
Overview
Late Thursday night, residents of the White Mountains in New Hampshire captured a striking, saucer‑shaped cloud that quickly circulated on social media as a possible UFO. The video, posted by a local hiking group, shows a smooth, circular formation hovering above the ridge line before drifting eastward with the wind. WMUR’s news team aired the clip on its “Nowcast” segment, prompting a flurry of comments and speculation from viewers across the state. Within hours, the station reached out to meteorologists for an expert explanation.
Meteorological Explanation
According to Dr. Laura M. Henderson, a senior atmospheric scientist with the National Weather Service in Boston, the phenomenon is a lenticular cloud, a type of stationary cloud that often takes on a lens‑shaped or even UFO‑like appearance. “When stable, moist air flows over a mountain range, it can create a standing wave in the atmosphere,” Henderson explained. “If the temperature and humidity at the crest of that wave are right, the water vapor condenses into a smooth, layered cloud that remains relatively fixed in shape.”
The White Mountains’ steep slopes and prevailing westerly winds provide ideal conditions for such wave formation. Lenticular clouds are common over mountainous terrain worldwide, appearing regularly over the Rocky Mountains, the Andes, and even the Scottish Highlands. Their distinctive, polished look can be misleading to the untrained eye, especially when illuminated by moonlight or captured on low‑light video.
Public Reaction
The video sparked a wave of online chatter, with hashtags like #NHUFO and #LenticularCloud trending on regional Twitter feeds. Some commenters expressed excitement at the prospect of an extraterrestrial sighting, while others urged caution. “Looks like something out of a sci‑fi movie, but I’m glad we have experts to set the record straight,” wrote one user. Local officials received a handful of inquiries, and the New Hampshire Department of Safety confirmed that no air‑space violations were reported in the area at the time of the sighting.
Historical Context
Lenticular clouds have a long history of being mistaken for unidentified flying objects. In the 1950s, a series of similar sightings over the Pacific Northwest prompted the U.S. Air Force’s Project Blue Book to catalog numerous “UFO‑type” clouds, many of which were later identified as lenticular formations. More recently, a 2022 incident over the Sierra Nevada received comparable attention, reinforcing the pattern that atmospheric optics often fuel UFO narratives. Experts emphasize that understanding these natural processes helps demystify such events and reduces unnecessary alarm.
What’s Next
Meteorologists will continue to monitor the region’s weather patterns, especially as a cold front moves in later this week, potentially creating additional wave clouds. WMUR plans to air a follow‑up segment with Dr. Henderson, offering viewers tips on how to differentiate lenticular clouds from other aerial phenomena. For residents and hikers, the episode serves as a reminder that nature can produce spectacular visual effects that, while extraordinary, are well within the bounds of atmospheric science.


