Winter Storm — Salisbury Sound To Cape Fairweather Coastal Area, Alaska

2017-11-16 to 2017-11-17 · Salisbury Sound To Cape Fairweather Coastal Area, Alaska

Event narrative

Pelican COOP measured 7.9 inches new snow ending 0800 on 11/18. Most of the snow fell on the afternoon of 11/17. No damage or power outages reported. Impact was snow removal.

Wider weather episode

Arctic High pressure was persistent over the Yukon Territory on the evening of 11/16 causing a cold northerly outflow at our lowest levels. The high rapidly weakened as a weak low and front developed in the Gulf. Overrunning aloft caused record heavy snow. Impacts were snow removal, otherwise no damage was reported.

...RECORD SNOW AMOUNTS FOR NOVEMBER 17 AND 18...

There were numerous daily COOP snowfall records across portions

of northern Southeast Alaska on November 17 and 18. Record

snowfall was recorded at the following locations:

Annex Creek recorded 11.7 inches on November 17, breaking the

previous record of 7.6 inches from 1959.

Juneau Lena Point near Juneau recorded 8.9 inches on November 17,

breaking the previous record of 5.8 inches from 2015.

Skagway recorded 5.5 inches on November 17, breaking the previous

record of 2.0 inches from 2009.

The Juneau Forecast Office recorded 10.8 inches on November 17,

breaking the previous record of 3.3 inches from 2003.

Downtown Juneau recorded 3.0 inches on November 17, breaking the

previous record of 2.5 inches from 1932.

The Snettisham Powerplant recorded 4.2 inches on November 17,

breaking the previous record of 1.5 inches from 2015.

Hyder recorded 15.0 inches on November 18, breaking the previous

record of 9.5 inches from 2006.

Hoonah recorded 7.0 inches on November 18, breaking the previous

record of 2.7 inches from 2015.

Pelican recorded 5.2 inches on November 18, breaking the previous

record of 4.5 inches from 2015.

Haines recorded 2.0 inches on November 18, breaking the previous

record of 0.5 inches from 2003.

Source: NOAA Storm Events Database, event_id 723126. Narrative written by the NWS forecast office that issued the report.