All of SE Alaska was in cold air with the arctic front offshore on 2/18. A moderate gale center moved into the western Gulf of Alaska, which was just enough to cause the front to move over the Panhandle for heavy snow on the night of the 18th into the afternoon of the 20th.

Winter Storm in GLACIER BAY, ALASKA
From 19-FEB-11 03:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A COOP observer affilated with the Gustavus Airport measured 6.5 inches new snow that fell overnight. Visibility had dropped to 1 SM at the airport with wind gusts to 19 KT.

Winter Storm in HAINES BOROUGH AND LYNN CANAL, ALASKA
From 19-FEB-11 03:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Haines Customs measured 6.5 inches of new snow at 0700 AKST 2/20 which occurred during the afternoon of 2/19. Downtown Haines measured 8.2 inches of new snow. Haines Airport measured visibility as low as 1/2 mile in snow with peak winds at 34 KT at the height of the storm.

Winter Storm in EASTERN CHICHAGOF ISLAND, ALASKA
From 19-FEB-11 03:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hoonah measured 4.9 inches of new snow on the morning of 2/19 and an additional 2.4 inches by 0900 on 2/20. Visibility at the Hoonah seaplane base was reduced to 0.75 SM in snow.

Winter Storm in SALISBURY SOUND TO CAPE FAIRWEATHER COASTAL AREA, ALASKA
From 18-FEB-11 15:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Elfin Cove measured 10.5 inches of new snow for 24 hours ending at 1500 AKST on 2/19 and Pelican got 8.3 inches new. Most of this snow fell during the daytime on the 19th. Snow showers were heavy that afternoon with wind to 36 KT at Cape Spencer.

Winter Storm in EASTERN BARANOF ISLAND AND SOUTHERN ADMIRALTY ISLAND, ALASKA
From 19-FEB-11 03:00:00 to 20-FEB-11 03:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Angoon had wet snow through the morning of 2/19, but higher elevations had significant snowfall. Hidden Falls on the back side of Baranof Island measured 4 inches new snow on the afternoon of 2/19 and another inch on 2/20. No other observations were available.

Winter Storm in INNER CHANNELS FROM KUPREANOF ISLAND TO ETOLIN ISLAND, ALASKA
From 19-FEB-11 03:00:00 to 20-FEB-11 03:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wrangell had 0.25 SM visibility at times and gusts to 25 KT were common on 2/19 and 2/20. Petersburg had higher visibility and less wind. New snow amounts ranged from 6 to 8 inches.

Winter Storm in TAIYA INLET AND KLONDIKE HIGHWAY, ALASKA
From 19-FEB-11 04:32:00 to 20-FEB-11 03:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Skagway area received 8 to 9 inches of new snow on 2/19 into 2/20. Wind peaked over 40 MPH on the afternoon of 2/19 with visibility down to 0.75 SM in snow at times. Conditions on the Klondike Highway were probably worse.

Winter Storm in MISTY FJORDS, ALASKA
From 20-FEB-11 03:00:00 to 20-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Visibility was frequently reduced to 0.5 SM in heavy snow at Stewart B.C. on 2/20. Hyder measured a strom total of 12.7 inches of new snow with this storm.

Winter Storm in CAPE DECISION TO SALISBURY SOUND COASTAL AREA, ALASKA
From 19-FEB-11 03:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Sitka had wet snow that turned rapidly to rain on the morning of 2/19, but higher elevations had significant snowfall. Hidden Falls (24) on the back side of Baranof Island measured 4 inches new snow on the afternoon of 2/19.

Winter Storm in CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA, ALASKA
From 18-FEB-11 15:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Yakutat NWS office measured 4.3 inches new snow just before midnight 2/18 and 4.4 more inches on the morning of 2/19. Precipitation changed to rain on the morning of 2/19. Minimum visibility during this event was 0.5 SM at the airport with a max gust of 22 KT.

Winter Storm in JUNEAU BOROUGH AND NORTHERN ADMIRALTY ISLAND, ALASKA
From 19-FEB-11 03:00:00 to 19-FEB-11 15:00:00 (AKST-9)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Various spotters and official observations had measurements from 4 to 7 inches of new snowfall during this short-lived event. Midnight to midnight snowfall at the airport was 10.5 inches and the peak wind was 29 KT during this event. Poor driving conditions occurred with the visibility down to 0.5 SM at times.