GFS model to be upgraded Wednesday Jan 14 at 12z.
All products to be replaced.
Pressure level data available Jan 13 12z - Jan 14 06z
GFS model upgrades at 12z.
Expect some products to be broken/missing while the upgrade process concludes during the day on Wednesday.
6-hourly forecasts will be provided initially and then selected (or most) variables 3-hourly later in the week.
From hours 252-384, data is provided every 12-hours.
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