atmospheric state

NOUN
17 LETTERS · STARTS WITH A

atmospheric state is a valid 17-letter word worth 25 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1T1M3O1S1P3H4E1R1I1C3S1T1A1T1E1
1 + 1 + 3 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does atmospheric state mean?