Our fourth day of the course saw us heading back into Coire an t Sneachda to look at emergency shelters. We went to the moraines where the remains of an igloo gave us a little shelter for a snack. Then as we started to dig in the weather really took a turn for the worse with strong winds and drifting snow. The team all managed to disappear within about half an hour and then we headed up to windy col to get a bit more experience on slightly steeper ground. The plateau had reasonable visibilty but the gales helped us decide to head down the Cas ridge from 1141 to end or day. I was working for Glenmore Lodge today.