Quite along lived altocumulus lenticularis cloud formation on the Nightcap Ranges 2 July 2025. This sequence is between 8am and 1pm, though it did persist until near sunset. From the McLeans Ridges webcam. Michael | Northern NSW Severe Weather

Yesterday, summit staff captured a timelapse of the development of lenticular clouds. Often appearing like a stack of pancakes or saucers, lenticulars typically form in stronger winds and downwind of a mountain range. When a strong flow of stable and sufficiently moist air hits a barrier, it produces standing waves to the lee of the barrier, in this case the Presidential Range. Within these standing waves, as the moist layer rises, it cools, causing water vapor to condense at the crest of the wa