Austin Edwards Foehn cloud wall, south of Frisco, CO, Jan. 3, 2011. More information	Scott Christian-Dold Altocumulus lenticularis, plus cirrus, January 13th, 2011 at 3:41PM at the Eldora Ski Resort. More information	Bailey Leppek Altocumulus lenticularis, Boulder, CO, 1/13/2011 at 16:51. More information	Andrew Scholbrock Altostratus, Boulder CO, 1:17 PM on January 15, 2011. More information	Shane Schabow Cirrocumulus lenticularis undulatus above altocumulus lenticularis opacis above Foehn cloud wall, Boulder, CO, 4:30 pm, January 16, 2011 More information
John Berry Altocumulus lenticularis, the mountain wave cloud, January 18th at 13:28 More information	Bradley Samuels Altocumulus lenticularis, Boulder CO, January 24th at 3:50 PM. More information	Matthew Phee Contrails, altocumulus lenticularis, and cirrus fibratus. Superior, CO facing southeast towards Denver. 9:45 am on January 25, 2011. More information	Nathan Sheiko Altocumulus lenticularis, 11:14, January 28, 2011, Boulder CO. More information	Boris Lemattre Altocumulus lenticularis, Boulder CO. Noon, January 28th, 2011. More information
Andrew Beat A mountain wave cloud, with a possible contrail sneaking its way through. January 28, 2011 just before 1 PM. More information	Michael Vallejo Al tocumulus lenticularis, intersected by a contrail. Rocky Mountain Metropolitan Airport, January 28, 2011 at 1:18 PM. More information	Mad Hatter Justin Simmons Altocumulus lenticularis, Boulder CO, January 29th, 2011 at 5:07 pm. More information	Stefan Berkower Cumulus humilis form in cloud streets due to convective rolls over Nebraska, 3:30 pm on Sunday, February 6, 2011 More information	Cloud Flow from Flow Visualization @ CU Boulder. Matthew Campbell Time lapse film of altocumulus lenticularis and altostratus, January 16 and February 6 and 7, 2011. More information
Dominic Di Marco Altocumulus lenticularus, February 11, 2011 at 4:03 PM More information	Paul Mountford Altocumulus, perhaps lenticularis, Boulder CO, February 11th, 2011 at 6:00p.m. More information	Daniela Molina Piper Altocumulus lenticularis and firrus fibratus, Indian Peaks, Colorado, 1:30 pm, February 12, 2011. More information	Scarred: i stood in the forest looking at the sky perceiving solitude. a jet cut the sky in two. i went back to the city. Jonathan Crenshaw Cirrus, altostratus and contrail, Feb. 12, 2011 More information	Joshua Bourquin Altocumulus Lenticularis, February 12, 2011 at 4:30PM. More information
Shawn Noland Neutrally stable altostratus, Boulder CO, Feb 13, 2011, 3:30 pm. More information	Whale's Tail Lisa Logel Altocululus fractus, Boulder, CO, noon, February 14, 2011. More information	Tyler Coffey Mountain wave clouds, 5:26 PM on February 14, 2011. More information	John Goblirsch Cirrus fibratus radiatus, 11:50 AM, February 15, 2011. More information	Kyle Manhart Cirrus fibratus, Boulder, CO, noon, February 16, 2011. More information
Logan Meyer Cirrus spissattus, Boulder CO, 12:30 pm, February 16, 2011. More information	Shane Weigel Cirrus fibratus, Boulder CO, February 16, 2011 at 12:30 p.m. More information	Gary Velasquez Altocumulus and cirrus ucinus, Boulder, CO, 1:32 P.M. on the 16 th of February, 2011. More information	Cory Fuhrmeister Altocumulus lenticularis,1:55 PM, February 17th, 2011 More information	Nathan Gust Altocumulus lenticularis, 4:45 pm February 17th, 2011. More information
Steven Hendricks Mountain wave cloud that looks like a screaming woman. 5 pm, February 17, 2011 More information	Luna Rising Travis Ochsner Moon and altocumulus lenticularis, Boulder, CO, February 17th at about 5:30pm. More information	Jaewon Kim Altocumulus lenticularis, Boulder CO, altocumulusaltocumulus February 17, 5:45 pm. More information	Brittany Feddersen Mountain wave cloud with anticrepuscular rays, February 17th, 2011, 7 pm. More information	Matthew Feddersen Fractus mountain wave clouds, 12:52 pm on February 18, 2011. More information
Daniel Anson Mountain wave cloud, February 18, 2011 at 1:09 PM More information	Jared Hansford Altocumulus,Boulder, CO February 18, 2011 5 pm. More information	Gregory Kana Altocumulus stratiformis perlucidus, Boulder CO, February 18, 2011, 5:30 pm. More information	Davis Fogerty Altocumulus stratiformis undulatus, Feb 18, 2011, at 5:49pm More information	Andrew Bornstein Fractus mountain wave cloud, February 19th, 2011 at about 2:30 pm. More information
Kryztopher Tung Stratus fractus translucidus praecipitatio. Boulder, CO, 7 pm, February 19, 2011. More information	Scott Schollenberger Stratocumulus stratiformis, Nederland CO, February 19th, 2011 around 11 pm. More information	Andrew Carter Cirrus and fog (cumulus humilis), San Francisco on 2/20/2011 at 2:00 pm More information	Grant Meaux More information	Morning Inversion Timelapse from Flow Visualization @ CU Boulder. William Murray Morning inversion over Boulder, CO, time lapse. More information