Winter 2022-23 [DJFDJF Meteorological Winter comprising the months of December, January & February] has been dominated to a large extent by a more intense Azores high than usual. This has kept things fairly mobile especially the north and has also provided a good deal of dry and quiet weather across southern parts, with increased numbers of overnight frost and fog. Anomalies have been generally between 4 and 8 hPahPa A Hectopascal is the SI unit of pressure and identical to the Millibar above the LTALTA Long Term Average. This is usually defined as a 30 year period by the WMO.. The only time the Azores high did relinquish its hold was in December of 2022, when the flow across IONAIONA Islands Of North Atlantic. Yes I know there's an island called Iona, but this is so I don't have to use the term 'British Isles' when referring to the whole of Ireland and the UK. reversed and we saw the only spell of anticyclonic easterlies we’ve seen so far this winter.
