Heavy Snow — Coconino Plateau, Arizona

2019-11-29 to 2019-11-30 · Coconino Plateau, Arizona

Event narrative

Eighteen inches of snow fell in Fraziers Well area. The Valle area had 10-14 inches of snow by 700 AM. Thirteen inches of snow fell 10 ENE of Seligman. Eleven inches of snow fell 4 miles north of Ash Fork at an elevation of 5100 feet above sea level. A foot of snow fell at Grand Canyon Caverns at an elevation of 5600 feet.

Wider weather episode

A very large are of low pressure brought wind, rain, and snow to northern Arizona Thanksgiving day and Black Friday. Strong southerly winds brought very moist air over Arizona with rising snow levels. Heavy rain fell below around 7500 through much of Thanksgiving Day with lowing snow levels the night of November 29th into the 30th with the passage of a cold front. Snowfall was eventually reported at the bottom of The Grand Canyon. Significant snow was reported as well as increased flows in lower elevations creeks and rivers.

Source: NOAA Storm Events Database, event_id 860637. Narrative written by the NWS forecast office that issued the report.