Wednesday, August 20, 2014

Advancing Night

The long summer day is now fading in Arctic Alaska, as a daily period of darkness advances north across Alaska with the change of seasons.  Last night was the first night that civil twilight was observed at Barrow, i.e. the sun briefly dipped more than 6° below the northern horizon.  However, it will be another 2-3 weeks before it starts to get reasonably "dark" at night in Barrow.

Here are a couple of "night" pictures from the Barrow sea-ice webcam in the past few days: the first, a beautiful scene, taken about an hour and a half before sunrise on Monday, and the second taken a little before solar midnight last night.


  1. It's finally getting dark at night in Fairbanks as well, coupled with the onset of fog as the dew point is reached in the early AM hours.

    Here's an interesting upcoming Webinar discussing El Nino and possible effects in Alaska this coming winter. There may be a better link elsewhere:

    "Meteorologists to discuss El Niño

    Rick Thoman, of the National Weather Service in Fairbanks, and Jon Gottschalck, of the National Oceanic and Atmospheric Administration's Climate Prediction Center, will discuss the current state of the El Nino climate phase during an online seminar Aug. 26 at 10 a.m.

    El Nino, the warm phase of the tropical Pacific ocean and atmosphere, is likely to occur this fall and winter. Thoman and Gottschalck will review the phase's current state and expected development. They will also examine how variations in the tropical Pacific can affect high-latitude regions such as Alaska. They will describe how past El Nino-influenced falls and winters have turned out and review the forecast for this coming cold season in Alaska.

    The webinar is sponsored by the UAF Alaska Center for Climate Assessment and Policy.

    See details and register for the event."


    1. Found the registration link for the above El Nino Webinar: