Infrared images from #SuomiNPP #VIIRS showed the opening of very long ice leads in the Beaufort Sea during the past 2 days. Full resolution: cimss.ssec.wisc.edu/satellite-bl...
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Posts tagged #VIIRS
A view of the southeastern United States from about 2550 kilometers above the western Caribbean. White cloud streets frame the coastline. The image was created from data collected by Suomi-NPP/VIIRS on February 1, 2026.
Winter winds push cool dry air across the southeastern United States. Once the winds reach the Atlantic Ocean and Gulf of Mexico, they pick up moisture, and rotating convective cells form #cloudstreets.
A larger version of this image is here:
photos.app.goo.gl/fy4RGMyyTK54...
#VIIRS
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VIIRS DayNight Band and CIRA SnowCloud Discriminator image of the Seward Peninsula, Bering Sea and Bering Sea Ice. This image uses the DayNight band image to colorize clouds so we can tell different types of clouds apart. High clouds are shown in magenta, middle clouds in orange and lower clouds in yellow.
VIIRS DayNightBand view of the northern Alaskan gulf coast, highlighting Anchorage city lights.
A VIIRS DayNight Band image of the entire state of Alaska highlighting auroral activity. Aurora is shown in bright white to light cyan.
Did you know satellites can see in the dark? #VIIRS DayNight Band (DNB) keeps satellite observations going all night! These images showcase the diverse applications of DNB imagery. From navigating sea ice, to tracking northern lights. Explore DNB imagery & GINA's products here --> gina.alaska.edu
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#VIIRS Infrared images from #SuomiNPP and #NOAA21 showed widespread ice leads in the Chukchi Sea during 6-8 January. A combination of ocean currents and wind stress influenced the motion and evolution of these ice leads.
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VIIRS DayLandCloud RGB showing ice fog extent in the Fairbanks Area. More concentrated patches of ice fog are shown in brighter white and are circled, a thinner layer of fog is depicted in less bright white across the image.
Photo of ice fog covering Fairbanks taken from Akasofu Building on the University of Alaska Fairbanks West Ridge.
Interior Alaska’s cold snap has created persistent ice fog, which GINA has monitored from the ground and space 🛰️ Check out this photo taken by a GINA employee from the UAF campus on Dec. 29 vs. a #VIIRS DayLandCloud RGB captured via the NOAA 20 satellite a few days later.
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The satellite signature of cold air drainage into lower-elevation features such as river valleys along the Brooks Range of Alaska is very apparent in this comparison of #SuomiNPP #VIIRS Infrared imagery and Topography. #AKwx Full resolution: cimss.ssec.wisc.edu/satellite-bl...
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Satellite image of the Arctic Ocean north of the northern Alaska coast. The image shows sea ice concentration, with 100% concentration as white and lower ice coverage as reds and greens. In the image you can see leads and fractures in the ice, shown as lines cutting through white ice.
Satellite image of the Arctic Ocean north of the northern Alaska coast. The image shows sea ice surface temperature, with the coldest temperatures as purple/magenta and warmer temperatures as blue-green and can. In the image, the coldest sea ice is located north of Siberia closer to the North Pole.
There were clear skies over the Arctic Ocean yesterday, giving us a view of the #icepack north of Alaska. These #VIIRS images show the complex structure of fractures and leads (left) and the ice surface temperature, which is coldest (purple/magenta) close to the North Pole (right). #akwx #seaice
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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.
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Winter is on its way with snow beginning to fall across Alaska, starting north of the Brooks Range! Check out these #VIIRS DayLandCloud RGB’s from August 24th and September 15th which use cyan to highlight snow. Can you spot the difference? ❄️ #akwx
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Apparently, between mid-August and now the endpoint we were using to download #VIIRS satellite data from #NASA has disappeared.
I am trying really, really, really, hard to discuss political issues in this account, because I would like to make this one all about science, but sheesh.
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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
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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
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#NOAA21 #VIIRS GeoColor images (with an overlay of Fire Radiative Power) at 1755 UTC & 1943 UTC on July 10 showed a large wildfire in western Ontario that produced a significant #pyrocumulonimbus cloud - more on the CIMSS Satellite Blog: cimss.ssec.wisc.edu/satellite-bl...
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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.
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A VIIRS Day Fire RGB satellite image showing wildfires in the Fairbanks area, active wildfires are highlighted in bright orange.
A True Color satellite image showing wildfires in the Fairbanks area.
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
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True Color satellite image of western Alaska focused on the Kotzebue Sound. The image shows land fast ice close to shore and pack ice farther out to sea.
This #VIIRS True Color RGB of Kotzebue Sound shows land fast ice hugging the shore which transitions to loose pack ice further into the Chukchi Sea. At this time of year, True Color imagery is useful for distinguishing sea ice features. #akwx #seaice
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Satellite image of Alaska, focused on the west coast of Alaska and the Seward Peninsula bordering the Chukchi Sea. The image uses cyan to show snow and sea ice, and bright green and brown to show bare ground and vegetation. Snow is seen inland toward the North Slope and Brooks Range, and bare ground is seen moving south and toward the Interior.
It was a clear day over the Seward Peninsula yesterday. As this #VIIRS DayLandCloud image shows, there is sea ice in Kotzebue Sound – with large open water areas that have opened up further into the Chukchi Sea – and a mix of bare ground and snow moving inland. #akwx
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Satellite image of Alaska, shown using the VIIRS Snowmelt RGB. This highlights old/wet snow in dark blue and new/dry snow in light blue, with any bare ground or vegetation shown in bright green. The image shows Interior Alaska is mostly green and snow free, the Alaska Range is mostly dark blue, and the North Slope is mostly light blue with some dark blue on the southern edge of the Brooks Range.
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
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The vortices are also apparent in a toggle between #SuomiNPP #VIIRS Visible images valid at 2202 UTC and 2342 UTC on 20 March: cimss.ssec.wisc.edu/satellite-bl... #AKwx
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¿Sabías que los satélites también curiosean cada milímetro de luminosidad durante la noche?🛰️ 💡
El #PostEarth 🗺️🌍🎨nº31 va dedicado a las personas que tienen luz propia y brillan en medio de la nada. América del sur durante la noche con una recopilación de datos #VIIRS en 2024
#eARTh #NightLight
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During the overnight #LunarEclipse, here's an animation that steps through #SuomiNPP+#NOAA21 (white labels) and #NOAA20 (cyan labels) #VIIRS Day/Night Band images -- note the lack of illumination by moonlight in the earlier images (only city lights & aurora): cimss.ssec.wisc.edu/satellite-bl...
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#NOAA20 #VIIRS provided a nice view of Sea Surface Temperature patterns over the western Atlantic and the Gulf of Mexico today - more on the CIMSS Satellite Blog: cimss.ssec.wisc.edu/satellite-bl...
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A #SuomiNPP #VIIRS Day/Night Band image provided a high-resolution view of the cloud-filled eye of #Zelia shortly after the tropical cyclone made landfall along the coast of Western Australia.
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ℹ️🛰 Unlocking the power of satellites for Canada’s crops
➡️ Experts from #AAFC and #NRCan work to harness the power of satellite data to monitor agricultural conditions in near-real-time, allowing people to make timely smart decisions. #VIIRS #CDNAg #CSA #NASA #USGS ⤵️
🔗 search.app/pCZX7NHuLd69...
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A23a, the world's largest #IceBerg, is on a collision course with South Georgia. The ice sheet, covering 3,500 km², broke off from Antarctica in 1986.
Compilation of multiple imagery from #VIIRS (NOAA-20 & SNPP) and #MODIS (Aqua & Terra).
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For those interested in a meteorological/weather-satellite perspective on the #PalisadesFire, Bill Line has posted animated imagery and commentary on the excellent Satellite Liaison Blog. #goes #weather #fire #california #satellite #viirs #noaa20 satelliteliaisonblog.com/2025/01/08/j...
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A #NOAA20 (mislabeled as NPP) #VIIRS Day/Night Band image provided a detailed view of the #pyrocumulonimbus cloud shortly after its formation. The observation for Melbourne Airport is plotted in cyan.
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