CIRA

@CIRA_CSU • 38,026 subscribers

CIRA research and PR at CSU. Media requests: https://t.co/YElk2IGRBJ. CIRA homepage: https://t.co/gEk31pXkRq

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CIRA

Shorts

Yesterday, stratus clouds flowed northward along the California coast, filling in bays as it passed.

Impressive satellite view of an outflow boundary expanding from a collapsing storm in Texas today.

The three Category 5 storms of the 2025 Atlantic hurricane season.

From tropical storm to Category 5 hurricane in 24 hours. Hurricane Milton underwent simply astonishing rapid intensification.

Rainfall ahead of Hurricane Helene primed the stage for devastating flooding across North Carolina. This view shows the evolution of both systems that ushered in tremendous amounts of rain.

Prolific lightning flashes within Hurricane Milton's eye wall. An incredible full day view of the Category 5 storm.

Hurricane Melissa spent over three days as a major hurricane, becoming one of the strongest Atlantic storms on record. This loop from Saturday night to Wednesday morning follows Hurricane Melissa during its time as at least a Category 3 storm.

A dire situation is unfolding tonight as wildfires rage in Southern California. Communities continue to be significantly impacted by the Palisades and Eaton Fires.

Over the course of twelve days in March, Tropical Cyclone Narelle circumnavigated Australia, going from one side of the country to the other. JPSS weather satellites captured every day of the extraordinary journey in this composite imagery.

Gravity waves mesmerize over Pennsylvania today.

Following their dance together near the United States' East Coast, the last few days saw Hurricane Imelda absorb the remnants of Hurricane Humberto after its dissipation.

Incredible imagery of a derecho marching across the Midwest this afternoon.

Stunning satellite imagery shows the Park Fire exhibiting extreme wildfire behavior. Today, the fire has exploded in size to more than 120,000 acres.

An atmospheric river continues to drench the Pacific Northwest in heavy rainfall, resulting in a widespread flooding threat across western Washington. This timelapse since the beginning of the week shows the relentless plume of moisture that has soaked the region.

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.

Striking satellite imagery of a dust storm blowing across Illinois this afternoon.

An absolutely stunning view today of Hurricane Humberto, a Category 5 storm.

A large low spins off the West Coast of the United States.

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

Hurricane Erin moves northward near the East Coast in this satellite imagery over the last couple of days. As it pulls away to the east, Erin is undergoing extratropical transition.

Videos

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Yesterday was the beginning of the 2026 Atlantic Hurricane Season. Let's look back on the major Atlantic landfalling hurricanes since 2020.

Hurricane Melissa's historic journey through the Caribbean and Atlantic.

The parade of West Coast storms over the last ten days.

California's Central Valley has been shrouded in Tule fog for the last 16 days.

Cloud streets are a captivating sight seen around the world. Watch this video to learn more about them.

Hurricane Milton's remarkable evolution across the Gulf of Mexico to the Florida shore.

Every Category 4 and 5 Atlantic hurricane since 2020, all together, in one group photo. H/t to Michael Ferragamo for the inspiration.

From its formation as a tropical storm in the Caribbean Sea to its dissipation over the North Atlantic Ocean, this satellite imagery showcases the eventful eleven-day journey of Hurricane Melissa.

An impressive satellite visual of Debby evolving over the last five days. Debby has wreaked havoc up and down the U.S. East Coast.

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.

The Smokehouse Creek fire and others merged into the second largest fire in Texas's history over the course of the last two days. The fires are highlighted in white, while clouds are dark grey or blue.

This imagery spanning the last 16 days showcases Hurricane Beryl- from its formation as a tropical storm, through the post-tropical severe weather and flooding it brought to eastern North America.

The Park Fire is now California's sixth largest wildfire in recorded history. This view shows the evolution of the Park Fire smoke plume over the last five days.

The former largest iceberg on Earth, A23a, continues to break into pieces to the north of South Georgia Island in the southern Atlantic Ocean.

A multi-day timelapse from last week of the wildfires spreading near Los Angeles.