Originally Posted by
CKBA
Relative humidity (which is always a bit of an odd (if useful) meterological measurement) got down to 12%
Originally Posted by
corporate-wage-slave
Headache territory, but not unusual when flying. I'd expect better from an A380, but not from a 777.
Why is a/c air at altitude so dry? Is it the engine bleed air having v low moisture content?