Blue hour at Camp II
The cloud floor dropped below the basin while the eastern ridge arrived as a charcoal cutout.
Read observationExpedition 04 / Autumn line / 07–10 October
Weathermoves first.
A complete record of four days above timberline: route decisions, instruments, weather, equipment, and the observations that changed the plan.
Explore the route mapParty: E. Morrow / S. Vale / K. Ibarra
Objective: North ridge atmospheric transect
Elevation2,184 m
Pressure781 hPa
Visibility14 km
Temperature−2 °C
DecisionHold camp
Three decisions / one route
The record includes the turnarounds.
Field documentation is useful when it preserves uncertainty. These entries connect each observation to the location, weather, equipment, and decision it affected.
Tracks erased on the ridge
Wind crossed the turnaround threshold before the party reached the final pitch.
Read decisionBoulder Creek after rain
The return crossing remained below the orange mark, with the bridge sensor clear.
Read field note