During the countdown, formal weather briefings occur approximately as follows:
L-24 hr 0 min: Briefing for Flight Director and astronauts
L-21 hr 0 min: Briefing for removal of Rotating Service Structure
L-9 hr 00 min: Briefing for external tank fuel loading
L-4 hr 30 min: Briefing for Space Shuttle Launch Director
L-3 hr 55 min: Briefing for astronauts
L-2 hr [...]

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Located next to the airport on Graciosa Island, the ARM Mobile Facility’s comprehensive and sophisticated instrument suite will obtain atmospheric measurements from the marine boundary layer.

Today marks the beginning of a 20-month field campaign on Graciosa Island in the Azores to study the seasonal life cycle of marine clouds and how they modulate the global [...]

Continue reading " Mobile Facility Begins Marine Cloud Study in the Azores "