Speedy Variable Translation

Physicsstate

Jax Variable	Units	Speedy Equivalent	Description
geopotential	m²/s²	phi	geopotential
normalized_surface_pressure	1	psa	normalized surface pressure
specific_humidity	g/kg	qa	Specific humidity
temperature	K	ta	temperature
u_wind	m/s	ua	U-wind
v_wind	m/s	va	V-wind

Condensation

Jax Variable	Units	Speedy Equivalent	Description
dqlsc	g/kg/s	dqlsc	Specific humidity tendency due to large-scale condensation
dtlsc	K/s	dtlsc	Temperature tendency due to large-scale condensation
precls	g/m²/s	precls	Precipitation due to large-scale condensation

Convection

Jax Variable	Units	Speedy Equivalent	Description
cbmf	kg/m²/s	cbmf	Cloud-base mass flux
iptop	model level index	itop	Top of convection (layer index)
precnv	g/m²/s	precnv	Convective precipitation [g/(m^2 s)]
qdif	g/kg	qdif	Excess humidity in convective gridboxes
se	J/kg	se	dry static energy

Date

Jax Variable	Units	Speedy Equivalent	Description
model_step	1	-	Model step counter
model_year	year	model_datetime	The model’s current year
tyear	year	tyear	Fractional time of year

Humidity

Jax Variable	Units	Speedy Equivalent	Description
qsat	g/kg	qsat	saturation specific humidity
rh	1	rh	relative humidity

Land_model

Jax Variable	Units	Speedy Equivalent	Description
stl_am	K	stl_am	Land surface temperature used by the atmospheric model
stl_lm	K	stl_lm	Land surface temperature calculated by the land model

Longwave_rad

Jax Variable	Units	Speedy Equivalent	Description
dfabs	W/m²	dfabs	Flux of long-wave radiation absorbed in each atmospheric layer
ftop	W/m²	ftop	Net downward flux at top of atmosphere

Mod_radcon

Jax Variable	Units	Speedy Equivalent	Description
ablco2	1	ablco2	CO2 absorptivity
alb_l	1	alb_l	Daily-mean albedo over land (bare-land + snow)
alb_s	1	alb_s	Daily-mean albedo over sea (open sea + sea ice)
albsfc	1	albsfc	Combined surface albedo (land + sea)
flux	W/m²	flux	Radiative flux in different spectral bands
snowc	1	snowc	Effective snow cover (fraction)
st4a	W/m²	st4a	Blackbody emission from full and half atmospheric levels
stratc	W/m²	stratc	Stratospheric correction term
tau2	1	tau2	Transmissivity of atmospheric layers

Shortwave_rad

Jax Variable	Units	Speedy Equivalent	Description
cloudc	1	cloudc	Total cloud cover
cloudstr	1	clstr	Stratiform cloud cover
compute_shortwave	bool	compute_shortwave	Flag to compute shortwave radiation
dfabs	W/m²	dfabs	Flux of long-wave radiation absorbed in each atmospheric layer
fsol	W/m²	fsol	Solar radiation at the top
ftop	W/m²	ftop	Net downward flux at top of atmosphere
gse	W/m²/K	gse	Vertical gradient of dry static energy
icltop	model level index	icltop	Cloud top level
ozone	ppmv	ozone	Ozone concentration in lower stratosphere
ozupp	Dobson Unit	ozupp	Ozone depth in upper stratosphere
qcloud	1	qcloud	Equivalent specific humidity of clouds
rsds	W/m²	fsfcd	Total downward flux of short-wave radiation at the surface
rsns	W/m²	fsfc	Net downward flux of short-wave radiation at the surface
stratz	W/m²	stratz	Polar night cooling in the stratosphere
zenit	radian	zenit	The zenith angle

Surface_flux

Jax Variable	Units	Speedy Equivalent	Description
evap	g/m²/s	evap	Evaporation
hfluxn	W/m²	hfluxn	Net downward heat flux
rlds	W/m²	slrd	Downward flux of long-wave radiation at the surface
rlns	W/m²	-	Net upward flux of long-wave radiation at the surface
rlus	W/m²	slru	Upward flux of long-wave radiation at the surface
shf	W/m²	shf	Sensible heat flux
t0	K	t0	Near-surface temperature
tsfc	K	tsfc	Surface temperature
tskin	K	tskin	Skin surface temperature
u0	m/s	u0	Near-surface u-wind
ustr	N/m²	ustr	u-stress
v0	m/s	v0	Near-surface v-wind
vstr	N/m²	vstr	v-stress