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Mammatus clouds at sunset illuminated orange by the setting sun on June 28, 1975. Photograph ? R. Jensen.
Source publication
Roger Jensen was a person who began photographing the sky from his family's farm near Lake Park, MN. Born 5 September 1933, Roger began a life of weather observation. To him, there was no better experience than seeing a storm out on the plains, feeling the wind, smelling the freshness of spring inflow air, hearing the sound of distant thunder, or t...
Context in source publication
Context 1
... best tornado day was on 28 June 1975 when he photographed a large barrel-shaped tornado near Felton, MN that moved slowly north-northeast (Fig. 4). The tornado traveled only 10 km in 25 minutes. Roger filmed the tornado from the south; it only destroyed a barn and was rated F-2. That same evening, Roger photographed brilliant, orange-colored mammatus at sunset that made the cover of Weatherwise in October 1976 (Fig. 5). Roger submitted his chase accounts and photographs to the American Meteorological Society and they were published in the correspondence section of the Bulletin (See Jensen, 1973, and 1977. ...
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