Parameters forming part of the Weather and Geophysical Extremes Digital Twin (DT) are investigated here. See the encodings below, which are current for ecCodes 2.3235.10.
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See the Extremes DT overview page for more details on data availability and accessing the data. |
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Please note that additional keys are often necessary in addition to the base parameter definition below. For example for:
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Legend:
| Parameter ready for GRIB2 archiving |
| Parameter with clarifications required for GRIB2 archiving |
| Parameter which needs to be created/modified for GRIB2 archiving |
Contents:
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Fields on a single level or surface
Atmosphere (levtype sfc)
Time resolution:3 hourly for fields kept throughout phase 1 – or hourly for 1 or 2 days only. Ultimate goal to store sub-hourly Hourly (step=0/1/2/.../96).
10 | GG | 167 | 2t | K | 0 | 0 | 0 | 103 | 0 | 2 | GG | 151 | msl | Pa | 0 | 3 | 0 | 101 | GG |
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 | type Of Statistical Processing | local Tables Version | comments | 165 | 10u | m s**-1 | 0 | 2 | 2 | 103 | 0 | 10 | GG | 166 | 10v | m s**-1 | 0 | 2 | 3 | 103 | 0 |
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31 | ci | (0 - 1) | 10 | 2 | 0 | 1 | GG | ||||||||
34 | sst | K | 10 | 3 | 0 | 1 | GG | ||||||||
78 | tclw | kg m**-2 | 0 | 1 | 69 | 1 | 8 | GG | |||||||
134 | sp | Pa | 0 | 3 | 0 | 1 | GG | ||||||||
136 | tcw | kg m**-2 | 0 | 1 | 51 | 1 | 8 | GG | 168 | 2d | |||||
137 | tcwv | kg m**-2 | |||||||||||||
0 | |||||||||||||||
1 | |||||||||||||||
64 | |||||||||||||||
1 | |||||||||||||||
8 | 2 | ||||||||||||||
| GG | 228235 | mucape | |||||||||||||
151 | msl | Pa | |||||||||||||
0 | |||||||||||||||
3 | |||||||||||||||
0 | |||||||||||||||
101 | GG |
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165 | 10u | m s | |||||||||||||
**-1 | 0 |
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2 | 2 | 103 | 0 | 10 | |||||||||||
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166 | 10v | m | 228218 | crr | kg m**-2 |||||||||||
s**-1 | 0 | 2 | 3 | ||||||||||||
103 | |||||||||||||||
0 | |||||||||||||||
10 | GG |
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167 | 2t | K | 0 | 0 | 0 | 103 | |||||||||
0 | |||||||||||||||
2 | GG | ||||||||||||||
168 | 2d | K | 0 | 0 | 6 | 103 | 0 | 2 | GG | ||||||
3020 | vis | m | 0 | 19 | 0 | 103 | 0 | 10 | GG | ||||||
228029 | i10fg | m s**-1 | 0 | 2 | 22 | 103 | 0 | 10 | GG | ||||||
228050 | litoti | km**-2 day**-1 | 0 | 17 | 4 | 1 | 8 | GG. | 228219 | ||||||
228218 | crr | kg m**-2 s**-1 | 0 | 1 | 76 | 1 | GG | ||||||||
228219 | lsrr | kg m**-2 s**-1 | 0 | 1 | 77 | 1 | GG | ||||||||
228221 | lssfr | kg m**-2 s**-1 | 0 | 1 | 56 | 1 | GG. | 260015 | ptype | code table (4.201) | 0 | ||||
228235 | mucape | J kg**-1 | 0 | 7 | 6 | 17 | GG. Used rather than 59; cape, which is phased out. | ||||||||
260015 | ptype | code table (4.201) | 0 | 1 | 19 | GG | 31 | ||||||||
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| 34 | sst | K | 10 | 3 | 0 | 1 | GG |
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| GG. Not yet supported by ExtremesDT IFS. |
| GG. ECMWF unit. Not yet supported by ExtremesDT IFS. | ||||||||||||||
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| GG | |||||||
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| GG | |||||||
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| GG. Not yet supported by ExtremesDT IFS. |
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| GG. Not yet supported by ExtremesDT IFS. |
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| GG. Needs Simulated Satellite mode on... | ||||||||
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| GG. WMO unit. Not yet supported by ExtremesDT IFS. |
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| GG. | |||||||||||||||
| Used rather than 228001; cin, which is phased out. Not yet supported by ExtremesDT IFS. | 78 | tclw | kg m**-2 | ||||||||||||
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| GG | 137 | tcwv | kg m**-2 | 0 | 1 | 64 | 1 | 8 | GG |
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| GG |
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| GG |
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| GG |
Wave
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| GG. Not yet supported by ExtremesDT IFS. | |||||||||
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| GG. Not yet supported by ExtremesDT IFS. | |||||||||
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| GG. Needs Simulated Satellite mode on... |
Wave (levtype sfc)
Time resolution:Hourly (step=0/1/2/.../96).
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 | type Of Statistical Processing | local Tables Version | comments |
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140221 | mp2 | s | 10 | 0 | 28 | GG | |||||||||
140229 | swh | m | 10 | 0 | 3 | 101 | GG | ||||||||
140230 | mwd | degrees | 10 | 0 | 14 | GG | |||||||||
140231 | pp1d | s | 10 | 0 | 34 | ||||||||||
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 | type Of Statistical Processing | local Tables Version | comments | 140221 | mp2 | s | 10 | 0 | 28 | GG | 140230 | mwd | degrees | 10 | 0 | 14
| GG | |||||||||||||||
140232 | mwp | s | 10 | 0 | 15 | GG | 140231 | pp1d | s | 10 | 0 | 34 | GG | 140229 | swh | m | 10 | 0 | 3 | 101 | GG |
Ocean
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Fields on pressure levels (levtype pl)
Time resolution: Hourly (step=0/1/2/.../96).
21 pressure levels: (1, 2, 3, 5, 7, 10, 20, 30, 50, 70, 100, 150, 200, 250, 300, 400, 500, 700, 850, 925, 1000
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param Id
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name
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short Name
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units
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discipline
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parameter Category
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parameter Number
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type Of First Fixed Surface
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scale Factor Of First Fixed Surface
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scaled Value Of First Fixed Surface
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type Of Second Fixed Surface
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scale Factor Of Second Fixed Surface
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scaled Value Of Second Fixed Surface
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type Of Statistical Processing
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local Tables Version
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comments
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262121
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Vertically-integrated heat content in the upper 300 m
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hc300m
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J m**-2
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10
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4
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22
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160
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0
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0
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160
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0
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300
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Fields on pressure levels
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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)
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param Id
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name
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short Name
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units
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discipline
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parameter Category
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parameter Number
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type Of First Fixed Surface
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scale Factor Of First Fixed Surface
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scaled Value Of First Fixed Surface
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type Of Second Fixed Surface
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scale Factor Of Second Fixed Surface
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scaled Value Of Second Fixed Surface
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type Of Statistical Processing
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local Tables Version
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comments
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155
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d
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s**-1
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0
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2
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13
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100
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SH
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156
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gh
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gpm
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0
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3
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5
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100
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GG
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133
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q
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kg kg**-1
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0
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1
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0
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100
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GG
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157
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r
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%
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0
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1
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1
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100
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GG
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130
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t
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K
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0
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0
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0
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100
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GG
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131
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u
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m s**-1
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0
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2
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2
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100
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GG
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132
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v
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m s**-1
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0
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2
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3
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100
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GG
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138
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vo
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s**-1
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0
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2
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12
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100
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SH
Fields on model levels
Atmosphere
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137 model levels: (137, 136, ..., 1) - L137 model level definitions
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param Id
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name
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short Name
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units
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discipline
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parameter Category
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parameter Number
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type Of First Fixed Surface
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scale Factor Of First Fixed Surface
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scaled Value Of First Fixed Surface
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type Of Second Fixed Surface
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scale Factor Of Second Fixed Surface
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scaled Value Of Second Fixed Surface
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type Of Statistical Processing
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local Tables Version
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comments
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio. Replaces 120; Exper. product
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Not in official portfolio.
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105
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GG. Also called omega. Not in official portfolio.
Sea-ice/snow/soil
Time resolution:From 6-hourly to monthly
4 model levels: (1, ..., 4)
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 | type Of Statistical Processing | local Tables Version | comments |
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| Geopotential |
sot
K
2
3
18
| z | m**2 s**-2 |
| 0 |
| 3 |
| 4 |
| 100 | GG. |
Replaces 139; stl1
| At surface this is orography. | |||||||||||||||
130 | t | K | 0 | 0 | 0 | 100 | GG | ||||||||
131 | u | m s**-1 |
260360
sot
K
2
3
18
Replaces 170; stl2
260360
sot
K
2
3
18
0 | 2 |
2 |
100 | GG |
132 | v | m s**-1 | 0 |
260360
sot
2 | 3 |
100 | GG | ||||||||
133 | q | kg kg**-1 | 0 | 1 |
18
0 |
100 | GG |
157 | r | % | 0 | 1 | 1 | 100 | GG |
Fields on model levels
Sea-ice/snow/soil (levtype sol)
sol)Time resolution: Hourly (step=0/1/2/.../96).4 model levels: (1, ..., 4)
260199 | vsw | m**3 m**-3 | 2 | 0 | 25 | 151 | 0 | 0 | 151 | 0 | 1 | GG. Replaces 39; swvl1 | 260199 | vsw | m**3 m**-3 | 2 | 0 | 25 | 151 | 0 | 1 | 151 | 0 | 2 | GG. | 260199 | vsw | m**3 m**-3 | 2 | 0 | 25 | 151 | 0 | 2 | 151 | 0 | 3 | GG.
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 | type Of Statistical Processing | local Tables Version | comments |
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| 40; swvl2 41; swvl3 42; swvl4 Not yet supported by ExtremesDT IFS. |
Fields on height levels (levtype hl)
Time resolution:From 6-hourly to monthlyHourly (step=0/1/2/.../96).
Currently 100m only. These are only for height levels >10m to preserve backwards compatibility with longstanding model fields (2t, 10u, 10v,...)
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 | type Of Statistical Processing | local Tables Version | comments |
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228246 | 100u | m s**-1 | 0 | 2 | 2 | 103 | 0 | 100 | GG | ||||||
228247 | 100v | m s**-1 | 0 | 2 | 3 | 103 | 0 | 100 | GG |
Mean encodings
Fields on a single level or surface
Atmosphere (levtype sfc)
Time resolution: 6 hourly means (step=0-6/6-12/.../90-96).
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 | type Of Statistical Processing | local Tables Version | comments |
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228058 | litota6 | km**-2 day**-1 | 0 | 17 | 4 | 1 | 8 | 0 | GG |
Accumulated encodings
Fields on a single level or surface
Atmosphere
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(levtype sfc)
Time resolution: Hourly accumulations since the start of the forecast (step=0-1/1-2/2-3/.../95-96)Time resolution: hourly accums.
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 | type Of Statistical Processing | local Tables Version | comments | 205 | ro |
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142 | lsp | m | 0 | ||||||||||||
1 | |||||||||||||||
196 | |||||||||||||||
1 | 1 | 1 | GG. ECMWF unit. | 231002 | rowe | kg m**-2 | 2 | 0 | 42|||||||
144 | sf | m of water equivalent | 0 | 1 | 198 | 1 | 1 | 1 | GG. | ||||||
| ECMWF unit. | 228 | tp | m|||||||||||||
169 | ssrd | J m**-2 | 0 | ||||||||||||
4 | |||||||||||||||
7 | 1 | 1 | 1 | ||||||||||||
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228228 | tp | ||||||||||||||
175 | strd | J | |||||||||||||
m**-2 | 0 | ||||||||||||||
5 | |||||||||||||||
3 | 1 | 1 | GG | ||||||||||||
231001 | fzrawe | ||||||||||||||
176 | ssr | J | |||||||||||||
m**-2 | 0 | ||||||||||||||
4 | |||||||||||||||
9 | 1 | 1 | GG | ||||||||||||
228216 | fzra | ||||||||||||||
177 | str | J m**-2 | |||||||||||||
0 | |||||||||||||||
5 | 194 | ||||||||||||||
5 | 1 | 1 | GG | ||||||||||||
178 | tsr | J | 228143 | cp | kg |||||||||||
m**-2 | 0 | ||||||||||||||
4 | |||||||||||||||
9 | |||||||||||||||
8 | 1 | GG | |||||||||||||
179 | ewss | ||||||||||||||
ttr | J | ||||||||||||||
m**-2 | |||||||||||||||
0 | |||||||||||||||
5 | |||||||||||||||
5 | |||||||||||||||
8 | 1 | GG | |||||||||||||
180 | lsp | ||||||||||||||
ewss | N | ||||||||||||||
m**-2 s | 0 | ||||||||||||||
2 | |||||||||||||||
62 | 1 | 1 | GG. | 142 | lsp | ||||||||||
181 | nsss | N m**-2 s | |||||||||||||
0 | |||||||||||||||
2 | |||||||||||||||
63 | 1 | 1 | 1 | ||||||||||||
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205 | 181 | nsss | |||||||||||||
ro | m | 2 | |||||||||||||
0 | 2 | ||||||||||||||
201 | 1 | 1 | GG. | 228144 | sf | ||||||||||
| ECMWF unit. | |||||||||||||||
228 | tp | m | |||||||||||||
0 | 1 | ||||||||||||||
193 | 1 | 1 | 1 | GG. | |||||||||||
| ECMWF unit. | |||||||||||||||
228216 | |||||||||||||||
fzra | m | ||||||||||||||
0 | 1 | ||||||||||||||
194 | 1 | 1 | 1 | GG. ECMWF unit. | |||||||||||
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| GG | 177 | str | ||||||||||
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| GG | 169 | ssrd | ||||||||||
| . WMO unit. Not yet supported by ExtremesDT IFS. | |||||||||||||||
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| GG | 175 | strd | ||||||||||
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| 1 | GG | ||||||||||||
| GG. WMO unit. Not yet supported by ExtremesDT IFS. | |||||||||||||||
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| GG | 179 | ttr | |||||||||||
| . WMO unit. Not yet supported by ExtremesDT IFS. | |||||||||||||||
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| 8 | 1 | |||||||||||||
| GG. WMO unit. Not yet supported by ExtremesDT IFS. |
Maximum encodings
Fields on a single level or surface
Atmosphere
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(levtype sfc)
Time resolution: Hourly max (step=0-1/1-2/2-3/.../95-96)Time resolution: hourly max.
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 | type Of Statistical Processing | local Tables Version | comments |
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| GG. |
Minimum encodings
There are no minimum encodings for this dataset.
Conversions
The conversion between the base parameter, mean and accumulation is as follows for relevant parameters:
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Inst paramId
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Mean paramId
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Accum paramId
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