Technology & Science

Rare Florida Freeze Forces Two-Day Slip of Artemis II Moonshot

Facing predawn forecasts below NASA’s 41 °F fueling threshold, managers bumped Artemis II’s earliest launch from 6 Feb to 8 Feb and shifted the wet-dress rehearsal two days later.

By Priya Castellano

Focusing Facts

  1. National Weather Service predicted lows near 20 °F and gusts up to 45 mph at Cape Canaveral for 31 Jan–1 Feb, exceeding multiple launch commit criteria.
  2. The rescheduled wet dress rehearsal on 2 Feb loaded and drained ~700,000 gal of liquid oxygen and hydrogen during a 49-hour countdown simulation ending T-33 sec.
  3. During the 2 Feb test, engineers halted liquid-hydrogen flow after leak concentrations at the tail service mast umbilical surpassed allowable limits.

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