Explanation of pictures of weather symbols_What does the second symbol at the bottom and right mean?

The weather symbols in the picture are not standard, and the general explanation is as follows

First row: the first pattern is "sunny"; the second pattern is "cloudy", and the third pattern is " Showers", the fourth is "overcast";

The second row: the first pattern is "cloudy/overcast"; the second is "light rain", the third is "heavy rain", the fourth The first pattern is "heavy rain";

The third row: the first pattern is "thunderstorm"; the second pattern is "thunder and lightning", the third pattern is "heavy snow", and the fourth pattern is "sleet" ;

The fourth row: the first pattern is "cloudy at night"; the second is "clear at night", the third is "sandstorm", and the fourth is "fog".

Weather symbols have national standards. The weather symbols stipulated in the national standard are shown in the figure below:

Weather symbols generally follow the national standard: "Weather Graphical Symbols for Public Meteorological Services" (GB /T 22164-2017?), this standard specifies the graphical representation and use of weather symbols for public meteorological services.