Call Lightning - Conjuration

Stormcloud in shape of cylinder 10ft tall 60ft radi-
us centered on a point you can see within range d-
irectly above. Fails if you can't see a place for it to
appear. Upon casting, choose a point under the st-
ormcloud, lightning flashes down to that point, cr-
eatures within 5ft make a dex saving throw, 3d10
on a fail, half on a success. Each turn until the sp-
ell ends, you can use your action to call lightning
again. If stormy upon casting, gain control of the
existing storm, increasing dama