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paramId	shortName	Name	units
31	ci	Sea ice area fraction	(0 - 1)
33	rsn	Snow density	kg m**-3
34	sst	Sea surface temperature	K
47	dsrp	Direct solar radiation	J m**-2
50	lspf	Large-scale precipitation fraction	s
57	uvb	Downward UV radiation at the surface	J m**-2
58	par	Photosynthetically active radiation at the surface	J m**-2
78	tclw	Total column cloud liquid water	kg m**-2
79	tciw	Total column cloud ice water	kg m**-2
129	z	Geopotential	m2 s-2
136	tcw	Total column water	kg m**-2
137	tcwv	Total column vertically-integrated water vapour	kg m**-2
145	bld	Boundary layer dissipation	J m**-2
146	sshf	Surface sensible heat flux	J m**-2
147	slhf	Surface latent heat flux	J m**-2
151	msl	Mean sea level pressure	Pa
159	blh	Boundary layer height	m
165	10u	10 metre U wind component	m s**-1
166	10v	10 metre V wind component	m s**-1
167	2t	2 metre temperature	K
168	2d	2 metre dewpoint temperature	K
169	ssrd	Surface short-wave (solar) radiation downwards	J m**-2
172	lsm	Land-sea mask	(0 - 1)
175	strd	Surface long-wave (thermal) radiation downwards	J m**-2
176	ssr	Surface net short-wave (solar) radiation	J m**-2
177	str	Surface net long-wave (thermal) radiation	J m**-2
178	tsr	Top net short-wave (solar) radiation	J m**-2
179	ttr	Top net long-wave (thermal) radiation	J m**-2
180	ewss	Eastward turbulent surface stress	N m**-2 s
181	nsss	Northward turbulent surface stress	N m**-2 s
189	sund	Sunshine duration	s
195	lgws	Eastward gravity wave surface stress	N m**-2 s
196	mgws	Northward gravity wave surface stress	N m**-2 s
197	gwd	Gravity wave dissipation	J m**-2
208	tsrc	Top net short-wave (solar) radiation, clear sky	J m**-2
209	ttrc	Top net long-wave (thermal) radiation, clear sky	J m**-2
210	ssrc	Surface net short-wave (solar) radiation, clear sky	J m**-2
211	strc	Surface net long-wave (thermal) radiation, clear sky	J m**-2
212	tisr	TOA incident short-wave (solar) radiation	J m**-2
213	vimd	Vertically integrated moisture divergence	kg m**-2
229	iews	Instantaneous eastward turbulent surface stress	N m**-2
230	inss	Instantaneous northward turbulent surface stress	N m**-2
231	ishf	Instantaneous surface sensible heat flux	W m**-2
232	ie	Instantaneous moisture flux	kg m-2 s-1
235	skt	Skin temperature	K
238	tsn	Temperature of snow layer	K
244	fsr	Forecast surface roughness	m
245	flsr	Forecast logarithm of surface roughness for heat	Numeric
3020	vis	Visibility	m
3062	lsp	large scale precipitation	kg m**-2
3099	snom	Snowmelt	kg m**-2
160198	srcrea	Skin reservoir content	kg m**-2
228029	i10fg	Instantaneous 10 metre wind gust	m s**-1
228032	asn	Snow albedo	%
228089	tcrw	Total column rain water	kg m**-2
228090	tcsw	Total column snow water	kg m**-2
228141	sd	Snow depth water equivalent	kg m**-2
228143	cp	Convective precipitation	kg m**-2
228144	sf	Snow Fall water equivalent	kg m**-2
228164	tcc	Total Cloud Cover	%
228217	ilspf	Instantaneous large-scale surface precipitation fraction	(0 - 1)
228218	crr	Convective rain rate	kg m-2 s-1
228219	lsrr	Large scale rain rate	kg m-2 s-1
228220	csfr	Convective snowfall rate water equivalent	kg m-2 s-1
228221	lssfr	Large scale snowfall rate water equivalent	kg m-2 s-1
228228	tp	Total Precipitation	kg m**-2
231001	fzrawe	Accumulated freezing rain water equivalent	kg m**-2
231002	rowe	Runoff water equivalent	kg m**-2
231003	eswe	Snow evaporation water equivalent	kg m**-2
231005	peva	Potential evaporation	kg m**-2
231010	surfro	Surface runoff	kg m**-2
231012	ssurfro	Sub-surface runoff	kg m**-2
260015	ptype	Precipitation type	code table (4.201)
260121	kx	K index	K
260123	totalx	Total totals index	K
260259	eva	Evaporation	kg m**-2
260509	al	Forecast albedo	%

Update (2023-0612-2608):

The following additional surface level parameters are now supported with ecCodes version of at least 2.3032.01.
The parameters are also provided on the O8000 grid and are as follows:

paramId	shortName	Name	units

165

3073

10u10 metre U wind componentm s**-116610v10 metre V wind componentm s**-11672t2 metre temperatureK1682d2 metre dewpoint temperatureK208tsrcTop net short-wave (solar) radiation, clear skyJ m**-2209ttrcTop net long-wave (thermal) radiation, clear skyJ m**-2212tisrTOA incident short-wave (solar) radiationJ m**-2228141sdSnow depth water equivalentkg m**-2228228tpTotal Precipitationkg m**-2231002roweRunoff water equivalentkg m**-2231005pevaPotential evaporationkg m**-2

lcc	Low cloud cover	%
3074	mcc	Medium cloud cover	%
3075	hcc	High cloud cover	%
228131	u10n	10 metre u-component of neutral wind	m s**-1
228132	v10n	10 metre v-component of neutral wind	m s**-1

Warning

title	Parameter units

Please take care with units. Parameters marked in yellow are those that are typically disseminated in units "(0-1)" or "m" in the ECMWF operational output.

Layer-based fields

The parameters on "levtype=sol", i.e. those produced from layer-based models (such as soil and ice layers), on the O8000 grid are as follows:

paramId	shortName	Name	units	levels
260199	vsw	Volumetric soil moisture	m3 m-3	1,2,3,4
260360	sot	Soil temperature	K	1,2,3,4

Update (2023-12-08):

The following additional layer-based parameters are now supported with ecCodes version of at least 2.32.1.
The parameters are also provided on the O8000 grid and are as follows:

paramId	shortName	Name	units	levels
262024	sit	Sea ice temperature	K	1,2,3,4

Model level fields

The parameters on model levels (1 to 137; with model level 137 representing the lowest height), on the O8000 grid are as follows:

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Layer-based fields

Model level fields