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Add 500 hPa geopotential height variable to GEFS datasets #490

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Merged
aldenks merged 6 commits into from
Mar 6, 2026
Merged

Add 500 hPa geopotential height variable to GEFS datasets #490

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05504e9
Add 500 hPa geopotential height to GEFS analysis and forecast datasets
claude Mar 6, 2026
cd452ce
Add integration tests for geopotential_height_500hpa download and rea…
claude Mar 6, 2026
e251f8a
Add geopotential_height_500hpa to GEFS analysis and forecast datasets
claude Mar 6, 2026
8dc9d09
Fix slow tests to handle vars missing from older GEFS periods
claude Mar 6, 2026
16b3306
Fix reforecast 0.5deg files and add explicit missing-var allow-lists
claude Mar 6, 2026
7d546c2
Address PR review comments on GEFS geopotential height PR
aldenks Mar 6, 2026
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84 changes: 84 additions & 0 deletions ...eformatters/noaa/gefs/analysis/templates/latest.zarr/geopotential_height_500hpa/zarr.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,84 @@
{
"shape": [
1,
721,
1440
],
"data_type": "float32",
"chunk_grid": {
"name": "regular",
"configuration": {
"chunk_shape": [
2880,
384,
384
]
}
},
"chunk_key_encoding": {
"name": "default",
"configuration": {
"separator": "/"
}
},
"fill_value": 0.0,
"codecs": [
{
"name": "sharding_indexed",
"configuration": {
"chunk_shape": [
1440,
32,
32
],
"codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "blosc",
"configuration": {
"typesize": 4,
"cname": "zstd",
"clevel": 3,
"shuffle": "shuffle",
"blocksize": 0
}
}
],
"index_codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "crc32c"
}
],
"index_location": "end"
}
}
],
"attributes": {
"long_name": "Geopotential height",
"short_name": "gh",
"standard_name": "geopotential_height",
"units": "m",
"step_type": "instant",
"coordinates": "spatial_ref",
"_FillValue": "AAAAAAAA+H8="
},
"dimension_names": [
"time",
"latitude",
"longitude"
],
"zarr_format": 3,
"node_type": "array",
"storage_transformers": []
}
84 changes: 84 additions & 0 deletions src/reformatters/noaa/gefs/analysis/templates/latest.zarr/zarr.json
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Original file line number Diff line number Diff line change
Expand Up @@ -521,6 +521,90 @@
"node_type": "array",
"storage_transformers": []
},
"geopotential_height_500hpa": {
"shape": [
1,
721,
1440
],
"data_type": "float32",
"chunk_grid": {
"name": "regular",
"configuration": {
"chunk_shape": [
2880,
384,
384
]
}
},
"chunk_key_encoding": {
"name": "default",
"configuration": {
"separator": "/"
}
},
"fill_value": 0.0,
"codecs": [
{
"name": "sharding_indexed",
"configuration": {
"chunk_shape": [
1440,
32,
32
],
"codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "blosc",
"configuration": {
"typesize": 4,
"cname": "zstd",
"clevel": 3,
"shuffle": "shuffle",
"blocksize": 0
}
}
],
"index_codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "crc32c"
}
],
"index_location": "end"
}
}
],
"attributes": {
"long_name": "Geopotential height",
"short_name": "gh",
"standard_name": "geopotential_height",
"units": "m",
"step_type": "instant",
"coordinates": "spatial_ref",
"_FillValue": "AAAAAAAA+H8="
},
"dimension_names": [
"time",
"latitude",
"longitude"
],
"zarr_format": 3,
"node_type": "array",
"storage_transformers": []
},
"geopotential_height_cloud_ceiling": {
"shape": [
1,
Expand Down
19 changes: 19 additions & 0 deletions src/reformatters/noaa/gefs/common_gefs_template_config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -474,6 +474,25 @@ def get_shared_data_var_configs(
keep_mantissa_bits=8,
),
),
GEFSDataVar(
name="geopotential_height_500hpa",
encoding=encoding_float32,
attrs=DataVarAttrs(
short_name="gh",
long_name="Geopotential height",
units="m",
step_type="instant",
standard_name="geopotential_height",
),
internal_attrs=GEFSInternalAttrs(
grib_element="HGT",
grib_description='50000[Pa] ISBL="Isobaric surface"',
grib_index_level="500 mb",
gefs_file_type="a",
index_position=31,
keep_mantissa_bits=11,
),
),
GEFSDataVar(
name="downward_short_wave_radiation_flux_surface",
encoding=encoding_float32,
Expand Down
92 changes: 92 additions & 0 deletions ...ters/noaa/gefs/forecast_35_day/templates/latest.zarr/geopotential_height_500hpa/zarr.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,92 @@
{
"shape": [
1,
31,
181,
721,
1440
],
"data_type": "float32",
"chunk_grid": {
"name": "regular",
"configuration": {
"chunk_shape": [
1,
31,
192,
374,
368
]
}
},
"chunk_key_encoding": {
"name": "default",
"configuration": {
"separator": "/"
}
},
"fill_value": 0.0,
"codecs": [
{
"name": "sharding_indexed",
"configuration": {
"chunk_shape": [
1,
31,
64,
17,
16
],
"codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "blosc",
"configuration": {
"typesize": 4,
"cname": "zstd",
"clevel": 3,
"shuffle": "shuffle",
"blocksize": 0
}
}
],
"index_codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "crc32c"
}
],
"index_location": "end"
}
}
],
"attributes": {
"long_name": "Geopotential height",
"short_name": "gh",
"standard_name": "geopotential_height",
"units": "m",
"step_type": "instant",
"coordinates": "expected_forecast_length ingested_forecast_length spatial_ref valid_time",
"_FillValue": "AAAAAAAA+H8="
},
"dimension_names": [
"init_time",
"ensemble_member",
"lead_time",
"latitude",
"longitude"
],
"zarr_format": 3,
"node_type": "array",
"storage_transformers": []
}
92 changes: 92 additions & 0 deletions src/reformatters/noaa/gefs/forecast_35_day/templates/latest.zarr/zarr.json
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Original file line number Diff line number Diff line change
Expand Up @@ -676,6 +676,98 @@
"node_type": "array",
"storage_transformers": []
},
"geopotential_height_500hpa": {
"shape": [
1,
31,
181,
721,
1440
],
"data_type": "float32",
"chunk_grid": {
"name": "regular",
"configuration": {
"chunk_shape": [
1,
31,
192,
374,
368
]
}
},
"chunk_key_encoding": {
"name": "default",
"configuration": {
"separator": "/"
}
},
"fill_value": 0.0,
"codecs": [
{
"name": "sharding_indexed",
"configuration": {
"chunk_shape": [
1,
31,
64,
17,
16
],
"codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "blosc",
"configuration": {
"typesize": 4,
"cname": "zstd",
"clevel": 3,
"shuffle": "shuffle",
"blocksize": 0
}
}
],
"index_codecs": [
{
"name": "bytes",
"configuration": {
"endian": "little"
}
},
{
"name": "crc32c"
}
],
"index_location": "end"
}
}
],
"attributes": {
"long_name": "Geopotential height",
"short_name": "gh",
"standard_name": "geopotential_height",
"units": "m",
"step_type": "instant",
"coordinates": "expected_forecast_length ingested_forecast_length spatial_ref valid_time",
"_FillValue": "AAAAAAAA+H8="
},
"dimension_names": [
"init_time",
"ensemble_member",
"lead_time",
"latitude",
"longitude"
],
"zarr_format": 3,
"node_type": "array",
"storage_transformers": []
},
"geopotential_height_cloud_ceiling": {
"shape": [
1,
Expand Down
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