Explosive cyclogenesis took place over the Eastern Gulf on 11/13 with a storm rapidly deepening to 985 MB just off Sitka. More cold air aloft was continually pumped into this system from a strong upper ridge upstream driving NW flow aloft. On 11/15, the storm deepened to 963 MB just SW of Yakutat. Finally on 11/18, the system weakened to a 990 MB complex south of the Gulf.

Heavy Snow in SALISBURY SOUND TO CAPE FAIRWEATHER COASTAL AREA, ALASKA
From 12-NOV-06 16:30:00 to 17-NOV-06 18:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Moist flow aloft moved over cold arctic air right on the Panhandle coast and caused a long lived snowstorm. The CO-OP observer at Pelican measured 20.5 inches of new snow at 1500 AKST 11/13. Snow continued to dump along the Eastern side of Chichagof Island. The storm total had risen to 30 inches by 11/15. On 11/16 another 11.5 new inches were measured with a compacted 40.5 on the ground. As if Pelican had not been buried, they got 3 inches new on 11/17 and finally 1.5 more inches on 11/18 with 42 on the ground.

Heavy Snow in JUNEAU BOROUGH AND NORTHERN ADMIRALTY ISLAND, ALASKA
From 13-NOV-06 06:00:00 to 15-NOV-06 18:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Gulf of Alaska Low dumped heavy snow on most of the Northern and Central Panhandle. Juneau had numerous observations of heavy snow ranging form 7.5 to 14.5 inches by 1500 AKST on 11/13. On 11/14 another 3 to 6 inches fell onto Juneau. A spotter at Auke Bay had 5.5 inches on 11/15 with 16 inches compacted on the ground. Higher elevations around town unoffically had up to 20 inches on the ground as of 11/15. Auke Bay got another 5.5 inches new on 11/16. Lighter amounts continued to fall on 11/17 and 11/18. Daily amounts at the Juneau Forecast Office are as
follows (in inches): 11/13 11.7, 11/14 5.6, 11/15 4.2, 11/16 3.5,
11/17 1.6, 11/18 2.1.

Heavy Snow in INNER CHANNELS FROM KUPREANOF ISLAND TO ETOLIN ISLAND, ALASKA
From 13-NOV-06 22:30:00 to 14-NOV-06 18:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A Gulf of Alaska Low dumped heavy snow on the Central Panhandle on 11/13. Petersburg Airport had accumulated 12.0 inches as of 2230 AKST 11/13 and got 4 more inches new by 0700 AKST 11/14. After that the snow at Petersburg compacted rapidly. The CO-OP observer at Wrangell near PAWG measured steady new snow over the period starting 11/14 4.0, 11/15 1.0, 11/16 5.0, and 11/17 6.0.

Heavy Snow in GLACIER BAY, ALASKA
From 13-NOV-06 07:00:00 to 16-NOV-06 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A Gulf of Alaska Low generated a snowstorm for Glacier Bay. A CO-OP observer at Gustavus measured 14.5 inches of new snow as of 1500 AKST 11/13. A trained spotter measured 21 inches new on 11/13. It continued to dump on the Glacier Bay area into the 16th. One spotter had a storm total of 39 inches some of which compacted. The snow density was fairly light for maritime Alaska.

Heavy Snow in HAINES BOROUGH AND LYNN CANAL, ALASKA
From 13-NOV-06 06:30:00 to 15-NOV-06 07:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A snow storm as part of a Gulf of Alaska Low clobbered the Northern and Central Panhandle starting on 11/13. The CO-OP observer in Haines measured 10.0 inches for the storm total 11/13 at 1500 AKST. Snow contiued falling with 3.5 more new inches as of 0700 AKST 11/15.

Heavy Snow in EASTERN CHICHAGOF ISLAND, ALASKA
From 13-NOV-06 06:30:00 to 14-NOV-06 18:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A Gulf of Alaska Low caused a snow storm for the Northern and Central Panhandle. The CO-OP observer 30 miles SE of Hoonah measured 8.5 inches as of 1500 AKST, 11/13. Another about the same time had 14.5 inches. The snow density was fairly light for maritime Alaska. Heavy snow continued to fall across the area with trained spotters having ranges of 18 to an estimated 24 inches storm totals into 11/15. Light amounts of snow continued to fall over the next few days.

Heavy Snow in TAIYA INLET AND KLONDIKE HIGHWAY, ALASKA
From 13-NOV-06 03:00:00 to 15-NOV-06 18:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

On 11/13 a snowstorm struck Northern SE Alaska. It is estimated that well over a foot of snow fell in White Pass on the November 13th storm. All analyses and remote sensing indicated that heavy snow continued to fall through 11/15, but no reports were verified.