pl23_nssl0209.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23nssl0209jpgDescription
Project Vortex-99. Occluded mesocyclone tornado.Occluded means old circulation on a storm; this tornado was formingwhile the new circulation was beginning to form the tornadoes which preceededthe F5 Oklahoma City tornado. Photo #2 of sequence.
Credit
OAR/ERL/National Severe Storms Laboratory (NSSL)
Display Date
3-May-99
Location
Oklahoma 8 miles south of Anadarko
Collection
NSSL
Tornadoes
Keywords
Tornadoes