Many rolls of gravity wave clouds wash over the skies above the Southern US this afternoon.

Sunlight reflects off of the mighty Amazon River.

On the West Coast, several days of non-stop winter weather dumped multiple feet of snow in the Sierra Nevada mountains, with the Lake Tahoe region receiving 111 inches (281.5 cm). This before and after animation shows the impact the winter storms had on the mountain range. (7/7)

This image of snow and lake ice in the Midwest and Great Lakes region contains the snowmelt product from the Suomi-NPP weather satellite at 19:00 UTC on 2026-02-23.

Other parts of the country were no stranger to winter weather either in late February. A significant winter storm carved through the Midwest, outlined by a path of snow through Nebraska, Iowa, and Wisconsin, while lake ice is present atop bodies of water like Green Bay. (6/7)

This image of a snowy Northeast US contains the GeoColor product from the GOES-19 weather satellite at 15:30 UTC on 2025-02-24.

A snowy landscape was left behind across the Northeast US, where Boston, Philadelphia, and New York City each saw between 1-2 feet (20-30 cm) of snow. The hardest hit areas were Massachusetts and Rhode Island, where 37.9 inches (96.3 cm) fell just outside Providence. (5/7)

This composite zoomed-out image showing the full size of the nor’easter contains the true color product from the JPSS weather satellites, using images taken between 16:05 to 18:36 UTC on 2026-02-23.

Zooming out shows the full breadth of the Blizzard of 2026. An associated frontal boundary with the system wraps around the central low and extends south all the way to Cuba. Cloud streets form as a cold airmass moves over the warmer waters of the Atlantic Ocean. (4/7)

This image of the strong winter storm and blizzard associated with the nor’easter contains the visible (band 2) and infrared (band 13) products from the GOES-19 weather satellite at 13:41 UTC on 2026-02-23.

Heavy snow fell across New England and the Mid-Atlantic from the nor’easter. A sandwich view of the visible (band 2) and infrared (band 13) products showcase the cloud structure and intensity of the winter storm, highlighted by the blue and green brightness temperatures. (3/7)

This image of thundersnow over Manhattan contains the GeoColor and GLM Group Energy Density products from the GOES-19 weather satellite at 05:29 UTC on 2026-02-23.

The nor’easter quickly intensified as it moved northward, becoming a bomb cyclone. Lightning flashes were witnessed within the strengthening system, a phenomenon in winter storms known as thundersnow. One such occurred over New York City on the morning of February 23rd. (2/7)

This image of a nor’easter at night contains the Day-Night Band product from the NOAA-20 weather satellite at 06:27 UTC on 2026-02-23.

From mid-to-late February 2026, a barrage of winter storms impacted the United States, including a historic nor’easter referred to as the Blizzard of 2026. At night, the system could be seen by the NOAA-20 weather satellite extending along the East Coast. (1/7)

Clouds spiral around a low-pressure system over the Norwegian Sea.

Easterly winds cause ice to shift on the surface of Lake Erie.

CSU student Kristina Moen researches the texture of satellite imagery. Moen works with Research Professor Imme Ebert-Uphoff (CIRA & Electrical & Computer Engineering Department). Associate Professor Emily J. King based out of CSU's Department of Mathematics serves as Moen's primary Ph.D. advisor.

A band of snow spanning multiple Midwest states was visible last night under the waxing gibbous moon. Chunks of lake ice can also bee seen floating on the waters of Lake Michigan and Green Bay.

A swirling low off the coast of Morocco wraps itself in Saharan dust.

Captivating cloud streets flow over the Gulf of Alaska.

In South Florida where there are extreme drought conditions present, the National Fire burns thousands of acres and releases large amounts of smoke into the sky over the region.

In the Indian Ocean yesterday, Tropical Cyclone Horacio rapidly intensified into the equivalent of a category-5 hurricane, developing a strong eye at its center.

In the wake of a historic nor'easter, a snowy landscape blankets the Northeast US from the monumental blizzard that swept through the region.

A lifetime look at the impactful nor'easter that pounded the northeastern U.S.

A still satellite image of the blizzard of 2026 in the Northeast United States. This image contains the GeoColor product from the GOES-19 weather satellite from the evening of 2026-02-23.

A view we will not soon forget.

The Blizzard of 2026.

This composite satellite imagery was captured from the JPSS weather satellites using the day cloud phase distinction product. It contains images captured from 16:05 to 17:47 UTC on 2026-02-23.

A riveting view of the dynamic nor'easter swirling just off the East Coast today.

Several wintry features are visible across the eastern United States today. From the powerful nor'easter sideswiping the East Coast, to lake effect snow clouds flowing off the icy Great lakes, to a large path of snow carving through parts of the Midwest.

Many locations in the Northeast US have received over a foot of snowfall since yesterday morning due to a relentless winter storm and blizzard from a powerful nor'easter.

Sunrise on the northern East Coast of the U.S. as a potent nor'easter brings heavy snow and strong winds to the region.

Major Northeast Blizzard | CIRA Satellite Library | Weather Climate Imagery

This imagery is available for use and can be downloaded from the Satellite Library:

satlib.cira.colostate.edu/event/major-...

Still satellite imagery of a nor'easter. This image contains the GeoColor product from the GOES-19 weather satellite from the morning of 2026-02-23.

A stunning satellite shot of a powerful nor'easter.

A rapidly-intensifying nor'easter strikes the East Coast, where blizzard conditions are afflicting several heavily-populated metros.

Major Northeast Blizzard | CIRA Satellite Library,Weather Climate Imagery A major winter storm takes aim on the Northeast United States. Blizzard and winter storms warnings are in effect from Washington D.C. to Boston.

We have put together a page on the Satellite Library where all of our imagery related to the winter storm will end up.

satlib.cira.colostate.edu/event/major-...

A blockbuster winter storm takes shape in the Northeast.

The Sierra Nevada mountains are sporting a fresh new snowpack following a barrage of winter storms this week that dropped up to multiple feet of snow in some locations.