(Also spelled kosava, koschawa.) A cold, very squally wind
, descending from the east or southeast in the region of the Danube "Iron Gate" through the Carpathians, continuing westward over Belgrade, thence spreading northward to the Rumanian and Hungarian borderlands and southward as far as Nish.
In winter it brings temperatures down to below -29°C and it is cool even in summer, when it is also dusty. It usually occurs with a depression
over the Adriatic and high pressure over southern Russia, a frequent situation in winter. It is usually explained as a jet-effect wind
through the Iron Gate, giving speeds well above the gradient wind
, but J. Küttner (1940) regards it rather as a katabatic wind
intermediate between foehn
. The kossava has a marked diurnal
variation, with its maximum occurring between 5
Küttner, J. 1940. Der Kosava in Serbien. Meteor. Z. 57. 120–123.
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