Heavy Snow — Upr Tanana Vly Fortymile, Alaska

2019-04-21 to 2019-04-24 · Upr Tanana Vly Fortymile, Alaska

Event narrative

The heaviest snow fell at higher elevations across the Fortymile Country. The SNOTEL site at Jack Wade Junction on the Taylor Hwy at an elevation of 3585 feet reported a 24 hour snowfall of 8.4 inches. The COOP observer in Chicken reported 6.5 inches. Less snow was observed at lower elevations because precipitation began as rain before transitioning to snow.

Wider weather episode

A 978 millibar low pressure system moved into the northeast Gulf of Alaska and continued north into the Yukon Territory. The associated weather front spread precipitation from the Alaska-Yukon Border west to the Fairbanks area. In many locations the precipitation began as rain or a rain snow mix and eventually transitioned to all snow. The weather front remained nearly stationary for 36 hours before dissipating.

Source: NOAA Storm Events Database, event_id 827181. Narrative written by the NWS forecast office that issued the report.