Notification when customer requires more storage

As Ambassadors, we all receive notices when our customer's digitization is complete.  However, our notice doesn't alert us if the customer doesn't have sufficient storage to handle all the recent digitization.  I would like to be notified that my customer requires more storage in the email that is already sent to the Ambassador field.  It doesn't have to be customized with the amount required - we can all go to our back office and see that.  I'd just like to be tipped off that more storage is needed.