Global Deterministic Prediction System (GDPS)
Black and White Charts†
- 00z production run, normally updated between 3:30 and 5:00 UTC, 12z production run, normally updated between 15:30 and 16:00 UTC
- Normally updated between 7:00 and 7:30, 19:00 and 19:30 UTC
†T+hh refers to the forecast’s time interval (hh), in hours, from the hour T of the model’s initial run time. The hour T is indicated, in Universal Time, at the top of each column.
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