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NOAA's National Severe Storms Laboratory (NSSL) Collection
Catalog of Images

200 thumbnail picture
Project Vortex-99. Occluded mesocyclone tornado. Occluded means old circulation on a storm; this tornado was forming while the new circulation was beginning to form the tornadoes which preceeded the F5 Oklahoma City tornado. Photo #2 of sequence.
8 miles south of Anadarko, Oklahoma May 3, 1999
201 thumbnail picture
Project Vortex-99. Occluded mesocyclone tornado. Occluded means old circulation on a storm; this tornado was forming while the new circulation was beginning to form the tornadoes which preceeded the F5 Oklahoma City tornado. Photo #3 of sequence.
7 miles south of Anadarko, Oklahoma May 3, 1999
202 thumbnail picture
Project Vortex-99. This storm later produced the Piedmont and Mulhall tornadoes. (The first of two in Mulhall that night!) The storm is tornadic at this time. The tornado was rated an F1 by the NWS. Photo #1 of sequence.
Between Verden and Chickasha, Oklahoma May 3, 1999
203 thumbnail picture
Project Vortex-99. This storm later produced the Piedmont and Mulhall tornadoes. (The first of two in Mulhall that night!) The storm is tornadic at this time. The tornado was rated an F1 by the NWS. Photo #1 of sequence.
Between Verden and Chickasha, Oklahoma May 3, 1999
204 thumbnail picture
Project Vortex-99. A backlit funnel cloud and tornado. Note the debris column.
12 miles southwest of Minco, Oklahoma May 3, 1999
205 thumbnail picture
Project Vortex-99. A tornado near Minco, Oklahoma. This storm later produced the F4 tornado in Mulhall, Oklahoma.
Near Minco, Oklahoma May 3, 1999

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