6 min read

Carrington 2026

Carrington 2026
CME: Coronal Mass Ejection

When the Sun Strikes Back

In September 1859, the sun struck the Earth harder than at any other time in recorded history.

A massive solar storm, known as a coronal mass ejection, erupted from the sun and hit Earth’s magnetic field.

The first man to witness it was an English astronomer named Richard Carrington. He was sketching sunspots when a blinding flash of white light burst from the solar surface.

Minutes later, the telegraph network across Europe and North America began to fail.

Telegraph operators reported sparks leaping from their machines. Some were knocked unconscious. Fires started on desks as paper ignited. Telegraph lines kept transmitting even after being unplugged because the storm itself was charging the wires.

In the night sky, auroras glowed as far south as Cuba and Hawaii. People could read newspapers at midnight by the eerie red and green light.

The event lasted for two days. Then it ended as suddenly as it began.

They called it the Carrington event of 1859. A one-time thing.

Why It Happened

A coronal mass ejection is a vast cloud of charged particles thrown from the sun during a flare. When that cloud reaches Earth, it slams into the planet’s magnetic field and drives electric currents through the atmosphere and the ground.

In 1859, those currents overloaded telegraph wires. Today, they could disrupt large parts of the grid and satellite-dependent infrastructure.

Modern civilization runs on delicate electronics. Power grids, satellites, airplanes, hospitals, water systems, and financial markets all depend on them.

A Carrington-level storm today could damage high-voltage transformers, disrupt satellites, and trigger cascading failures across power, communications, logistics, and finance. The scale would depend on grid conditions, preparedness, and duration.

Transformers take months or even years to replace. Without key transformers, some regions could face prolonged outages. Air travel, supply chains, emergency services, and food distribution would all come under severe strain.

Why People Thought It Could Never Happen Again

After 1859, the world moved on.

Electricity was still new. Most people didn’t understand what had happened, and there was no real reason to worry.
When smaller solar storms hit later, they caused minor issues and then faded from memory.

As technology advanced, we built networks that depended completely on constant electricity and clean data signals. We built a world more dependent on electricity, satellites, and precise timing, while mitigation remains uneven and vulnerabilities remain. Engineers and governments assumed it was a one-time fluke. The odds seemed tiny.

Quebec was even taken dark for 9 hours due to a CME back in 1989.

In 2012, NASA detected another massive solar storm that missed Earth by just a few days of orbital alignment. If it had hit, we would have learned the hard way that 1859 was not a freak accident.

Many satellites and power systems remain vulnerable to severe geomagnetic disturbance, even though monitoring and mitigation have improved. We keep telling ourselves that it will not happen again.

We say that because it is easier than admitting how fragile we really are.

If It Happened Now

Hour 0: The Flare

NASA’s satellites spot a massive eruption on the sun. It looks like an ordinary solar flare until instruments pick up the scale. A coronal mass ejection has been launched directly toward Earth. We have about 14 to 18 hours before impact.

A few government agencies quietly prepare. Most people do not hear about it. The story barely makes the news.

Hour 6: The Calm Before

Airlines receive early warnings to be ready for satellite disruptions. Power grid operators talk about shifting voltage loads. But no one really believes the worst-case scenario will happen.

Social media argues about whether it is overblown. Reddit melts down. Life goes on.

Hour 14: The Arrival

The leading edge of the plasma cloud slams into Earth’s magnetic field. Northern skies explode into color. Auroras appear over Canada, then the Midwest, then the southern states. People come outside to film it on their phones and show their followers.

Within minutes to hours, communications and GPS could degrade, and some satellites and grid components could begin to fail under severe stress.

Hour 15: Lights Out

Some electrical grids could begin to experience instability, potentially cascading across regions.

Some high-voltage transformers could overheat or fail. The hardest-hit regions would depend on grid topology, latitude, local protections, and storm intensity. Major cities could face widespread outages and communications disruption. Backup systems would come under strain, and hospitals, transit, and emergency response could face serious operational failures.

Hour 18: Widespread Disruption

Within hours, multiple power grids could be destabilized, and satellite navigation, aviation routing, and communications systems could face severe disruption.

Electronic payments and banking networks could be disrupted, especially in regions facing prolonged outages or communications failures.Water treatment plants stop pumping. Fuel stations stop running.

High-frequency communications could degrade, complicating coordination and forcing reliance on limited backup systems.

The First Night

By the first night, large populations in affected regions could be without power. The big cities, once glowing like constellations, are black voids seen from space.

In New York, people crowd into the streets thinking it is temporary. Uncertainty and resource shortages could create public disorder in some areas. In Los Angeles, traffic jams stretch for miles.

Some damaged transformers could take months or years to replace.

By morning, some major cities could be operating under severe communications, water, and power stress.

The First Week

Generators at hospitals and data centers burn through fuel within days. Food spoils. Refrigerated medicine is gone.
The average city has less than three days of food stored at any time. Without power or transport, that supply vanishes almost immediately.

The first week would likely bring severe logistical strain and growing uncertainty. Police radios are dead. Fire departments run out of water pressure.

The Real Timeline

NASA and the National Academy of Sciences estimate that restoring a modern electrical grid after a Carrington-level event could take months to years.

Transformers weigh hundreds of tons and are custom built. Many are manufactured overseas. Without power or communication, replacement and shipping would be impossible.

The cities would not wait for the lights to come back on.

They would empty.

How Major Cities Could Be Affected

Within hours of impact, multiple grids could face instability and rolling failure, depending on exposure and preparedness.

Written by Matt Stone

The Grounded guarantees factual accountability. If a paid subscriber identifies a verified factual error in our reporting, we will pay them $100.

Works Cited

Carrington, Richard C. Description of a Singular Appearance Seen in the Sun on September 1, 1859. Monthly Notices of the Royal Astronomical Society, vol. 20, 1860, pp. 13–15.

National Aeronautics and Space Administration (NASA). “Near Miss: The Solar Superstorm of July 2012.” Science@NASA, 23 July 2014, https://science.nasa.gov/science-research/planetary-science/23jul_superstorm/.

National Academy of Sciences. Severe Space Weather Events—Understanding Societal and Economic Impacts: A Workshop Report. The National Academies Press, 2008. https://nap.nationalacademies.org/read/12643.

Love, Jeffrey J., et al. “Probabilistic Estimates of Extreme Geomagnetic Storm Intensity.” Space Weather, vol. 13, no. 9, 2015, pp. 611–622. DOI:10.1002/2015SW001232.

Riley, Pete. “On the Probability of Occurrence of Extreme Space Weather Events.” Space Weather, vol. 10, no. 2, 2012. DOI:10.1029/2011SW000734.

International Telecommunication Union (ITU). “Solar Storms: Are We Ready for Another Carrington Event?” ITU Newsroom, Aug. 2024, https://www.itu.int/hub/2024/08/solar-storms-are-we-ready-for-another-carrington-event-2/.

KQED Science. “How Solar Storms That Bring Northern Lights Can Also Cause Tech Chaos.” KQED, 3 May 2023, https://www.kqed.org/science/1992826/how-solar-storms-that-bring-northern-lights-can-also-cause-tech-chaos.

Odenwald, Sten F., and James L. Green. “Bracing for a Solar Superstorm.” Scientific American, vol. 297, no. 2, Aug. 2007, pp. 80–87. DOI:10.1038/scientificamerican0807-80.