The remains of Tropical Storm Norma is known as Arizona'a deadliest storm.
More commonly known as “The Labor Day storm of 1970”, the remains of tropical Storm Norma cause severe flooding in central portions of Arizona, and becomes Arizona’s most deadly storm.
There were 23 deaths in central Arizona, including 14 from flash flooding on Tonto Creek in the vicinity of Kohl’s Ranch. Total rainfall at Workman Creek was about 30 miles north of Globe in the Sierra Ancha mountains at 11.92 inches with 11.40 inches falling in 24 hours.
Other rainfall amounts include 9.09 at Upper Parker Creek, 8.74 at Mount Lemmon, 8.44 at Sunflower, 8.08 at Kitt Peak, 7.12 at the Tonto Creek Fish Hatchery and 7.01 inches at Crown King.
