Košava (pronounced [kɔ̌ʃaʋa]) is a cold, very squally southeastern wind found in Serbia and some nearby countries. It starts in the Carpathian Mountains and follows the Danube northwest through the Iron Gate region where it gains a jet effect, then continues to Belgrade. It can spread as far north as Hungary and as far south as Niš.
In the winter, it can cause temperatures to drop to around -30 °C. In the summer, it is cool and dusty. It varies diurnally, and is strongest between 5:00 and 10:00 in the morning. Košava is usually caused by a low pressure zone over the Adriatic Sea and a corresponding high pressure zone in southern Russia.
Speed and occurrence of the Košava wind have declined in the period 1949-2010. The same study showed that Košava usually lasts for 2 or 3 days, 1-day events being very rare.
- "Kossava". Glossary of Meteorology, Second Edition. American Meteorological Society. June 2000. Retrieved 2007-03-11.
- "Народни умотворения и вярвания: Вятър" (in Bulgarian). Родово наследство. Retrieved 2008-10-19.
- "Какво ще бъде времето утре" (in Bulgarian). Caves / Пещери. Retrieved 2008-10-19.
- Иванов, Иван Танев. "Речник на оригинални старобългарски и диалектни думи и думи, свързани с българската етнография (к-л-м)" (in Bulgarian). Страница за прабългарите. Retrieved 2008-10-19.
- Romanić et al. (2015). "Long-term trends of the ‘Koshava’ wind during the period 1949–2010". International Journal of Climatology 35 (3): 288–302. doi:10.1002/joc.3981. Retrieved 11 March 2015.
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