Are Sol and Fable lucrative? I suspect they also are valuable (to clients) but not lucrative (yet).

Trade agricultural futures based on it maybe?

I've always assumed that insurance and/or government departments that would spend money due to storms would be the ones funneling money to these sorts of efforts. It's not exactly something you can easily sell directly to individuals who would benefit. It would be pretty dystopian for them to sell subscriptions for an extra 24 hrs notice on the next typhoon :P