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Overshooting Tops
indicative of powerful updrafts

Looking east from about 40 miles away, we see a line of towering cumulus clouds and a large supercell storm in the background. Note the great amount of anvil overhang and the large overshooting dome at the summit of the updraft.

[Image: supercell with a domed, diffluent appearance (62K)]
Photograph by: Doswell

Distant supercells frequently have this domed, "diffluent" anvil appearance, with the supercell's tremendous updraft velocities and outflow resulting in marked upper-level divergence.

Terms for using data resources. CD-ROM available.
Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.