jgdas_atmos_gempak_master ecf (v17) Analysis

jgdas_atmos_gempak_master.ecf (GFS v17)

Branch / tenant: dev/gfs.v17 (gw_v17) Path: ecf/scripts/gdas/product/atmos/gempak/gempak/jgdas_atmos_gempak_master.ecf Analysis date: 2026-06-11

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Summary

GDAS counterpart of jgfs_atmos_gempak_master.ecf. Converts GDAS GRIB2 output to GEMPAK grids for the 9-hour GDAS forecast. Per-hour _master template. Calls JGDAS_ATMOS_GEMPAK.

Resources

Field	Value
PBS	1 node, 2 cpus, 4 GB, 5-min wall, shared
Modules	load_modules.sh run
J-Job	JGDAS_ATMOS_GEMPAK
Template	_master (per forecast hour, f000-f009)
Key exports	WGF, FHR3, FHR_LIST, COMPONENT

Key differences from GFS counterpart

• Much smaller: 2 cpus vs 28 cpus (GDAS only produces 9 hours vs GFS 384).
• 5-min wall vs 20 min (fewer grids/hours to process).
• GDAS-specific J-Job: JGDAS_ATMOS_GEMPAK (not the shared JGFS_ATMOS_GEMPAK).

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Sources

• On-disk v17: ecf/scripts/gdas/product/atmos/gempak/gempak/jgdas_atmos_gempak_master.ecf.