National Weather Service officials tell us this video from storm spotter Lori Grace Bailey is what triggered their tornado warning.
The National Weather Service has canceled the tornado warning early. It was due to expire at 4:15 p.m.
Tornado Warning cancelled for Picture Rocks, SW Marana area.— NWS Tucson (@NWSTucson) September 26, 2019
The National Weather Service has issued a Tornado warning in Marana and Picture Rocks until 4:15 p.m. Anyone in the area should take cover immediately.
The NWS says radar the tornado is radar-indicated, though officials say a funnel cloud structure was spotted in the storm. Quarter-sized hail is possible as well.