Looks like this radar was set to "Clear Air Mode".
More information here: https://community.windy.com/topic/15030/strange-radar-circle-around-zagreb/ http://www.theweatherprediction.com/habyhints/239/
Looks like this radar was set to "Clear Air Mode".
More information here: https://community.windy.com/topic/15030/strange-radar-circle-around-zagreb/ http://www.theweatherprediction.com/habyhints/239/