Tornado Alley, USA - markhumpage
One of the best mammatus shows I have ever seen from storm chase trip 2007. Love the leaning sign. Olympus E3, 7-14mm

One of the best mammatus shows I have ever seen from storm chase trip 2007. Love the leaning sign. Olympus E3, 7-14mm

stormssupercelllightningsevere weathercloudsmark humpageolympus