@Ondřej-Šutera On google maps the zoom can be controlled by double tapping, on the second tap you hold the screen then swipe up to zoom out or swipe down to zoom in, and if you release mid swipe it will continue zooming as if it had momentum.

As the title states can y'all implement a layer for icing severity and sld threat for selected altitudes and future forecasts like what noaa has available on their website https://aviationweather.gov/icing/fip