What is Parallax? Parallax is the apparent difference in the location of an object based on point of view. With satellite data this is always something important to consider, because the features you see may not actually be where they appear. This is the first of a three part series focused on the parallax problem.
The Problem with Parallax: Part 1 Read More »
The fire imagery can be a little deceiving sometimes. As seen in these images, something that appears like smoke is streaming from the peak of Denali. Not to worry, it didn’t suddenly become a volcano, instead it’s due to a little trick of the clouds. VIIRS i04 band (3.74 um), 21:00 UTC 01 June 2022
Mountain Smoke Plume, Or Is It? Read More »
Interesting cloud formation on the Alaska’s North Slope 08 Feb 2022. This streaking appearance of clouds is often caused by a moist layer and mechanical lift generated by terrain, but this is pretty flat territory…
Unusual Cloud Streaks from Oil Flares Read More »
Despite a brief heat wave a couple weeks ago, cold temperatures have returned again to Fairbanks with a strong winter inversion. Recent CSPP NUCAPS sounding is shown below on the left, compared with the Fairbanks sounding on the right. The red line is the vertical temperature profile, and the green line is the dewpoint depression profile.
Inversion in Fairbanks Read More »
On Monday Jan 24th, Fairbanks received a warm air push from the south, while the western coastal sections along the Bering Sea were getting cold air from the north to northwest. The image below is the near surface temperature from NUCAPS gridded data as of 0600 UTC, January 24th 2022, which provides a general view
Chinook Winds bring Warm Temperatures to Alaska Read More »
This Thursday, Jan 27 2022 at 11:15 AM CST, GINA director Jen Delamere will be giving a remote presentation to the American Meteorological Society’s Annual Meeting. The presentation will discuss GINA’s use of direct broadcast satellite data for a variety of uses, including products for volcano eruptions, wildland fire, sea ice, and more. See here
The DayLandCloud RGB above shows a view of low stratocumulus clouds over the Mackenzie Mountains on the border between the Yukon and Northwest Territories of Canada on January 13th, 2021. The rippled appearance of the clouds is the result of gravity waves generated by strong low level stability and wind above the rough terrain. You
Stratocumulus Clouds over the Mackenzie Mountains Read More »
GINA is currently accepting applications for a Geospatial Analyst. Duties include working with the Alaska Fire Service during the summer on VIIRS imagery hotspot detection, analysis of satellite imagery, and development of scripts in Python. Applicants are encouraged to apply by January 9, 2022.
Hiring Geospatial Analyst Read More »
Join us Tuesday, December 14, 2021 for a talk given by GINA Director Jen Delamere discussing the wide range of users that GINA produced satellite data reaches, this past year’s product expansion, and ongoing projects including wildfire detection and air quality forecasts. The talk can be attended in person or virtually. See link below for
We are excited to share that the November 2021 issue of Marine Technology Reporter magazine features the recent article on GINA’s role in helping the UAF Research Vessel Sikuliaq navigate through Arctic Ocean sea ice. Check it out here on page 18: https://magazines.marinelink.com/nwm/MarineTechnology/202111/
GINA Article Featured in Marine Technology Reporter Magazine Read More »
