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Austin Edwards
Foehn cloud wall, south of Frisco, CO, Jan. 3, 2011. More information | ![](thumbs15498.jpg)
Scott Christian-Dold
Altocumulus lenticularis, plus cirrus, January 13th, 2011 at 3:41PM at the Eldora Ski Resort. More information | ![](thumbs15525.jpg)
Bailey Leppek
Altocumulus lenticularis, Boulder, CO, 1/13/2011 at 16:51. More information | ![](thumbs15550.jpg)
Andrew Scholbrock
Altostratus, Boulder CO, 1:17 PM on January 15, 2011. More information | ![](thumbs15548.jpg)
Shane Schabow
Cirrocumulus lenticularis undulatus above altocumulus lenticularis opacis above Foehn cloud wall, Boulder, CO, 4:30 pm, January 16, 2011 More information |
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John Berry
Altocumulus lenticularis, the mountain wave cloud, January 18th at 13:28 More information | ![](thumbs15545.jpg)
Bradley Samuels
Altocumulus lenticularis, Boulder CO, January 24th at 3:50 PM. More information | ![](thumbs15543.jpg)
Matthew Phee
Contrails, altocumulus lenticularis, and cirrus fibratus. Superior, CO facing southeast towards Denver. 9:45 am on January 25, 2011. More information | ![](thumbs15561.jpg)
Nathan Sheiko
Altocumulus lenticularis, 11:14, January 28, 2011, Boulder CO. More information | ![](thumbs15524.jpg)
Boris Lemattre
Altocumulus lenticularis, Boulder CO. Noon, January 28th, 2011. More information |
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Andrew Beat
A mountain wave cloud, with a possible contrail sneaking its way through. January 28, 2011 just before 1 PM. More information | ![](thumbs15572.jpg)
Michael Vallejo
Al tocumulus lenticularis, intersected by a contrail. Rocky Mountain Metropolitan Airport, January 28, 2011 at 1:18 PM. More information | ![](thumbs15564.jpg) Mad Hatter Justin Simmons
Altocumulus lenticularis, Boulder CO, January 29th, 2011 at 5:07 pm. More information | ![](thumbs15486.jpg)
Stefan Berkower
Cumulus humilis form in cloud streets due to convective rolls over Nebraska, 3:30 pm on Sunday, February 6, 2011 More information | ![](thumbs16849.jpg)
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 |
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Dominic Di Marco
Altocumulus lenticularus, February 11, 2011 at 4:03 PM More information | ![](thumbs15537.jpg)
Paul Mountford
Altocumulus, perhaps lenticularis, Boulder CO, February 11th, 2011 at 6:00p.m. More information | ![](thumbs15536.jpg)
Daniela Molina Piper
Altocumulus lenticularis and firrus fibratus, Indian Peaks, Colorado, 1:30 pm, February 12, 2011. More information | ![](thumbs15501.jpg) 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 | ![](thumbs15492.jpg)
Joshua Bourquin
Altocumulus Lenticularis, February 12, 2011 at 4:30PM. More information |
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Shawn Noland
Neutrally stable altostratus, Boulder CO, Feb 13, 2011, 3:30 pm. More information | ![](thumbs15528.jpg) Whale's Tail Lisa Logel
Altocululus fractus, Boulder, CO, noon, February 14, 2011. More information | ![](thumbs15500.jpg)
Tyler Coffey
Mountain wave clouds, 5:26 PM on February 14, 2011. More information | ![](thumbs15516.jpg)
John Goblirsch
Cirrus fibratus radiatus, 11:50 AM, February 15, 2011. More information | ![](thumbs15529.jpg)
Kyle Manhart
Cirrus fibratus, Boulder, CO, noon, February 16, 2011. More information |
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Logan Meyer
Cirrus spissattus, Boulder CO, 12:30 pm, February 16, 2011. More information | ![](thumbs15576.jpg)
Shane Weigel
Cirrus fibratus, Boulder CO, February 16, 2011 at 12:30 p.m. More information | ![](thumbs15574.jpg)
Gary Velasquez
Altocumulus and cirrus ucinus, Boulder, CO, 1:32 P.M. on the 16 th of February, 2011. More information | ![](thumbs15512.jpg)
Cory Fuhrmeister
Altocumulus lenticularis,1:55 PM, February 17th, 2011 More information | ![](thumbs15518.jpg)
Nathan Gust
Altocumulus lenticularis, 4:45 pm February 17th, 2011. More information |
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Steven Hendricks
Mountain wave cloud that looks like a screaming woman. 5 pm, February 17, 2011 More information | ![](thumbs15542.jpg) Luna Rising Travis Ochsner
Moon and altocumulus lenticularis, Boulder, CO, February 17th at about 5:30pm. More information | ![](thumbs15523.jpg)
Jaewon Kim
Altocumulus lenticularis, Boulder CO, altocumulusaltocumulus February 17, 5:45 pm. More information | ![](thumbs15506.jpg)
Brittany Feddersen
Mountain wave cloud with anticrepuscular rays, February 17th, 2011, 7 pm. More information | ![](thumbs15508.jpg)
Matthew Feddersen
Fractus mountain wave clouds, 12:52 pm on February 18, 2011. More information |
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Daniel Anson
Mountain wave cloud, February 18, 2011 at 1:09 PM More information | ![](thumbs15520.jpg)
Jared Hansford
Altocumulus,Boulder, CO February 18, 2011 5 pm. More information | ![](thumbs15522.jpg)
Gregory Kana
Altocumulus stratiformis perlucidus, Boulder CO, February 18, 2011, 5:30 pm. More information | ![](thumbs15509.jpg)
Davis Fogerty
Altocumulus stratiformis undulatus, Feb 18, 2011, at 5:49pm More information | ![](thumbs15491.jpg)
Andrew Bornstein
Fractus mountain wave cloud, February 19th, 2011 at about 2:30 pm. More information |
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Kryztopher Tung
Stratus fractus translucidus praecipitatio. Boulder, CO, 7 pm, February 19, 2011. More information | ![](thumbs15555.jpg)
Scott Schollenberger
Stratocumulus stratiformis, Nederland CO, February 19th, 2011 around 11 pm. More information | ![](thumbs15496.jpg)
Andrew Carter
Cirrus and fog (cumulus humilis), San Francisco on 2/20/2011 at 2:00 pm More information | ![](thumbs15532.jpg)
Grant Meaux
More information | ![](thumbs16855.jpg)
Morning Inversion Timelapse from Flow Visualization @ CU Boulder. William Murray
Morning inversion over Boulder, CO, time lapse. More information |
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