Ragged shelf cloud - Maryville, Missouri
Ragged shelf cloud - Maryville, Missouri

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Caption   A ragged shelf cloud, marking the gust front preceding a squall line, is seen south of Maryville, Missouri, on the afternoon of June 11, 2015. Shelf clouds form when cold, dense air from a thunderstorm's downdraft flows underneath and lifts warm, moist air surrounding the storm.
Photo Id   w6944-b73e-d84d4
Date and Time   June 11, 2015   4:56 PM
Location   Maryville, Missouri
latitude 40° 17' 9.9" N       longitude 94° 52' 34.4" W
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Model Release   No, but a release may not be required for this photo.
Keywords   shelf cloud, arcus cloud, squall line, storm, thunderstorm, gust front, outflow boundary, downdraft, outflow, weather, Maryville, Nodaway County, Missouri, MO, United States, dramatic, danger, dangerous, ominous, menacing, threatening, frightening, risk, peril, hazard
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