Private Pilot Licence · Mock exam

A warm moist airmass moving over a cold surface tends to produce:

• A.STABLE conditions: stratiform cloud, drizzle, fog, poor visibility, smooth flight but VFR-marginal
• B.Unstable convective conditions with towering cumulus and afternoon thunderstorms
• C.Severe low-level mechanical turbulence and strong gusty surface winds
• D.Snow at all levels as the moist air is rapidly cooled from above