Excessive Heat — Yavapai County Mountains, Arizona

2017-06-16 to 2017-06-24 · Yavapai County Mountains, Arizona

Event narrative

The high of 96 at Prescott Airport on June 16 tied the previous record last set in 1974.

The high of 102 at Prescott Airport on June 18 broke the previous record of 100 set in 1989.

The high of 103 in Seligman on June 18 tied the previous record last set in 1940.

The high of 102 at Prescott Airport on June 19 tied the previous record last set in 2016.

The high of 105 in Seligman on June 19 broke the previous record of 103 set 1940.

The high of 103 at Prescott Airport on June 24 broke the previous record of 102 set 2016.

The high of 103 at Prescott Airport on June 21 broke the previous record of 100 set 1990.

The high of 103 in Seligman on June 23 broke the previous record of 102 set 1968.

The high of 101 at Prescott Airport on June 23 broke the previous record of 98 set 2006.

The high of 104 in Seligman on June 23 broke the previous record of 103 set 1961.

The high of 101 at Prescott Airport on June 24 broke the previous record of 100 set 1974.

The high of 103 in Seligman on June 24 tied the previous record last 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 707200. Narrative written by the NWS forecast office that issued the report.