UAF GINA
@alaskagina.bsky.social
At the Geophysical Institute, we process and distribute satellite remote sensing data to Alaska to inform people of hazards (from flood to fire) and seasons (from snow to rain), with education programs to encourage participatory science.
gina.alaska.edu
gina.alaska.edu
Alaskan’s were treated to an auroral show the night of Nov 11 thanks to a geomagnetic storm! This VIIRS DayNightBand image captures aurora over the state. Meanwhile, our friends at CIMSS captured the aurora over the continental US! More information from CIMSS - cimss.ssec.wisc.edu/satellite-bl...
November 21, 2025 at 7:49 PM
Alaskan’s were treated to an auroral show the night of Nov 11 thanks to a geomagnetic storm! This VIIRS DayNightBand image captures aurora over the state. Meanwhile, our friends at CIMSS captured the aurora over the continental US! More information from CIMSS - cimss.ssec.wisc.edu/satellite-bl...
While Fairbanks temps were dropping last Sunday, southeast Alaska was experiencing a heavy rain event. This image shows QPE, Quantitative Precipitation Estimate, which uses satellite microwave data to approximate the amount of liquid precipitation received over 6hrs.
#akxw #weather #NOAA
#akxw #weather #NOAA
November 14, 2025 at 11:57 PM
On Oct. 12, Ex-typhoon Halong hit AKs western coast, causing severe flooding in the Kuskokwim River Delta. VIIRS instruments captured the storm's trajectory in this animation using the longwave-IR band.
Donate to the Western Alaska Disaster Relief 2025 Fund here: alaskacf.fcsuite.com/erp/donate/c...
Donate to the Western Alaska Disaster Relief 2025 Fund here: alaskacf.fcsuite.com/erp/donate/c...
October 22, 2025 at 12:44 AM
On Oct. 12, Ex-typhoon Halong hit AKs western coast, causing severe flooding in the Kuskokwim River Delta. VIIRS instruments captured the storm's trajectory in this animation using the longwave-IR band.
Donate to the Western Alaska Disaster Relief 2025 Fund here: alaskacf.fcsuite.com/erp/donate/c...
Donate to the Western Alaska Disaster Relief 2025 Fund here: alaskacf.fcsuite.com/erp/donate/c...
Satellites are always on the job, even while we’re sleeping! These #VIIRS products team up at night to give us a detailed look at fog in southeast Alaska. The DayNightBand is sensitive to visible light, like the moon, while the Nighttime Microphysics RGB can separate low clouds and fog.
October 10, 2025 at 9:21 PM
Satellites are always on the job, even while we’re sleeping! These #VIIRS products team up at night to give us a detailed look at fog in southeast Alaska. The DayNightBand is sensitive to visible light, like the moon, while the Nighttime Microphysics RGB can separate low clouds and fog.
Who’s ready for snow? ❄️🌨️ This satellite image from Oct. 2nd captures the extent of rain and snow across the state, with widespread light snow in the north and heavy precipitation over the north gulf coast. It won’t be long before it starts to look a lot more like winter!
October 6, 2025 at 6:18 PM
Who’s ready for snow? ❄️🌨️ This satellite image from Oct. 2nd captures the extent of rain and snow across the state, with widespread light snow in the north and heavy precipitation over the north gulf coast. It won’t be long before it starts to look a lot more like winter!
Clear skies last week gave us a rare, unobstructed view of Southeast Alaska's coastline and ongoing wildfires in Canada. This #VIIRS Day Fire RGB from Sept 4th highlights the active Lacelle Lake Fire close to Haines Junction in Canada’s Yukon Territory.
#akwx #2025fireseason
#akwx #2025fireseason
September 8, 2025 at 10:33 PM
Clear skies last week gave us a rare, unobstructed view of Southeast Alaska's coastline and ongoing wildfires in Canada. This #VIIRS Day Fire RGB from Sept 4th highlights the active Lacelle Lake Fire close to Haines Junction in Canada’s Yukon Territory.
#akwx #2025fireseason
#akwx #2025fireseason
Join us in saying farewell to team member Grace Veenstra! In her time at GINA Grace has transformed our social media, written and published articles, graduated with 2 B.Sc, and much more. Grace, thank you for your hard work! Good luck and we can’t wait to see what you accomplish next! #GINA4Life
August 14, 2025 at 8:05 PM
Join us in saying farewell to team member Grace Veenstra! In her time at GINA Grace has transformed our social media, written and published articles, graduated with 2 B.Sc, and much more. Grace, thank you for your hard work! Good luck and we can’t wait to see what you accomplish next! #GINA4Life
After 16 years of diligently providing data, we’re saying farewell to NOAA-19. GINA received final passes from NOAA-19 on August 11, 2025 and the satellite was officially decommissioned on August 13th. So long satellite and safe travels!
Find more info here: cimss.ssec.wisc.edu/satellite-bl...
Find more info here: cimss.ssec.wisc.edu/satellite-bl...
August 13, 2025 at 9:54 PM
After 16 years of diligently providing data, we’re saying farewell to NOAA-19. GINA received final passes from NOAA-19 on August 11, 2025 and the satellite was officially decommissioned on August 13th. So long satellite and safe travels!
Find more info here: cimss.ssec.wisc.edu/satellite-bl...
Find more info here: cimss.ssec.wisc.edu/satellite-bl...
Let's turn back time and look at an image from 2024! On July 23, 2024 the skies were clear, allowing us to see the 2024 wildfires in this #VIIRS DayFire RGB. A year ago, wildfires had burned just over 610,000 acres so far, compared to almost 960,000 acres so far this year. #akwx
July 23, 2025 at 10:56 PM
Following a weekend of increased fire activity smoke in interior Alaska has been significant. This #VIIRS True Color image captured last Saturday, July 5, provides a look at the fires in the Fairbanks area contributing to smoke both in town and statewide.
July 9, 2025 at 10:55 PM
Following a weekend of increased fire activity smoke in interior Alaska has been significant. This #VIIRS True Color image captured last Saturday, July 5, provides a look at the fires in the Fairbanks area contributing to smoke both in town and statewide.
Hot, dry conditions increased fire activity across the interior this weekend, evidenced by rapid growth for Aggie Creek Fire just north of Fairbanks off the Elliot Highway. This animation uses GINA heat points to track the fires growth from 18,281 to 38,881 acres over July 4-7.
July 7, 2025 at 9:01 PM
Hot, dry conditions increased fire activity across the interior this weekend, evidenced by rapid growth for Aggie Creek Fire just north of Fairbanks off the Elliot Highway. This animation uses GINA heat points to track the fires growth from 18,281 to 38,881 acres over July 4-7.
Hot, dry weather means increased fire activity in the Fairbanks area. Unlike the True Color RGB (right), the #VIIRS DayFire RGB (left) used shortwave infrared to highlight the heat from flames, making active wildfires standout. #akwx #2025alaskafireseason
July 2, 2025 at 11:09 PM
Hot, dry weather means increased fire activity in the Fairbanks area. Unlike the True Color RGB (right), the #VIIRS DayFire RGB (left) used shortwave infrared to highlight the heat from flames, making active wildfires standout. #akwx #2025alaskafireseason
Discovered June 19, near Parks Highway milepost 262, Bear Creek has rapidly become one of the largest fires this year. This animation uses GINA heat points to track fire progression over 5 days, as it grows from 20 acres at discovery to ~28,000 acres as of June 29.
BLM Fire Maps: arcg.is/1nKvW8
BLM Fire Maps: arcg.is/1nKvW8
June 30, 2025 at 10:31 PM
Discovered June 19, near Parks Highway milepost 262, Bear Creek has rapidly become one of the largest fires this year. This animation uses GINA heat points to track fire progression over 5 days, as it grows from 20 acres at discovery to ~28,000 acres as of June 29.
BLM Fire Maps: arcg.is/1nKvW8
BLM Fire Maps: arcg.is/1nKvW8
Unusually clear skies over Alaska this past week offered satellites a rare view of the whole state. Check out this VIIRS DayLandCloud clip from June 12 - 22, highlighting rapid snow melt north of the Brooks Range. #akwx
June 23, 2025 at 7:04 PM
Unusually clear skies over Alaska this past week offered satellites a rare view of the whole state. Check out this VIIRS DayLandCloud clip from June 12 - 22, highlighting rapid snow melt north of the Brooks Range. #akwx
Over the past week, the wildfires in Interior Alaska dramatically increased in size and scope. Firefighters are working to tackle the fires across the state, some of which can be seen using this VIIRS DayFire RGB, which uses shortwave infrared to highlight the heat coming off the flames. #akwx
June 22, 2025 at 7:13 PM
Over the past week, the wildfires in Interior Alaska dramatically increased in size and scope. Firefighters are working to tackle the fires across the state, some of which can be seen using this VIIRS DayFire RGB, which uses shortwave infrared to highlight the heat coming off the flames. #akwx
Last week, GINA worked with NWS Fairbanks at the Wildfire & My Community workshop. Incident meteorologist Jonathan Chriest demonstrated how IMETs like him forecast fire weather. Participants had some fun using sling psychrometers to measure relative humidity, a factor in the fire weather forecast.
June 19, 2025 at 5:13 PM
Last week, GINA worked with NWS Fairbanks at the Wildfire & My Community workshop. Incident meteorologist Jonathan Chriest demonstrated how IMETs like him forecast fire weather. Participants had some fun using sling psychrometers to measure relative humidity, a factor in the fire weather forecast.
Last week, GINA partnered with the Education and Outreach Team at the International Arctic Research Center to create and lead the Wildfire & My Community workshop. Our team provided educators and community members with geospatial tools to understand and monitor wildfires in their community!
June 19, 2025 at 12:18 AM
Last week, GINA partnered with the Education and Outreach Team at the International Arctic Research Center to create and lead the Wildfire & My Community workshop. Our team provided educators and community members with geospatial tools to understand and monitor wildfires in their community!
It’s time to say good night to NOAA-18. On June 6, 2025, the satellite was decommissioned, marking the end of a mission stretching 20 years — 18 years past its designed lifespan. With the AVHRR sensor, NOAA-18 gave us decades of data on vegetation, clouds, snow, and ice. Sleep well, satellite...
June 11, 2025 at 7:30 PM
It’s time to say good night to NOAA-18. On June 6, 2025, the satellite was decommissioned, marking the end of a mission stretching 20 years — 18 years past its designed lifespan. With the AVHRR sensor, NOAA-18 gave us decades of data on vegetation, clouds, snow, and ice. Sleep well, satellite...
In the Interior, it feels as though summer has sprung! But as this #VIIRS Snowmelt RGB shows, while there is vegetation in the Interior, the North Slope is still blanketed in snow. Melt is fast approaching, as evidenced by the advancing dark blue of wet snow in the Brooks Range. #akwx
May 19, 2025 at 7:32 PM
We at GINA had a great time at the Arctic Research Open House yesterday, where we had lots of visitors learning about our projects and products. We had great questions from kids and community members alike who came out to join the fun and sun on West Ridge. Thanks Fairbanks!
May 16, 2025 at 10:42 PM
We at GINA had a great time at the Arctic Research Open House yesterday, where we had lots of visitors learning about our projects and products. We had great questions from kids and community members alike who came out to join the fun and sun on West Ridge. Thanks Fairbanks!
This animation from May 5, 2025 shows the VIIRS Blowing Snow product, looking at the North Slope of Alaska east of Utqiagvik. Blowing snow can be seen around Prudhoe Bay, highlighted in yellow. Clouds over the ocean are show in blue/cyan, and snow and ice is colored red. #akwx
May 7, 2025 at 6:18 PM
This animation from May 5, 2025 shows the VIIRS Blowing Snow product, looking at the North Slope of Alaska east of Utqiagvik. Blowing snow can be seen around Prudhoe Bay, highlighted in yellow. Clouds over the ocean are show in blue/cyan, and snow and ice is colored red. #akwx
Join us tomorrow, Tuesday April 22 at 8 AM AKDT where GINA science education director Christi Buffington will kick off the start of GLOBE's 30th anniversary. As part of the celebrations, students from Kigiqtaq (Shishmaref) will introduce a new temperature challenge!
www.globe.gov/.../globe-30....
www.globe.gov/.../globe-30....
April 21, 2025 at 11:29 PM
Join us tomorrow, Tuesday April 22 at 8 AM AKDT where GINA science education director Christi Buffington will kick off the start of GLOBE's 30th anniversary. As part of the celebrations, students from Kigiqtaq (Shishmaref) will introduce a new temperature challenge!
www.globe.gov/.../globe-30....
www.globe.gov/.../globe-30....