It is a psalm for the storm-tossed soul. V1&2 is a call to worship V3 the storm is rolling in. V5 In the north v7 lightning and thunder etc. It ends with assurance that God is in the storm…”the Lord sits enthroned over the flood; the Lord sits enthroned as king for ever. May the Lord give strength to his people! May the Lord bless his people with peace.”