East Turnagain Arm storm history

The Portage ASOS Station (PATO) reported strong winds that frequently gusted to over 70 mph for a four hour period between 8:00 AM to 12:00 PM AKST on January 12th. Other stations around the same area reported similar wind speeds in the same timeframe. Alyeska Resort had even hig…

The Portage ASOS (PATO) reported a wind gust measuring 82 mph at 12:31 PM AKST January 6th. Weather stations at Alyeska Resort reported wind gusts of over 90 mph around the same time. High winds led to the closure of Alyeska Resort due to a power outage. An animal shelter at the …

An ASOS station in Portage (PATO) reported a maximum wind gust of 85 mph on Monday, Dec 9th at 6:23 AM AKST. Several other stations reported wind gusts in the 50s and 60s including a peak gust of 69 mph in Whittier (WHMA2). Wind gusts remained elevated at around 45 to 55 mph, par…

The observation at PATO: 8:53am W 7G25 and ended at 12:53pm.

Periods of heavy snow reduced visibilities to near zero along Seward Highway near Turnagain Pass.

An RWIS/DOT observation site in Portage reported 2 to 3 hours of moderate to heavy snow with visibility under 1 mile between 9 PM AKST 12/7 and 12 AM ASKST 12/8 with winds gusting from the west between 20 and 35 mph.

SN to +SN reported with 1/4 to 1/2 SM visibility at PATO for much of the duration of the event. Snow was heavy as long as precipitation type was snow, beginning the afternoon of Nov 8 until around midnight, and again for most of the morning of Nov 9. Webcam images showed near whi…