Option 1: Drizzling - Drizzling is a light, steady rain that falls in very small droplets. This characteristic is not typically associated with convective rainfall. Convective rainfall is usually characterized by intense, heavy rain showers, often accompanied by thunder and lightning.

Option 2: Lightning and thunder - Convective rainfall is often accompanied by thunder and lightning. These weather phenomena are caused by the rapid upward movement of moist air, which generates electrical charges and leads to the development of thunderstorms. Therefore, this characteristic is commonly found in convective rainfall.

Option 3: Torrential rain - Convective rainfall is known for its intense precipitation rates. Torrential rain refers to heavy rainfall that falls in a short period of time. This characteristic is often associated with convective rainfall.

Option 4: Afternoon rain - Afternoon rain can occur in various types of rainfall, including convective rainfall. The heating of the Earth`s surface during the day can lead to the formation of convective clouds and trigger afternoon showers. Therefore, this characteristic can also be found in convective rainfall.

Based on the given options, option 1 (Drizzling) is the correct answer as it is not typically associated with convective rainfall.