 The bora is significantly conditioned by wind gaps in the Dinaric Alps bringing cold and dry continental air—the point where it reaches its peak speed is at Senj, with gusts of up to .The jugo brings humid and warm air, often carrying Saharan sand that causes rain dust.In the Early Middle Ages, after the decline of the Roman Empire, the Adriatic coasts of the region were ruled by Ostrogoths, Lombards, and the Byzantine Empire.