FOAM Output Variables

Since I get many questions on what's contained in FOAM output, here's a list of all the variables contained in the standard atmosphere, coupler, and ocean output files.

Atmosphere Output
ALB Albedo
ALBCLR Clear sky albedo
CLDHGH Vertically-integrated, random overlap, total cloud amount
CLDLOW Vertically-integrated, random overlap, low cloud amount
CLDMED Vertically-integrated, random overlap, mid-level cloud amount
CLDTOT Vertically-integraed, random overlap, total cloud amount
CLOUD Cloud fraction
CMFDQ Q tendency – moist convetsion
CMFDT T tendency-moist convection
CMFMC Moist convection mass flux
CNVCLD Random overlap total convective cloud amount
DC01 convective adjustment tendency
DTCOND T tendency – convective adjustment
DTH T horizontal diffusive heating
DTV T vertical diffusion
FLNS Net longwave flux at surface
FLNSC Clearsky net longwave flux at surface
FLNT Net longwave flux at top
FLNTC Clearsky net longwave flux at top
FLUT Top of Atmosphere Outgoing Longwave Flux
FLUTC Clearsky Top of Atmosphere Outgoing Longwave Flux
FSDS Flux Shortwave Downwelling at Surface
FSDSC Clearsky Flux Shortwave Downwelling at Surface
FSNS Net solar flux at surface
FSNSC Clearsky net solor flux at surface
FSNT Net solar flux at top
FSNTC Clearsky net solar flux at top
FSNTOA Net Solar Flux at the Top of the Atmosphere
FSNTOAC Clearsky Net Solar Flux at the Top of the Atmosphere
LHFLX Surface latent heat flux
LWCF Longwave Cloud Forcing
OMEGA Vertical pressure velocity
ORO ocean(0), land(1), sea ice(2)
PBLH Planetary Boundary Layer Height
PHIS surface geopotential
PRECC Convective precipitation rate
PRECL Large-scale (stable) precipitation rate
PRECSC Convective snow rate (water equivalent)
PRECSL Large-scale (stable) snow rate (water equivalent)
PS surface pressure
PSL Sea level pressure
Q specific humidity
QFLX Surface water flux
QPERT Perturbation specific humidity (eddies in PBL)
QRL Longwave heating rate
QRS Solar heating rate
RELHUM Relative humidity
SHFLX Surface sensible heat flux
SNOWH Water equivalent snow depth
SOLIN Solar insolation
SRFRAD Net radiative flux at surface
SWCF Shortwave Cloud Forcing
T temperature
TAUGWX East-west gravity wave drag surface stress
TAUGWY North-south gravity wave drag surface stress
TAUX X-component (eat-weat) at surface stress
TAUY Y-component (north-south) of surface stress
TMQ Water Vapor
TPERT Perturbation temperature (eddies in PBL)
TS1 Surface temperature (level 1)
TS2 Subsurface temperature (level 2)
TS3 Subsurface temperature (level 3)
TS4 Subsurface temperature (level 4)
U zonal wind component
USTAR Surface friction velocity
UTGW U tendency – gravity wave drag
V meridional wind component
VD01 vertical diffusion tenency of water vapor
VQ Meridional water transport
VT Meridional heat transport
VTGW V tendency – gravity wave drag
VVPUU Kenetic Energy
VZ Meridional transport
WET Soil moisture
Z3 Geopotential Height


EVP moisture flux
FRAC ice fraction
ICET1 ice layer 1 temp
ICET2 ice layer 2 temp
INTERT interface temp
LHF latent heat flux
LWV longwave out
MELTP melt potential
OHEAT ocean heat forcing field
OPREC precip from atm
OQFLX ocean freshwater forcing field
ORNF runoff into the ocean
ORO land mask
RAD surface radiation
RNF land runoff
SHF sensible heat flux
SNDPTH snow depth
SNM snow melt
SNOWT snow temp
TAUX ocean taux foring field
TAUY ocean tauy forcing filed
THCK seaice thickness flag
TSSUB1 top soil layer temp
TSSUB2 soil temp layer 2
TSSUB3 soil temp layer 3
TSSUB4 bottom soil temp layer
VOLR river volume
WS soil moisture


CONVEC Upper Ocean Convective adjustment frequencey
CONVEC2 Deep Ocean Convective adjustment frequencey
Currents Currents
HEATF Ocean heat forcing
P Normalized perturbation presure
S Salinity
SALTF Sfc salinity tendency due to freshwater forcing
Sconv Surface layer S convective adjustment
Sconvm1 Near surface layer S convective adjustment
Szz Surface layer S vertical mixing
Szzm1 Near surface layer S vertical mixing
T Temperature
TAUX X-component (east-west) of surface stress
TAUY Y-component (north-south) of surface stress
Tconv Surface layer T convective adjustment
Tconvm1 Near surface layer T convective adjustment
Tzz Surface layer T vertical mixing
Tzzm1 Near surface layer T vertical mixing
U Zonal current component
V Meridional current component
W Vertical velocity

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