A sirocco is a hot desert wind that blows northward from the Sahara toward the Mediterranean coast of Europe. More broadly, it is used for any kind of hot, oppressive wind.
She had begun by saying that it was coming over her, after all, that Rome was a ponderously sad place.
The sirocco was gently blowing, the air was heavy, she was tired, she looked a little pale.
— Henry James, Roderick Hudson, 1875