Beginnings of this are now up on both the main weather dashboard and the webcams pages:
There is a link under each webcam image that will pop up an animated GIF with the last 15 minutes on loop (roughly 1 frame per minute, as long as we have every image in the last 15 minutes). The script will look at all of the most recent images for the current day. You will get an animation as long as the following are true:
- There are at least 15 webcam images for the current day
- The oldest one of the last 15 images isn’t more than an hour old (so you’ll still get something even if there are big gaps in the last several images)
I will be looking into other image compression methods to get the file size down, which will allow going farther back (since your example says 2 hours).