Yesterday it wasn’t clear from the data whether UV had begun his migration or was having an Easter outing. In 2016 he didn’t have any jaunts before he migrated and today’s data proves he is on his way back to the UK. This graphic by Paul shows the significant altitude gain UV made when he reached the the desert, thanks to thermal lift. He went from well under 1000m ASL to over 2300m ASL within a few minutes.
UV’s crosswind soaring reached altitudes in excess of 3000m ASL which is very high for a migrating osprey over the coastal desert. Clearly he was getting good assistance from the conditions and his rapid progress on Friday – he travelled 239 km despite not setting off until after 13,00 – reflects this. His maximum speed yesterday was 79 kph.
The last fix today was at 11.17 UTC NE of Nouakchott, the capital of Mauritania. So far he has flown 484 km since setting out from the Langue de Barbarie. There’ll be another post tonight with a bit more detail about his travel. Meanwhile here is the overview of his route.