management Agency
FEW - Few
FFA - Flood or Flash Flood Watch
FFG - Flash Flood Guidance
FFS - Flash Flood Statement
FFW - Flash Flood Warning
FG - Fog
FIC - Flight information center
FIG - Figure
FILG - Filling
FIR - Flight information region
FIRAV - First available
FIS - Flight information service
FL - Flight level or Florida
FLD - Field
FLG - Flashing or Falling
FLN - National Flood Summary
FLRY - Flurry
FLRYS - Flurries
FLS - River Flood Statement
FLT - Flight
FLUC - Fluctuating or fluctuation or fluctuated
FLW - River Flood Warning, follow(s) or following
FLWG - Following
FLY - Fly or flying
FM - From
FMT - Format
FNCTN - Function
FNT - Front
FNTGNS - Frontogenesis
FNTL - Frontal
FNTLYS - Frontolysis
FNTS - Fronts
FORNN - Forenoon
FOS - Family of Services
FOS - Family of Services
FPM - Feet per minute
FPO - Flood Potential Outlook
FQT - Frequent
FQTLY - Frequently
FREQ - Frequency
FRI - Friday
FRM - Form
FRMG - Forming
FRMN - Formation
FRONT - Front (relating to weather)
FROPA - Frontal passage
FROSFC - Frontal surface
FRQ - Frequent
FRST - Frost
FRWF - Forecast wind factor
FRZ - Freeze
FRZG - Freezing
FRZN - Frozen
FST - First
FT - Feet (dimensional unit) or Terminal forecast
FTHR - Further
FTP - File Transfer Protocol
FU - Smoke
FVRBL - Favorable
FWD - Forward
FYI - For your information
FZ - Freezing
FZDZ - Freezing drizzle
FZFG - Freezing fog
FZRA - Freezing rain
