jgdas_fcst_fsm ecf (v17) Analysis

jgdas_fcst_fsm.ecf (GFS v17)

Branch / tenant: dev/gfs.v17 (gw_v17) Path: ecf/scripts/gdas/forecast/jgdas_fcst_fsm.ecf Analysis date: 2026-06-11

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Summary

GDAS Forecast Segmentation Manager. Coordinates multi-segment GDAS forecast execution (9-hour forecast). Same JGLOBAL_FSM J-Job as GFS but with shorter walltime reflecting the shorter GDAS forecast.

Resources

Field	Value
PBS	1 node, 1 cpu, 20 GB, 40-min wall (vs GFS 6hr), shared
Modules	Direct: intel, craype (minimal)
J-Job	JGLOBAL_FSM (shared)
Exports	RJN="%RJN%"

Key differences from GFS counterpart

• 40-min walltime vs 6 hours — GDAS forecast is only 9 hours (vs GFS 384).
• Same shared JGLOBAL_FSM J-Job.

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Sources

• On-disk v17: ecf/scripts/gdas/forecast/jgdas_fcst_fsm.ecf.