Before the new version, in the iOS app on iPhone but not on iPad, to select a location you had to touch the screen anywhere. The picker appeared in the top third of the screen as a flag in a fixed position and it was necessary to move the map under the picker to get the parameter value on the location.
I had heard from someone of the Windy team, that a fixed position of the picker was better because a big fingertip is not able to select precisely a location on a small screen. And by this way it was possible to hold your phone in one hand and to touch and scroll the map and timeline with only the thumb ! Try it, it works.
But I would like to know how many users do it like that. In any case this is not possible with a tablet which now use the same app as the phone.