>>>southerly - definition of 'southerly' by the Free Online Dictionary ...
Coming or being from the south: southerly winds. n. pl. south·er·lies. A storm or wind coming from the south. south er·ly adv. southerly<<<

No ~~ she wants a warm breeze from the south, blowing 'southerly' [note the *adverbial* usage, which is what occurs in the song "Blow The Wind Southerly.

~Michael~