Yes, upgrading is possible at any time for all Forecast Subscriptions.

To upgrade using the Forecast Website, log into your PredictWind Forecast Account.

Select the Settings Wheel (top right) and then choose > Billing from the drop-down box, then click on >Change Subscription and make your selection.

Any unused portion of your current subscription is automatically applied as a discount when you upgrade. During the upgrade process, your subscription type is changed with immediate effect.
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