Parameters forming part of the Weather and Geophysical Extremes Digital Twin (DT) are investigated here. See the encodings below, which are current for ecCodes 2.3536.0.

Warning

title	Data availability

See the Extremes DT overview page for more details on data availability and accessing the data.

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param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of First Fixed Surface	scale Factor Of First Fixed Surface	scaled Value Of First Fixed Surface	scale Factor Of Second Fixed Surface	Level
31	Sea ice area fraction	ci	(0 - 1)	10	2	01	surface	-		GG
34	Sea surface temperature	sst	K	10	3	0	surface	1-		GG
78	Total column cloud liquid water	tclw	kg m**-2	0	1	69	1entireAtmosphere	8-		GG
134	Surface pressure	sp	Pa	0	3	0	surface	1-		GG
136	Total column water	tcw	kg m**-2	0	1	51	1entireAtmosphere	8-		GG
137	Total column vertically-integrated water vapour	tcwv	kg m**-2	0	1	64	1entireAtmosphere	8-		GG
151	Mean sea level pressure	msl	Pa	0	3	0	meanSea	-101		GG
165	10 metre U wind component	10u	m s**-1	0	2	2	103	0heightAboveGround	10		GG
166	10 metre V wind component	10v	m s**-1	0	2	3	103heightAboveGround	0	10		GG
167	2 metre temperature	2t	K	0	0	0	103	0heightAboveGround	2		GG
168	2 metre dewpoint temperature	2d	K	0	0	6	103heightAboveGround	0	2		GG
3020	Visibility	vis	m	0	19	0	103heightAboveGround	0	10		GG
228029	Instantaneous 10 metre wind gust	i10fg	m s**-1	0	2	22	103	0heightAboveGround	10		GG
228050	Instantaneous total lightning flash density	litoti	km-2 day-1	0	17	4	1entireAtmosphere	8-		GG.
228218	Convective rain rate	crr	kg m-2 s-1	0	1	76	surface	1-		GG
228219	Large scale rain rate	lsrr	kg m-2 s-1	0	1	77	surface	-1		GG
228221	Large scale snowfall rate water equivalent	lssfr	kg m-2 s-1	0	1	56	surface	-1		GG.
228235	Most-unstable CAPE	mucape	J kg**-1	0	7	6	mostUnstableParcel	17-		GG. Used rather than 59; cape, which is phased out.
260015	Precipitation type	ptype	code table (4.201)	0	1	19	surface	-		GG
~~164~~	~~Total cloud cover~~	~~tcc~~	~~(0 - 1)~~	0	6	~~192~~	1~~entireAtmosphere~~	8		1	GG. ECMWF unit. Not yet supported by ExtremesDT IFS.
~~162071~~	~~Vertical integral of eastward water vapour flux~~	~~viwve~~	~~kg m-1 s-1~~	0	1	~~150~~	1~~entireAtmosphere~~	8			GG
~~162072~~	~~Vertical integral of northward water vapour flux~~	~~viwvn~~	~~kg m-1 s-1~~	0	1	~~151~~	1	8~~entireAtmosphere~~			GG
~~228003~~	~~Friction velocity~~	~~zust~~	~~m s**-1~~	10	0	17				GG. Not yet supported by ExtremesDT IFS.
~~228164~~	~~Total Cloud Cover~~	~~tcc~~	%	0	6	11	~~entireAtmosphere~~	8			GG. WMO unit. Not yet supported by ExtremesDT IFS.
~~228236~~	~~Most-unstable CIN~~	~~mucin~~	~~J kg**-1~~	0	7	7	17~~mostUnstableParcel~~			GG. Used rather than 228001; cin, which is phased out. Not yet supported by ExtremesDT IFS.
~~231013~~	~~Reflectance in 0.4 micron channel~~	~~rfl04~~	%	3	1	30				GG. Not yet supported by ExtremesDT IFS.
~~260227~~	~~Reflectance in 0.6 micron channel~~	~~rfl06~~	%	3	1	9				GG. Not yet supported by ExtremesDT IFS.
~~260228~~	~~Reflectance in 0.8 micron channel~~	~~rfl08~~	%	3	1	10				GG. Not yet supported by ExtremesDT IFS.
~~260510~~	~~Cloudy brightness temperature~~	~~clbt~~	K	3	1	14				GG. Needs Simulated Satellite mode on...

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param Id	name	short Name	units	discipline	parameter Number	type Of First Fixed Surface	scale Factor Of First Fixed Surface	scale Factor Of Second Fixed Surface
140221	Mean zero-crossing wave period	mp2	s	10	28	surface	-	GG
140229	Significant height of combined wind waves and swell	swh	m	10	3	surface	-101	GG
140230	Mean wave direction	mwd	degrees	10	14	surface	-	GG
140231	Peak wave period	pp1d	s	10	34	surface	-	GG
140232	Mean wave period	mwp	s	10	15	surface	-	GG

Fields on pressure levels (levtype `pl`)

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21 pressure levels: (1, 2, 3, 5, 7, 10, 20, 30, 50, 70, 100, 150, 200, 250, 300, 400, 500, 700, 850, 925, 1000)

param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of

First Fixed Surface

scale Factor Of First Fixed Surface

scaled Value Of First Fixed Surface

type Of Second Fixed Surface

scale Factor Of Second Fixed Surface

scaled Value Of Second Fixed Surface

Level	level	type Of Statistical Processing	local Tables Version	comments
129	Geopotential	z	m2 s-2	0	3	4

100

isobaricInhPa	<as-above>			GG. At surface this is orography.
130	Temperature	t	K	0	0	0

100

isobaricInhPa	<as-above>			GG
131	U component of wind	u	m s**-1	0	2	2	isobaricInhPa

100

<as-above>			GG
132	V component of wind	v	m s**-1	0	2	3

100

isobaricInhPa	<as-above>			GG
133	Specific humidity	q	kg kg**-1	0	1	0

100

isobaricInhPa	<as-above>			GG
157	Relative humidity	r	%	0	1	1	isobaricInhPa

100

<as-above>

GG

Fields on model levels

Sea-ice/snow/soil (levtype `sol`)

Time resolution: Hourly (step=0/1/2/.../96).
4 model levels: (1, ..., 4)

scale Factor Of Second Fixed Surface

scaled Value Of Second Fixed Surface

param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of

First Fixed Surface

scale Factor Of First Fixed Surface

scaled Value Of First Fixed Surface

type Of Second Fixed Surface

Level	level

type Of Statistical Processing	local Tables Version	comments
~~260360~~	~~Soil temperature~~	~~sot~~	K	2	3	18

~~151~~

~~soilLayer~~

0~~N-1151~~0N

~~<as-above>~~			~~GG.~~ ~~For soil layer N.~~ ~~Replaces:~~ 139; stl1 170; stl2 183; stl3 236; stl4 Not yet supported by ExtremesDT IFS.
~~260199~~	~~Volumetric soil moisture~~	~~vsw~~	~~m3 m-3~~	2	0	25

~~151~~

~~soilLayer~~

0

N

~~151~~

0

N

~~<as-~~

1

~~above>~~

GG.
For soil layer N.
Replaces:
39; swvl1
40; swvl2
41; swvl3
42; swvl4
Not yet supported by ExtremesDT IFS.

Fields on height levels (levtype `hl`)

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param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of First Fixed Surface	scale Factor Of First Fixed Surface	scaled Value Of First Fixed Surface	type Of Second Fixed Surface	scale Factor Of Second Fixed Surface	Level	levelscaled Value Of Second Fixed Surface	type Of Statistical Processing	local Tables Version	comments
228246	100 metre U wind component	100u	m s**-1	0	2	2	103heightAboveGround	0	100			GG
228247	100 metre V wind component	100v	m s**-1	0	2	3	103	0heightAboveGround	100			GG

Mean encodings

Fields on a single level or surface

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param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of First Fixed Surface	scale Factor Of First Fixed Surface	scaled Value Of First Fixed Surface	type Of Second Fixed Surface	scale Factor Of Second Fixed Surface	Level	levelscaled Value Of Second Fixed Surface	type Of Statistical Processing	local Tables Version	comments
228058	Averaged total lightning flash density in the last 6 hours	litota6	km-2 day-1	0	17	4	1entireAtmosphere	8-	0		GG

Accumulated encodings

Fields on a single level or surface

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param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of First Fixed Surface	scale Factor Of First Fixed Surface	scaled Value Of First Fixed Surface	type Of Second Fixed Surface	scale Factor Of Second Fixed Surface
142	Large-scale precipitation	lsp	m	0	1	196	surface	1-	1	1	GG. ECMWF unit.
144	Snowfall	sf	m of water equivalent	0	1	198	surface	-1	1	1	GG. ECMWF unit.
169	Surface short-wave (solar) radiation downwards	ssrd	J m**-2	0	4	7	surface	1-	1		GG
175	Surface long-wave (thermal) radiation downwards	strd	J m**-2	0	5	3	surface	-1	1		GG
176	Surface net short-wave (solar) radiation	ssr	J m**-2	0	4	9	surface	1-	1		GG
177	Surface net long-wave (thermal) radiation	str	J m**-2	0	5	5	surface	-1	1		GG
178	Top net short-wave (solar) radiation	tsr	J m**-2	0	4	9	nominalTop	-8	1		GG
179	Top net long-wave (thermal) radiation	ttr	J m**-2	0	5	5	nominalTop	8-	1		GG
180	Time-integrated eastward turbulent surface stress	ewss	N m**-2 s	0	2	62	surface	-1	1		GG.
181	Time-integrated northward turbulent surface stress	nsss	N m**-2 s	0	2	63	surface	1-	1		GG.
205	Runoff	ro	m	2	0	201	surface	-	1	1	GG. ECMWF unit.
228	Total precipitation	tp	m	0	1	193	surface	1-	1	1	GG. ECMWF unit.
228216	Accumulated freezing rain	fzra	m	0	1	194	surface	-1	1	1	GG. ECMWF unit.
~~3062~~	~~Large-scale precipitation~~	~~lsp~~	~~kg m**-2~~	0	1	54	~~surface~~	1-	1		GG. WMO unit. Not yet supported by ExtremesDT IFS.
~~228143~~	~~Convective precipitation~~	cp	~~kg m**-2~~	0	1	37	~~surface~~	-1	1		GG. WMO unit. Not yet supported by ExtremesDT IFS.
~~228144~~	~~Snowfall water equivalent~~	sf	~~kg m**-2~~	0	1	53	~~surface~~	-1	1		GG. WMO unit. Not yet supported by ExtremesDT IFS.
~~228228~~	~~Total Precipitation~~	tp	~~kg m**-2~~	0	1	52	~~surface~~	1-	1		GG. WMO unit. Not yet supported by ExtremesDT IFS.
~~231001~~	~~Accumulated freezing rain water equivalent~~	~~fzrawe~~	~~kg m**-2~~	0	1	67	~~surface~~	-1	1		GG. WMO unit. Not yet supported by ExtremesDT IFS.
~~231002~~	~~Runoff water equivalent (surface plus subsurface)~~	~~rowe~~	~~kg m**-2~~	2	0	42	~~surface~~	-	1		GG. WMO unit. Not yet supported by ExtremesDT IFS.

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param Id	name	short Name	units	discipline	parameter Category	parameter Number	type Of First Fixed Surface	scale Factor Of First Fixed Surface	scaled Value Of First Fixed Surface	type Of Second Fixed Surface	scale Factor Of Second Fixed Surface	Level	levelscaled Value Of Second Fixed Surface	type Of Statistical Processing	local Tables Version	comments
49	~~10 metre wind gust since previous post-processing~~	~~10fg~~	~~m s**-1~~	0	2	22	~~103~~	0~~heightAboveGround~~	10	2		GG. Not yet supported by ExtremesDT IFS.

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Versions Compared

Old Version 23

New Version 24

Key

Fields on pressure levels (levtype `pl`)

Fields on model levels

Sea-ice/snow/soil (levtype `sol`)

Fields on height levels (levtype `hl`)

Mean encodings

Fields on a single level or surface

Accumulated encodings

Fields on a single level or surface

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Page History

Versions Compared

Old Version 23

New Version 24

Key

Fields on pressure levels (levtype pl)

Fields on model levels

Sea-ice/snow/soil (levtype sol)

Fields on height levels (levtype hl)

Mean encodings

Fields on a single level or surface

Accumulated encodings

Fields on a single level or surface

Fields on pressure levels (levtype `pl`)

Sea-ice/snow/soil (levtype `sol`)

Fields on height levels (levtype `hl`)