It does update every 6 hours but it takes about 3-3.5 hours past the forecast time for the data to be made available for download, then to be downloaded, processed and ingested. So the 18:00z forecast is probably available at about 21:00-21:30z.
It does update every 6 hours but it takes about 3-3.5 hours past the forecast time for the data to be made available for download, then to be downloaded, processed and ingested. So the 18:00z forecast is probably available at about 21:00-21:30z.