Red Mammatus Clouds Over NYC

Last week there was a very unusual cloud formation over New York City. These pouch-like clouds, known as mammatus clouds, looked very ominous. Evidently, they sometimes appear after a thunderstorm has passed. This picture was taken from my apartment window around sunset.

Clouds on a breezy day

Photo info:
Canon 5D @ 44mm with 24-70mm f/2.8L lens, 1/800 sec., f/8.0, ISO 100, manual mode, high contrast black and white conversion