• Thumbnail for Arcus cloud
    An arcus cloud is a low, horizontal cloud formation, usually appearing as an accessory cloud to a cumulonimbus. Roll clouds and shelf clouds are the two...
    8 KB (866 words) - 14:18, 26 February 2024
  • Thumbnail for Cumulonimbus cloud
    Virga: precipitation that evaporates before reaching the ground. Arcus cloud (shelf cloud) leading a thunderstorm A cap (pileus) atop a congestus Incus with...
    16 KB (1,449 words) - 23:04, 13 August 2024
  • Thumbnail for Wall cloud
    storms contain shelf clouds, which are often mistaken for wall clouds since an approaching shelf cloud appears to form a wall made of clouds and may contain...
    15 KB (1,661 words) - 05:46, 5 July 2024
  • Thumbnail for List of cloud types
    imagery. Scud cloud (informal term for WMO species fractus) – ragged detached portions of cloud that usually form in precipitation. Shelf cloud (informal...
    79 KB (7,521 words) - 20:32, 7 October 2024
  • Thumbnail for Outflow boundary
    low clouds on weather satellite imagery. From the ground, outflow boundaries can be co-located with the appearance of roll clouds and shelf clouds. Outflow...
    15 KB (1,686 words) - 04:27, 29 December 2023
  • boundaries weakening updrafts substantially and clouds losing their thickness. Shelf clouds and roll clouds are usually seen above the leading edge of a...
    16 KB (1,943 words) - 19:22, 19 September 2024
  • Thumbnail for Cumulus mediocris cloud
    of significant vertical development. Pileus (cap cloud), velum (apron), arcus (roll or shelf cloud) and tuba (vertical column) features are also occasionally...
    5 KB (469 words) - 14:55, 28 March 2024
  • Thumbnail for Squall line
    cutting off this inflow. Visually this process may take the form of a shelf cloud, often with a turbulent appearance. Pressure perturbations around thunderstorms...
    14 KB (1,641 words) - 00:09, 29 September 2024
  • Thumbnail for Scud (cloud)
    Scud clouds are very commonly found on the leading edge of a storm front. In this area of a storm, scud are commonly associated with shelf clouds. Pannus...
    4 KB (393 words) - 12:15, 8 October 2024
  • Thumbnail for Supercell
    overshooting top); cooler air to the right in the image may or may not form a shelf cloud, but the precipitation zone will occur where the heat engine of the uplift...
    55 KB (6,873 words) - 21:59, 18 October 2024
  • Thumbnail for Derecho
    downbursts, and downburst clusters. In addition, the powerful updrafts and high cloud tops can cause for dangerous conditions. Their sheer size also makes them...
    38 KB (4,475 words) - 19:23, 30 September 2024
  • Thumbnail for Accessory cloud
    the parent cloud system. The arcus and roll clouds, shelf cloud, wall cloud, and scud are examples of low level or vertical accessory clouds whilst the...
    2 KB (255 words) - 14:24, 13 June 2024
  • Thumbnail for Fractus cloud
    usually found under shelf clouds. List of cloud types Wikimedia Commons has media related to Fractus cloud. "Appendix 3: History of cloud nomenclature". World...
    5 KB (478 words) - 08:06, 18 February 2024
  • Thumbnail for Altocumulus volutus
    Altocumulus volutus (category Clouds)
    likely scenario is that it condenses into a shelf cloud or roll cloud, rather than an altocumulus volutus cloud. When found in environments where it is not...
    2 KB (162 words) - 20:55, 17 June 2024
  • Thumbnail for Weather front
    values of relevant quantities such as sea-level pressure, temperature, and cloud cover onto a geographical map to help find synoptic scale features such...
    26 KB (2,868 words) - 18:53, 19 August 2024
  • Thumbnail for Atlas Air Flight 3591
    airliner reported IMC, and a video taken by a ground witness showed a shelf cloud passing over the area at the time.: 14–15  First officer Aska then requested...
    38 KB (3,941 words) - 07:25, 16 September 2024
  • Thumbnail for Surface weather analysis
    values of relevant quantities such as sea level pressure, temperature, and cloud cover onto a geographical map to help find synoptic scale features such...
    30 KB (3,628 words) - 02:53, 30 September 2024
  • Thumbnail for Glossary of meteorology
    because of the presence of an obfuscating cloud. shelf cloud A low, elongated, wedge-shaped accessory cloud that occurs along a gust front, often masking...
    187 KB (21,500 words) - 23:23, 1 June 2024
  • Commercial-off-the-shelf or commercially available off-the-shelf (COTS) products are packaged or canned (ready-made) hardware or software, which are adapted...
    12 KB (1,372 words) - 03:05, 9 May 2024
  • Thumbnail for Severe weather
    the surface of the earth and the base of a cumulonimbus cloud (thundercloud) or a cumulus cloud, in rare cases. Tornadoes come in many sizes but typically...
    73 KB (6,457 words) - 01:42, 18 September 2024
  • transport of moisture (evapotranspiration) and pollutants (air pollutants). Clouds in the boundary layer influence trade winds, the hydrological cycle, and...
    21 KB (2,073 words) - 13:30, 30 April 2024
  • Thumbnail for Harvard Classics
    The Harvard Classics, originally marketed as Dr. Eliot's Five-Foot Shelf of Books, is a 50-volume series of classic works of world literature, important...
    112 KB (6,183 words) - 18:34, 14 August 2024
  • Thumbnail for Enschede
    A shelf cloud associated with a heavy or severe thunderstorm over Enschede...
    45 KB (4,024 words) - 23:04, 14 October 2024
  • Thumbnail for Mesoscale convective system
    persists for several hours or more. A mesoscale convective system's overall cloud and precipitation pattern may be round or linear in shape, and include weather...
    31 KB (3,506 words) - 02:46, 19 October 2024
  • Defense cloud computing contract which has been reported as being worth $10 billion over ten years. JEDI was meant to be a commercial off-the-shelf (COTS)...
    12 KB (1,180 words) - 21:12, 12 September 2024
  • funnel – Brief, often weak funnel generated by shear in a thunderstorm. Shelf cloud – Generally associated with strong thunderstorms, found along the leading...
    26 KB (2,553 words) - 13:31, 23 May 2024
  • Thumbnail for August 2020 Midwest derecho
    Panoramic view of the storm's arcus cloud (a.k.a. shelf cloud) over Sugar Grove, Illinois on August 10...
    170 KB (11,379 words) - 00:44, 21 September 2024
  • Thumbnail for Outflow (meteorology)
    form of a wedge of rain-cooled air, which is visible as a thin rope-like cloud on weather satellite imagery or a fine line on weather radar imagery. For...
    10 KB (1,098 words) - 22:54, 14 August 2024
  • Western Wisconsin Derecho Shelf cloud as it approached Downsville, WI Date(s) July 15, 1980 Peak wind gust  (measured) 112 mph (180 km/h; 50.1 m/s) Tornado...
    15 KB (1,324 words) - 01:08, 13 May 2024
  • Thumbnail for 2010 Western Australian storms
    A shelf cloud approaching Perth city looking over Perth City Farm in East Perth at 3:53 pm local time...
    14 KB (1,545 words) - 15:26, 12 October 2024