This is a first draft portfolio provided ahead of the release of Phase 2 data - which is expected for Q3 2026 - and so is subject to change. The Extremes DT data catalogue will be updated as the data is released. |
Parameters forming part of the Extremes Digital Twin (DT) for Phase 2 are detailed here.
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 and no change from encoding in Phase 1 |
| Parameter ready but changes for encoding in Phase 2 |
Contents:
sfc)Time resolution: Hourly (step=0/1/2/.../96).
param Id | name | short Name | units | discipline | parameter Category | parameter Number | type Of Level | level | type Of Statistical Processing | comments |
|---|---|---|---|---|---|---|---|---|---|---|
31 | ci | (0 - 1) | 10 | 2 | 0 | surface | - | GG | ||
34 | sst | K | 10 | 3 | 0 | surface | - | GG | ||
78 | tclw | kg m**-2 | 0 | 1 | 69 | entireAtmosphere | - | GG | ||
134 | sp | Pa | 0 | 3 | 0 | surface | - | GG | ||
136 | tcw | kg m**-2 | 0 | 1 | 51 | entireAtmosphere | - | GG | ||
137 | tcwv | kg m**-2 | 0 | 1 | 64 | entireAtmosphere | - | GG | ||
151 | msl | Pa | 0 | 3 | 0 | meanSea | - | GG | ||
165 | 10u | m s**-1 | 0 | 2 | 2 | heightAboveGround | 10 | GG | ||
166 | 10v | m s**-1 | 0 | 2 | 3 | heightAboveGround | 10 | GG | ||
167 | 2t | K | 0 | 0 | 0 | heightAboveGround | 2 | GG | ||
168 | 2d | K | 0 | 0 | 6 | heightAboveGround | 2 | GG | ||
235 | skt | K | 0 | 0 | 17 | surface | - | GG | ||
3020 | vis | m | 0 | 19 | 0 | heightAboveGround | 10 | GG | ||
228029 | i10fg | m s**-1 | 0 | 2 | 22 | heightAboveGround | 10 | GG | ||
228050 | litoti | km**-2 day**-1 | 0 | 17 | 4 | entireAtmosphere | - | GG. | ||
228218 | crr | kg m**-2 s**-1 | 0 | 1 | 76 | surface | - | GG | ||
228219 | lsrr | kg m**-2 s**-1 | 0 | 1 | 77 | surface | - | GG | ||
228221 | lssfr | kg m**-2 s**-1 | 0 | 1 | 56 | surface | - | GG. | ||
228235 | mucape | J kg**-1 | 0 | 7 | 6 | mostUnstableParcel | - | GG. Used rather than 59; cape, which is phased out. | ||
260015 | ptype | code table (4.201) | 0 | 1 | 19 | surface | - | GG |
sfc)Time resolution: Hourly (step=0/1/2/.../96).
param Id | name | short Name | units | discipline | parameter Category | parameter Number | type Of Level | level | type Of Statistical Processing | comments |
|---|---|---|---|---|---|---|---|---|---|---|
140221 | mp2 | s | 10 | 0 | 28 | surface | - | GG | ||
140229 | swh | m | 10 | 0 | 3 | surface | - | GG | ||
140230 | mwd | degrees | 10 | 0 | 14 | surface | - | GG | ||
140231 | pp1d | s | 10 | 0 | 34 | surface | - | GG | ||
140232 | mwp | s | 10 | 0 | 15 | surface | - | GG |
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)
param Id | name | short Name | units | discipline | parameter Category | parameter Number | type Of Level | level | type Of Statistical Processing | comments |
|---|---|---|---|---|---|---|---|---|---|---|
| 129 | Geopotential | z | m**2 s**-2 | 0 | 3 | 4 | isobaricInhPa | <as-above> | GG. At surface this is orography. | |
130 | t | K | 0 | 0 | 0 | isobaricInhPa | <as-above> | GG | ||
131 | u | m s**-1 | 0 | 2 | 2 | isobaricInhPa | <as-above> | GG | ||
132 | v | m s**-1 | 0 | 2 | 3 | isobaricInhPa | <as-above> | GG | ||
133 | q | kg kg**-1 | 0 | 1 | 0 | isobaricInhPa | <as-above> | GG | ||
157 | r | % | 0 | 1 | 1 | isobaricInhPa | <as-above> | GG |
hl)Time resolution: Hourly (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 Level | level | type Of Statistical Processing | comments |
|---|---|---|---|---|---|---|---|---|---|---|
131 | u | m s**-1 | 0 | 2 | 2 | heightAboveGround | 100 | GG | ||
132 | v | m s**-1 | 0 | 2 | 3 | heightAboveGround | 100 | GG |
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 Level | level | type Of Statistical Processing | comments |
|---|---|---|---|---|---|---|---|---|---|---|
235326 | avg_litoti | km**-2 day**-1 | 0 | 17 | 4 | entireAtmosphere | - | 0 | GG. |
sfc)Time resolution: Hourly accumulations since the start of the forecast (step=0-1/1-2/2-3/.../95-96).
param Id | name | short Name | units | discipline | parameter Category | parameter Number | type Of Level | level | type Of Statistical Processing | comments |
|---|---|---|---|---|---|---|---|---|---|---|
3062 | lsp | kg m**-2 | 0 | 1 | 54 | surface | - | 1 | GG. 142 → 3062 | |
228144 | sf | kg m**-2 | 0 | 1 | 53 | surface | - | 1 | GG. | |
169 | ssrd | J m**-2 | 0 | 4 | 7 | surface | - | 1 | GG | |
175 | strd | J m**-2 | 0 | 5 | 3 | surface | - | 1 | GG | |
176 | ssr | J m**-2 | 0 | 4 | 9 | surface | - | 1 | GG | |
177 | str | J m**-2 | 0 | 5 | 5 | surface | - | 1 | GG | |
178 | tsr | J m**-2 | 0 | 4 | 9 | nominalTop | - | 1 | GG | |
179 | ttr | J m**-2 | 0 | 5 | 5 | nominalTop | - | 1 | GG | |
180 | ewss | N m**-2 s | 0 | 2 | 62 | surface | - | 1 | GG. | |
181 | nsss | N m**-2 s | 0 | 2 | 63 | surface | - | 1 | GG. | |
231002 | rowe | kg m**-2 | 2 | 0 | 42 | surface | - | 1 | GG. 205 → 231002 | |
228228 | tp | kg m**-2 | 0 | 1 | 52 | surface | - | 1 | GG. 228 → 228228 | |
231001 | fzrawe | kg m**-2 | 0 | 1 | 67 | surface | - | 1 | GG. 228216 → 231001 |