Excessive Heat — Yavapai County Valleys and Basins, Arizona

2017-06-17 to 2017-06-24 · Yavapai County Valleys and Basins, Arizona

Event narrative

The high of 108 in Cottonwood - Tuzioot on June 17 broke the previous record of 107 set in 1985.

The high of 113 in Cottonwood - Tuzioot on June 18 broke the previous record of 111 set in 1985.

The high of 115 in Cottonwood - Tuzioot on June 19 broke the previous record of 111 set in 2016.

The high of 115 in Cottonwood - Tuzioot on June 21 broke the previous record of 110 set in 1994.

The high of 115 in Cottonwood - Tuzioot on June 22 broke the previous record of 110 set in 1988.

The high of 113 in Cottonwood - Tuzioot on June 23 broke the previous record of 111 set in 1994.

The high of 115 in Cottonwood - Tuzioot on June 24 broke the previous record of 110 set in 1994.

Wider weather episode

Very strong high pressure aloft developed across the Desert Southwest in mid to late June. This lead to prolonged excessive heat across the lower deserts of northern Arizona. High temperatures exceeded 110 over the lower elevations of Yavapai County and along the Colorado River in the Grand Canyon. Numerous high temperature records were tied or broken, even at higher elevations.

Source: NOAA Storm Events Database, event_id 707205. Narrative written by the NWS forecast office that issued the report.