Buzz
Atmospheric phenomena unfold continuously in various forms. From rainfall to tornadoes, the forces at play in the layers of air around us often impact our lives, whether positively or negatively. However, there are some events that remain elusive, so extraordinary that they leave even scientists puzzled and searching for explanations.
Many natural events occur in specific regions of the Earth, where conditions are just right. However, a wide range of atmospheric phenomena—some of the rarest ones included—are capable of happening anywhere across the planet at any time. This list, therefore, brings together some of the most incredible and lesser-known skyward processes witnessed by humankind, for your consideration.
10. Positive Superbolts
Ordinary lightning can carry up to a billion volts of electricity. Now, picture a lightning strike 1,000 times more powerful than the average bolt. That’s the basic concept behind a superbolt, which is arguably the most powerful form of lightning on Earth. Alongside its immense power, it is one of the rarest events, with only five superbolts occurring for every 10 million regular lightning strikes.
Superbolts were first observed in the 1970s when satellites in orbit detected massive electric discharges over the Pacific Ocean. Superbolts are a type of lightning that forms in storms with positive electric charges, which is already a departure from the typical lightning, which originates from negative charges. The most remarkable feature of superbolts is that they are so powerful, they last longer than regular lightning, making them capable of storing an immense amount of energy.
Due to their immense power, superbolts are incredibly destructive, with the potential to destroy any structure not built to withstand such a discharge. In 2012, residents of Oklahoma were startled in the early morning by a thunderous sound that triggered car alarms throughout the neighborhood. Initially, they believed it was an earthquake, but later, authorities confirmed that the cause of the ground shaking was a superbolt.
9. Ocean-Sucking Hurricanes
In September 2017, the people of the Bahamas were astonished to witness the ocean in front of them vanish, leaving miles of dry seabed exposed as far as the eye could see. A few days later, the same phenomenon occurred along the coasts of Florida, where the water mysteriously receded.
The cause of this unusual event was Hurricane Irma, one of the most powerful hurricanes ever recorded. In the storm's eye, or center, the atmospheric pressure was so low that it acted like a giant vacuum cleaner, sucking seawater into the storm. The water was collected within the storm's inner walls as it moved forward. A portion of the ocean was even lifted into the sky by the storm, and after a few days, the water quickly returned to the seabed.
Hurricane Irma wasn't the first storm to perform such a remarkable feat. In fact, another hurricane in the Bahamas in 1936 also drained the nearby ocean area. The sudden drying of the ocean floor can resemble a sign of an impending tsunami, but despite the appearance, it is not a direct warning. Still, staying in such a location for too long can be just as perilous.
8. Crown Flashes
In June 2015, a YouTuber from Indiana had a unique encounter while biking on the outskirts of Greenwood city. He witnessed a strange light moving between the clouds, as if someone were playing with a flashlight in the sky. The YouTuber, known as QuadeM13, quickly recorded and shared the sight online. Soon after, conspiracy theories emerged, but a scientific explanation eventually clarified the mystery.
The so-called 'dancing light' in the sky was actually a phenomenon known as a crown flash. Crown flashes resemble another atmospheric light effect called sundogs, which occur when ice crystals in the air refract sunlight. However, unlike sundogs, crown flashes are dynamic, rotating, and constantly changing in shape. When lightning disrupts the electric field between the clouds, floating ice crystals realign with each discharge. These crystals act as a 'lens,' refracting sunlight, so every time the crystals rotate, the beam of light spins and moves, resulting in a crown flash.
Crown flashes are a rare phenomenon, though they can occur in any thunderstorm. The earliest recorded mention of this event dates back to 1885, but it is only in the last few decades that we've been able to capture crown flashes on video and other visual media.
7. Meteors' Bloody Rain
In 30 BC, Egypt experienced 'showers of blood mingled with water,' while 'comets were seen in the heavens.' In 1017 AD, a 'comet' was visible in France's sky for four months, and that same year, 'it rained blood.' In July 2001, Kerala in India also witnessed red rain following reports of a meteor airburst in the sky.
These and similar stories share at least two key features. First, the rain that fell during these events resembled blood in color. Second, these strange rains were preceded by sightings of meteors or comets in the sky.
So, were these rains truly made of blood? The answer remains uncertain, but studies suggest a link between such rains and living organisms. Research on the red rain in Kerala revealed that the liquid contained traces of DNA. Furthermore, two scientists involved in the study estimated that the total amount of rain that fell contained approximately 50 metric tons of 'biological cells.'
As for the possibility of the substance having extraterrestrial origins, the cells in question are now believed to be from terrestrial algae. However, red rain has been cited as potential evidence supporting the panspermia theory, which posits that life on Earth may have originated in outer space.
6. Dry Microbursts
Microbursts are powerful wind currents with a brief duration. They descend vertically from storm clouds, and upon hitting the ground, they spread out in all directions at speeds reaching around 160 kilometers per hour (100 mph), causing significant damage. Microbursts are so destructive that many people who experienced them initially believed they had been struck by a tornado.
Microbursts occur when large clouds, typically cumulonimbus, move into a dry, cold air mass. This causes the ice crystals in the clouds to melt, which cools the surrounding air. Once the air is cooled, it descends rapidly to the surface, often bringing heavy rain. While a wet microburst, which carries rain, is easier to detect, another more lethal type—dry microbursts—goes undetected.
Dry microbursts differ from others in that the rain evaporates before it reaches the ground due to the warmer air at the surface. As a result, these microbursts appear as a column of air with no visible rain. Although invisible, these winds have the same destructive force as their wet counterparts.
In recent decades, microbursts have been responsible for a number of air accidents, leading to approximately 500 fatalities. Unfortunately, our understanding of how microbursts form is still limited, making it difficult to predict their occurrence or location.
5. Meteotsunamis
Tsunamis are commonly known as massive waves triggered by seismic activity. However, earthquakes are not the only cause of tsunamis. There is an atmospheric phenomenon known as a meteotsunami, capable of producing large and devastating waves. These should not be confused with storm surges, which are another wind-driven water phenomenon.
Meteotsunamis are a rare natural phenomenon that occur when intense storm fronts create significant differences in air pressure over bodies of water. This pressure difference generates a large wave, which moves in tandem with the storm. Upon reaching the coast, the wave slows and increases in height. Once it hits the shore, the meteotsunami continues to surge forward, wreaking havoc and causing fatalities in its wake.
The largest recorded meteotsunami took place in 1929 in Michigan, with a height of 6 meters (20 ft), claiming the lives of ten people. A smaller, 1.5-meter (5 ft) wave hit Majorca, Spain, in July 2018, resulting in the tragic death of a German tourist who was swept into the sea. Meteotsunamis can strike anywhere globally, and scientists are still unable to accurately predict their occurrence.
4. Antimatter Storms
Antimatter has long been a popular element in science fiction, featured in works such as Star Trek and Angels and Demons. In reality, antimatter exists as a substance with the opposite charge to ordinary matter. When antimatter interacts with regular matter, the two substances annihilate each other in a violent explosion, releasing a significant amount of gamma rays. Although antimatter could potentially serve as an incredibly powerful energy source, producing it is prohibitively expensive. Interestingly, antimatter is not a rare substance, and we don't need to travel to distant planets to find it.
Researchers have long known that lightning generates substantial gamma rays. In 2015, a team from the University of Kyoto set up gamma-ray detectors along Japan's coasts. In February 2017, these devices registered bursts of gamma radiation following a lightning strike. The most intense burst, lasting a minute, resulted from the disintegration of nitrogen atoms. These atoms, destabilized by the gamma rays, released positrons—the antimatter counterparts of electrons. Essentially, thunderstorms create antimatter, and when it interacts with regular matter, even more gamma rays are emitted.
Teruaki Enoto, the lead of the project, shared his thoughts after the discovery, saying, "We have this idea that antimatter is something that only exists in science fiction. Who knew that it could be passing right above our heads on a stormy day?" Furthermore, we now understand that thunderstorms are not confined to Earth—lightning has been observed on planets like Jupiter, suggesting that antimatter might be more common than previously thought.
3. Little Black Holes
Ball lightning remains one of the most perplexing atmospheric phenomena. Although over 10,000 sightings of ball lightning have been reported globally, scientists still struggle to agree on its nature. Most reports describe luminous spheres that hover near the ground before vanishing after a few moments. Theories about this phenomenon range from simple optical illusions to antimatter meteorites, but none of them have gained universal acceptance. If you think that sounds strange, consider this: one theory proposes that ball lightning may actually be tiny black holes.
In 2001, Mario Rabinowitz from Stanford University presented a study suggesting that ball lightning could be tiny black holes (LBHs). While a cosmic black hole is massive with a diameter spanning many stars, an LBH is subatomic in size and has a much smaller mass, though enough to emit radiation. When such an LBH enters Earth's atmosphere, it releases its stored energy as radiation, ionizing the surrounding air and creating plasma. This process gives ball lightning its glowing appearance. However, as the LBH loses energy, it eventually vanishes in a dramatic explosion.
While this theory might sound a bit outlandish, there are numerous reports that seem to support it. For instance, in 1992, an incident occurred in North Wales where an orb of ball lightning struck an oak tree, causing it to explode and scatter pieces of wood everywhere. The eyewitness described the event as the ball lightning emitting "waves of lightning" in all directions before it vanished. This account closely resembles the way plasma behaves in our atmosphere.
So, if you're ever fortunate (or perhaps unlucky) enough to witness ball lightning firsthand, consider yourself in the presence of a miniature black hole.
2. Bright Nights
Throughout history, there have been instances when the night sky was so illuminated that visibility was nearly as good as during daylight hours. In some cases, people could read a book in the middle of the night or see objects hundreds of meters away without the aid of moonlight. For instance, in the first century BC, there are records of a "nocturnal sun" high in the sky. Similar accounts of "bright nights" have been reported from the 18th to 20th centuries. Various theories have been proposed to explain these occurrences, ranging from meteor showers to auroras, though none fully align with the historical records.
Recent studies have provided an explanation. During daylight hours, ultraviolet radiation from the Sun breaks apart oxygen molecules in the atmosphere. However, when night falls and the Sun's rays no longer reach the surface, the individual oxygen atoms reassemble. In the process, they release vast amounts of energy in the form of photons, which causes a green glow in the sky, making the night appear more than ten times brighter than usual.
Bright nights are an extraordinary event, occurring only about seven percent of nights worldwide. Stories of these unusual nights have become rare, and it is increasingly difficult to witness them today due to light pollution from urban centers. Those fortunate enough to live in the right location might see just one “bright night” each year.
1. Megacryometeors
Picture yourself walking your dog when an odd noise catches your attention. You look up to the sky and see a massive block of ice hurtling towards the ground, leaving a sizable crater in its wake. This is exactly what happened to a resident of Cape Coral, Florida, in June 2017. The bizarre incident was caused by a rare natural event known as a megacryometeor, though it’s more commonly referred to as a “chunk of ice that falls from the sky.”
Megacryometeors are massive ice chunks that share the same chemical makeup as hailstones, yet they are distinct from the latter. These colossal ice blocks can weigh up to hundreds of kilograms, such as the 200-kilogram (440 lb) ice block that fell in Brazil. No storm on Earth is capable of producing hailstones of such immense size.
What makes megacryometeors even more puzzling is that they typically fall under clear skies. After ruling out the possibility of storms or aircraft causing these frozen masses, scientists believe they form in the lower stratosphere, between 10 and 20 kilometers (6–12 miles) above the ground. With reduced ozone levels, ice forms high in the atmosphere and grows as it descends. Over the past few decades, a few dozen instances of megacryometeors have been reported globally, but the unsettling truth is that these ice blocks can fall anywhere and at any time, even during the day.
