class: 0,1
class code: A,B,C,D,E,F,H
largest spot code: X,R,S,A,H,K
spot dist code: X,O,I,C
Activity: 1,2
Evolution: continuous
Previous 24 hour code: continuous
Historically-complex: 1,2
become complex: 1,2
Area: 1,2
Area of the largest spot: 1,2