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Access test data for the NCAR/UCAR Weather Research and Forecasting (WRF) Model
About this Dataset
ECMWF has provided a static 3-days test dataset to run WRF model based on vtable.txt (see below).
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Data can be accessed from: ftp://ftp.ecmwf.int/public/wrf |
The data provided
- 0.1 degree resolution (~9km)
- from the deterministic (HRES) model:
- runs 00/12
- hourly time steps to step 90, 3-hourly to step 144, and 6-hourly to step 240.
- runs 06/18
- hourly time steps to step 90
- runs 00/12
- Table of the parameters included
More information
Further documentation about WRF
Dedicated user guide for WRF-ARW and for HWRF
The files are provided in a compressed tar.gz format, one per run. If you decompress the tar file, you will get 1 file per step ready to be used by WRF. This is the name format:
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ECMWF_<DATE>_<BASE_TIME>_<3_DIGIT_STEP>_<AREA>.grb |
For example, the file ECMWF_20180601_0000_europe.tar.gz contains:
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ECMWF_20180601_0000_000_europe.grb ECMWF_20180601_0000_001_europe.grb ECMWF_20180601_0000_002_europe.grb ECMWF_20180601_0000_003_europe.grb ... |
In case you need to manipulate the GRIB files, we recommend ecCodes. In particular you can use the grib_copy tool.
If you wish to trial further real-time data for up to 4-weeks for non-commercial and non-operational use, please open a ticket via the Support Portal.
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In order to download anonymously, please connect using anonymous (or ftp) and no password:
Or to download a file directly:
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| Parameter Name | Levels Provided | Name | Units | ||||||
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129 | GH | 100, 250, 500, 850, 1000 hPa | Geopotential Height | m | ||||||
130 | TT | 100, 250, 500, 850, 1000 hPa | Temperature | K | ||||||
131 | UU | 100, 250, 500, 850, 1000 hPa | U component of wind velocity | m/s | ||||||
132 | VV | 100, 250, 500, 850, 1000 hPa | V component of wind velocity | m/s | ||||||
157 | RH | 100, 250, 500, 850, 1000 hPa | Relative Humidity | % | ||||||
165 | 10U | Surface (10m) | U component of wind velocity | m/s | ||||||
166 | 10V | Surface (10m) | V component of wind velocity | m/s | ||||||
167 | 2T | Surface (2m) | 2m Temperature | K | ||||||
168 | 2D | Surface (2m) | 2m Dewpoint Temperature | K | ||||||
172 | LSM | Surface | Land Sea Mask | 0/1 Flag | ||||||
134 | SP | Surface | Surface Pressure | Pa | ||||||
151 | MSL | Surface | Mean Sea Level Pressure | Pa | ||||||
235 | SKT | Surface | Skin Temperature | K | ||||||
31 | CI | Surface | Sea Ice Fraction | fraction | ||||||
34 | SST | Surface | Sea Surface Temperature | K | ||||||
33 | RSN | Surface | Snow Density | kg/m3 | ||||||
141 | SD | Surface | Snow Depth | m of water equivalent | ||||||
139 | STL1 | Surface | Soil Temperature 0-7cm | K | ||||||
170 | STL2 | Surface | Soil Temperature 7-28cm | K | ||||||
183 | STL3 | Surface | Soil Temperature 28-100cm | K | ||||||
236 | STL4 | Surface | Soil Temperature 100-255cm | K | ||||||
39 | SWVL1 | Surface | Soil Moisture 0-7cm | m3 / m3 | ||||||
40 | SWVL2 | Surface | Soil Moisture 7-28cm | m3 / m3 | ||||||
41 | SWVL3 | Surface | Soil Moisture 28-100cm | m3 / m3 | ||||||
42 | SWVL4 | Surface | Soil Moisture 100-255cm | m3 / m3 |
The MARS retrieval scripts (for those with MARS archive access):
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retrieve, class = od, stream = oper, type = fc, expver = 0001, date = 20180601, time = 00/12, step = 0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/41/42/43/44/45/46/47/48/49/50/51/52/53/54/55/56/57/58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/73/74/75/76/77/78/79/80/81/82/83/84/85/86/87/88/89/90/93/96/99/102/105/108/111/114/117/120/123/126/129/132/135/138/141/144/150/156/162/168/174/180/186/192/198/204/210/216/222/228/234/240, area = 73.5/-27/33/45, #europe N/W/S/E area levtype = pl, levelist = 1000/850/500/250/100/50, param = 129.128/130.128/157.128/131.128/132.128, grid = 0.1/0.1, target = "ECMWF_PL_[DATE]_[TIME]_europe.grb" |
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retrieve, class = od, stream = oper, type = fc, expver = 0001, date = 20180601, time = 00/12, step = 0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/41/42/43/44/45/46/47/48/49/50/51/52/53/54/55/56/57/58/59/60/61/62/63/64/65/66/67/68/69/70/71/72/73/74/75/76/77/78/79/80/81/82/83/84/85/86/87/88/89/90/93/96/99/102/105/108/111/114/117/120/123/126/129/132/135/138/141/144/150/156/162/168/174/180/186/192/198/204/210/216/222/228/234/240, area = 73.5/-27/33/45, #europe N/W/S/E area levtype = sfc, param = 129.128/165.128/166.128/167.128/168.128/172.128/134.128/151.128/235.128/31.128/34.128/141.128/139.128/170.128/183.128/236.128/39.128/40.128/41.128/42.128/33.128, grid = 0.1/0.1, target = "ECMWF_SFC_[DATE]_[TIME]_europe.grb" |
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Support level for this datasetThis data is provided as a 'self-serve' - documentation is provided, but no support service. However, if the data seems broken or corrupt, please report it via our support portal and we will respond during normal office hours.
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