What's the difference between aeromancy and meteoromancy?

Aeromancy

Definition:

(n.) Divination from the state of the air or from atmospheric substances; also, forecasting changes in the weather.

Example Sentences:

(1) Examination of 286 chlorinated samples collected between July and October showed that 19% of otherwise uncontaminated waters contained Aerom.

Definition:

(n.) A species of divination by meteors, chiefly by thunder and lightning, which was held in high estimation by the Romans.

Example Sentences: