Fig. 1. Visible band 1 cloud images of different weather (a) Cloudy; (b) Rainy; (c) Fair; (d) Typhoon

Fig. 2. Visible band 1 cloud images of different weather systems. (a) Snow; (b) Frontal surface; (c) Westerly jet; (d) Tropical cyclone

Fig. 3. Overall algorithm flow chart

Fig. 4. Residual 3D-2D convolution neural network

Fig. 5. After training, the distance of the anchor-positive decreases and the distance of the anchor-negative increases

Fig. 6. The effects of the hash code length on model performance

Fig. 7. Retrieval results of cloudy weather image

Fig. 8. Retrieval results of westerly jet cloud image