This week one evening rainshower offered a possibility to photography.
FMI testbed map provided radar data to follow movement of rainshower, useful application indeed. Most importantly, it is free !
First image was taken with Sigma 4.5/2.8 lens, attached to Nikon D200. It was difficult to get the composition as you want it to be...

The image below, is taken with same D200 and diagonal fisheye (10.5mm/2.8 Nikon). This is the image I like most...

Soon the whole rainshower has passed by, and only parts of the bow are visible...