UDC 551.576
Influence of atmospheric circulation anomalies on weather and climate in Georgia. / M.Tatishvili, Z.Khvedelidze, I.Samkharadze, A.Palavandishvili./ Scientific Reviewed Proceedings of the IHM, GTU. – 2021. – vol.131. – pp.56-58. - Eng g.; Abst.: Georg., Eng., Rus
The North Atlantic Oscillation (NAO) index has been discussed in presented article, which is based on the surface sea-level pressure difference between the Subtropical (Azores) High and the Subpolar Low. The positive phase of the NAO reflects below-normal heights and pressure across the high latitudes of the North Atlantic and above-normal heights and pressure over the central North Atlantic, the eastern United States and Western Europe. The NAO reflects changes in the position and strength of the North Atlantic polar front jet stream and has associated effects on the weather and climate of mid-to-high latitudes within and around the Atlantic. The more positive (negative) NAO/AO index represents stronger (weaker) airflow around the Northern Hemisphere and a jet stream that is shifted further north (south) over the North Atlantic.