He replied: It is an angel from Allaah's angels that is set over clouds & in whose hands is a mikhraaq (1) by which he drives clouds away, directing them where Allaah commands him.
They said: And what is that sound (of thunder) that we hear?
He said: It is the sound of his voice.
They said: You have spoken rightly.
Declared Hasan (i.e. agreeable) by Al-Albani in his Silsilat Al-Ahadeeth As-Sahihah (vol.4, p: 491)