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.

Image ID: nssl0211, NOAA's National Severe Storms Laboratory (NSSL) Collection
Location: Between Verden and Chickasha, Oklahoma
Photo Date: May 3, 1999
Credit: OAR/ERL/National Severe Storms Laboratory (NSSL)

• High Resolution Photo Available