Frost/Freeze — Grand Flat and Arches, Utah

2023-10-30 · Grand Flat and Arches, Utah

Event narrative

Overnight lows ranged from 14 to 28 degrees F across the zone, including a low of 14 degrees F at Canyonlands Field, north of Moab. This constituted a season-ending freeze, as all reporting sites dropped below 28 degrees F for 3 hours or more.

Wider weather episode

Clearing skies and a much colder airmass behind a departing low pressure system led to sub-freezing temperatures across all of eastern Utah, including low-elevation valleys.

Source: NOAA Storm Events Database, event_id 1140229. Narrative written by the NWS forecast office that issued the report.