تكرار المنظومات الضغطية القطبية على جنوب العراق

Abstract

      Polar systems are more frequent in the winter season on southern Iraq because of the increase in the momentum of their energy from the areas of source and increase the momentum of the momentum of the areas passing by, being cold areas also does not make the cold polar systems lose their capacity and cold load a large amount because of cold In this way, the frequency of polar systems was studied in eleven years, for morning and evening observations and for surface level (1000) millibars.