Yes, METEORIC is a Scrabble word!

Letter values in Scrabble US: M 3, E 1, T 1, E 1, O 1, R 1, I 1, C 3.

Is it a valid word?

METEORIC is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

of or pertaining to atmospheric phenomena, especially weather and weather conditions
pertaining to or consisting of meteors or meteoroids
like a meteor in speed or brilliance or transience