CNN CNNI Simulcast March 6, 2015 06:55:00
We often see this set up in the wintertime, across the balkan peninsula, thanks to a strong ridge of high pressure across central europe and a weaker low, moving across southern italy. this is forming north to northeast of the wind coming off of a mountain range that's right along the coast of croatia. think of this as almost a river or a dammed up river. we get this cold dense air forming behind this mountain range, and this is actually called the dinar mountains. even eventually it funnels right down the mountainside speeding up as it does so reaching hurricane force strength along the coast...
Source: archive.org