Then flew four parallel north-south flight legs of about 280 km in length, offset by 40 km, starting from the east of the ice station and ending over the station. The ER-2 overflew the ARM site on the return to Ft. The AirMISR was scheduled for six runs, twice over the ice station and four times during the parallel flight legs. All six runs failed for unknown reasons. The ER-2 pilot reported solid undercast cloud cover over the entire mission.
Extensive clouds cover over the ice station in the morning report.
Satellite imagery showed cloud tops around 3-3.5 km. Light surface winds out of the southwest at 5 kts. A band of cirrus running southwest to northeast was expected to move over the ER-2 operations area during the morning, with thinner cirrus likely in the eastern flight legs. The cirrus was associated with a low to the northwest of the ice station.