<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/3621caed-0c28-40b5-855d-4eeacd0ebe6b/AFA5BE98-B962-41D5-9E27-43A5277AEFEF/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos" href="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos" style="font-size: 11px;">www.zmescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H1 class="singleh1">7 types of rare and amazing clouds (w/ pics and videos)</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H3>Mammatus clouds</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.zmescience.com/img/9478A785-D41C-40AA-B529-5B41BA6C7294" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos">These <STRONG>pouch-like clouds</STRONG> seem to be the harbringers of thunderstorms and tornadoes and (in many cases) that’s exactly what they are. They form after a long and warm periods and the intensely sheared environment in which <STRONG>Mammatus</STRONG> forms makes them every aviator’s nightmare</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.zmescience.com/img/A6BE43D2-F279-4683-AA55-8E6FB7E1D91A" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.zmescience.com/img/86AA9960-44CE-4851-866D-AA3E53A9D3EA" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H3>Altocumulus Castelanus</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.zmescience.com/img/DE47C052-47E1-48FC-BAD0-81C38AB4FC3D" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos">These <STRONG>jellyfish clouds</STRONG> are formed a mass of moist air moves fast from the Gulf Stream and gets trapped between two layers of dry air</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.zmescience.com/img/E37E4197-5E0E-45D0-B344-F6E1E811085A" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H3>Arcus clouds</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"> two main categories</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><STRONG>a) Roll clouds</STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.zmescience.com/img/01381403-2C7F-42FA-85F1-0816E18E854C" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.zmescience.com/img/ECBED891-8CAC-4191-B3EA-74D0537D849E" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.zmescience.com/img/BA98065F-0851-47C1-B1B0-44C664C4269C" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><embed src="http://www.youtube.com/v/lvSHGx1ZO50&hl=en&fs=1" height="329" width="400" wmode="opaque" quality="high" allowfullscreen="true" allowscriptaccess="always" type="application/x-shockwave-flash"></embed></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.zmescience.com/img/BCB61266-4124-411A-B503-554064A0E025" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><STRONG>b) Shelf clouds</STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.zmescience.com/img/63E3CEA5-3D1E-4B15-8AFF-F071B36D2E31" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.zmescience.com/img/AEB56150-BDD6-472A-B5D5-A95358E83E17" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.zmescience.com/img/12BD2CA9-79CA-43D1-B61E-5D74644BF660" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.zmescience.com/img/E5730B11-DDF7-4A8B-94F6-F8440FE20C81" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H3>Nacreous clouds</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.zmescience.com/img/49E3CF96-BA03-4BA3-ACAF-F2E7CBEDBE61" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"> <STRONG>Polar stratospheric clouds</STRONG> (PSCs) and they are formed in the winter polar stratosphere and they have a big impact in creating ozone holes as they further contribute to the depletion of ozone by supporting chemical reactions that produce active chlorine which catalyzes ozone destruction. Bad, bad clouds</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.zmescience.com/img/91D278E3-485F-4918-91AD-328F727E8928" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.zmescience.com/img/879BE936-C811-4A8B-B578-D1E88966142B" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.zmescience.com/img/D624E010-62D5-46E9-B4C4-8B218B5B512A" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><embed src="http://www.youtube.com/v/ieR8TmkQoGs&hl=en&fs=1" height="329" width="400" wmode="opaque" quality="high" allowfullscreen="true" allowscriptaccess="always" type="application/x-shockwave-flash"></embed></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H3>Noctilucent clouds</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.zmescience.com/img/572EA5A4-FED6-4388-B99A-44A88543C2FB" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos">formed at very big altitudes, from 76 to 85 km</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.zmescience.com/img/D57F7897-16D5-4553-A347-294DAF7CCBEC" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.zmescience.com/img/76CD18F2-B92B-460A-8A80-A856E209998E" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><H3>Mushroom clouds</H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.zmescience.com/img/59C4B6E6-EDC7-41FF-93DB-0E753B8B9DEF" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos">result of smoke, condensed water vapor</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.zmescience.com/img/F17ACCDA-6EF6-4B68-B7B4-248DDFE0148B" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/7-types-of-rare-and-amazing-clouds-w-pics-and-videos"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.zmescience.com/img/27D28B02-9512-4CF5-8336-629792B17490" alt="" /></div></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/AFA5BE98-B962-41D5-9E27-43A5277AEFEF/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

New from the makers of Clipmarks:  Amplify.com - Don't just share the news...Amplify it!