To (cause to) separate and go in different directions; to disperse.

“The crowd scattered in terror.”

To distribute loosely as by sprinkling.

“Her ashes were scattered at the top of a waterfall.”

To deflect (radiation or particles).

Seemingly randomly distributed.

(of clouds) covering three eighths to four eighths of the sky.

(of precipitation) affecting 30 percent to 50 percent of a forecast zone.