Skywrite

2nd-level transmutation (ritual)
Casting time: 1 action
Range: Sight
Target: --
Components: V S
Duration: Concentration, up to 1 hour
Classes: Artificer, Bard, Druid, Wizard
Subclasses:

You cause up to ten words to form in a part of the sky you can see. The words appear to be made of cloud and remain in place for the spell's duration. The words dissipate when the spell ends. A strong wind can disperse the clouds and end the spell early.