Jim was quiet for ten seconds. The radar was now painting a solid line of red across the final approach fix. The GPWS callout chimed softly: “ALTITUDE… ALTITUDE.”
“No ice here,” Jim said. “We made the right call.” meteorology atpl questions
“It’s a classic temperature inversion aloft with a shallow sub-zero surface layer,” Maya said, thinking out loud. “The cloud tops are warm—above zero—but the precipitation falls through a cold layer below. That’s supercooled droplets. On impact with the airframe…” She glanced at the wing anti-ice lights. Green. Still working. Jim was quiet for ten seconds
“Drinks are on me,” Jim said, unstrapping his harness. “But first: what’s the definition of a warm occlusion, and how does it differ from a cold occlusion?” “We made the right call
Jim keyed the intercom. “Rome Control, Speedbird 242. We are diverting to Naples. Request lower level, direct routing.”