Danielle Rogers who plays the Paramedic in the aftermath of the Tornado is actually a former Paramedic, turned actor who resides in Norman, OK with her husband a retired Captain of the Norman Fire Dept. Both responded to numerous tornadoes over the years before retiring.
The last movie released featuring Anne Heche before her death on August 12, 2022. One of the movies she finished shooting before her death and due for release in 2023 is "Supercell," which also deals with tornadic weather.
A portion is being filmed in Midwest City, OK in the neighborhood that was the last to receive damage before the tornado lifted on May 3, 1999. This tornado had the highest winds ever recorded on Earth.
El Reno Native, Stephen Seely Jr., appears in the film as an extra. Stephen was a first responder and was on duty at the time of the tornado that hit El Reno. Stephen also had lost a long time friend in the same tornado that killed Tim Samaras.