07/31/2009 05:12 am ET | Updated May 25, 2011

Mammatus Clouds Turn NYC Sky Orange After Thunderstorm (VIDEO)

New Yorkers this weekend snapped photos and shot video of the sky last weekend after rare clouds, resulting from moist air and dry air mixing after a thunderstorm, turned the sky orange.

The clouds, described as "strange, pink popcorn clouds," are called 'mamatis' clouds.

Watch the report below.