Heat — Upper Santa Cruz River and Altar Valleys, Arizona

2018-09-10 to 2018-09-11 · Upper Santa Cruz River and Altar Valleys, Arizona

Event narrative

Above normal temperatures occurred in southern Pima County on September 10th and 11th. Sells recorded high temperatures of 102 degrees on the 10th and 104 on the 11th, while Sasabe reached 101 degrees on both days. The Pima County Medical Examiner confirmed that heat was the primary cause of death for one adult male just east of Sasabe on the 10th and another adult make northwest of Topawa on the Tohono O'odham Nation on the 11th.

Wider weather episode

Hot temperatures were experienced in southern Pima County September 10th and 11th with high temperatures of 102 and 104 at Sells, respectively and 101 at Sasabe both days. Two heat-related fatalities occurred, one just east of Sasabe on the 10th and another northwest of Topawa on the 11th.

Source: NOAA Storm Events Database, event_id 871252. Narrative written by the NWS forecast office that issued the report.