Please follow https://mrms.nssl.noaa.gov/qvs/product_viewer/index.php?menu=/home/metop/web/specific/opv/menu_config.txt&time_mode=update&zoom=7&clon=-111.88671875&clat=33.778628949935054&base=0&overlays=3&mping_mode=0&product_type=crefls&product=CREF&opacity=1&looping_active=on&num_frames=12&frame_step=400&seconds_step=600.

Please follow https://mrms.nssl.noaa.gov/qvs/product_viewer/index.php?menu=/home/metop/web/specific/opv/menu_config.txt&time_mode=update&zoom=7&clon=-111.88671875&clat=33.778628949935054&base=0&overlays=3&mping_mode=0&product_type=crefls&product=CREF&opacity=1&looping_active=on&num_frames=12&frame_step=400&seconds_step=600.