The Collaborative International Dictionary of English v.0.48:

Squall \Squall\, v. i. [imp. & p. p. Squalled (skw[add]ld); p.
   pr. & vb. n. Squalling.] [Icel. skvala. Cf. Squeal.]
   To cry out; to scream or cry violently, as a woman
   frightened, or a child in anger or distress; as, the infant
   squalled.
   [1913 Webster]