Question id 328 - Meteorology - ATPL - Airline Transport Pilot license

Cold air aloft from which hail is falling into air that is warm.
Water droplets falling from cold air aloft with a temperature below 0°C into air with a temperature above 0�
An isothermal layer aloft with a temperature just above 0°C through which rain is falling.
Warm air aloft from which rain is falling into air with a temperature below 0°