Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...

Lenticular is the overarching name given to those lens-like, stationary clouds that form because of some sort of obstruction, such as a mountain, to a moist airflow.

A cloud formation seen over Washington's Mount Rainier led to speculation on social media about the active volcano venting. Park experts assured that it was not.

People began tweeting Wednesday around 10:30 a.m. about what appeared to be smoke coming out of Mount Rainier. The National Park Service later said it was a cloud. Skip Navigation. Share on Facebook; ...

A video of Mount Rainier shows a lenticular cloud hovering over it on Sept. 7, 2022. People on social media initially thought it was a sign of volcanic activity. Screengrab from Kristin Clark’s ...

A video of Mount Rainier shows a lenticular cloud hovering over it on Sept. 7, 2022. People on social media initially thought it was a sign of volcanic activity. Screengrab from Kristin Clark’s ...

A video of a cloud forming over Mount Rainier on Wednesday morning elicited cries of the coming ... and again at 10:47 a.m. saying that a lenticular cloud was forming above the mountain. ...

Lenticular clouds often form when moist air is pushed up and over the top of a mountain, forming a disc-shaped cloud. Mount Rainier has not produced a significant eruption in the past 500 years.

A video of Mount Rainier shows a lenticular cloud hovering over it on Sept. 7, 2022. People on social media initially thought it was a sign of volcanic activity. Screengrab from Kristin Clark’s ...

A video of Mount Rainier shows a lenticular cloud hovering over it on Sept. 7, 2022. People on social media initially thought it was a sign of volcanic activity. Screengrab from Kristin Clark’s ...