What To Know
- This confluence of data sources allowed scientists to construct a detailed, three-dimensional picture of the gigantic jet – a first in the field of atmospheric electricity research.
- Cold streamers propagate from just above the cloud top all the way to the lower ionosphere, creating a direct electrical link between the cloud and the edge of space.
- “In the absence of the lightning discharges we normally see, the gigantic jet may relieve the buildup of excess negative charge in the cloud.
In a twist straight out of science fiction, researchers have delved into the phenomenon of gigantic jets – enormous upward-facing lightning bolts that can reach the edge of space. A recent study focusing on an exceptionally powerful event in Oklahoma has shed new light on these awe-inspiring atmospheric anomalies, challenging our understanding of electrical phenomena in Earth’s atmosphere.
the twilight zone storm: oklahoma’s record-breaking gigantic jet
On May 14, 2018, the skies over Oklahoma erupted in a display of nature’s raw power that defied conventional understanding. Instead of the familiar downward lightning strikes, this tempest unleashed a colossal bolt that shot 50 miles upward, grazing the ionosphere – the boundary between Earth’s atmosphere and space.
This extraordinary event was soon classified as a gigantic jet, one of nature’s most enigmatic atmospheric phenomena. But what sets this particular incident apart is its unprecedented intensity:
- Carried an estimated 300 coulombs of electrical charge
- 100 times more powerful than typical lightning bolts
- Considered the most potent gigantic jet studied to date
unraveling the mystery: what are gigantic jets?
Gigantic jets are essentially luminous beams that form alongside regular lightning bolts but point in the opposite direction – upward towards space instead of down towards Earth. While they may share origins with their downward-facing counterparts, gigantic jets pack a much more powerful punch.
Levi Boggs, a research scientist at the Georgia Tech Research Institute and co-author of the study published in Science Advances, explains:
“These events can carry a significant amount of charge to the lower ionosphere. In fact, they could potentially pose a threat to space vehicles or other technologies in low Earth orbit.”
serendipity in science: capturing the elusive phenomenon
Despite their immense power, gigantic jets have proven notoriously difficult to study. Many sightings over the past two decades have been accidental catches by the public:
- A violet streak imaged from an airplane over Bhadrak, India
- A sighting near the summit of Shikengkong mountain in China
- NASA’s addition of an experiment to the ISS in 2013 to better observe the area above cloud tops
The 2018 Oklahoma event proved fortuitous for researchers due to its proximity to various scientific instruments:
- Satellite networks
- A lightning-mapping system detecting very high frequency (VHF) signals
- A low-light camera operated by a citizen scientist
This confluence of data sources allowed scientists to construct a detailed, three-dimensional picture of the gigantic jet – a first in the field of atmospheric electricity research.
peering into the storm: new insights into gigantic jets
The study’s findings have shed new light on the structure and behavior of gigantic jets:
Above-cloud phenomenon: Unlike regular lightning, the electrical discharge process occurs above the thunderstorm cloud.
Leader and streamer dynamics: The study provided the first clear evidence that VHF signals observed by lightning networks are produced by streamers ahead of the leader.
Direct connection to ionosphere: Cold streamers propagate from just above the cloud top all the way to the lower ionosphere, creating a direct electrical link between the cloud and the edge of space.
why do gigantic jets occur?
The research team also proposed a potential explanation for the formation of gigantic jets:
“For whatever reason, there is usually a suppression of cloud-to-ground discharges,” Boggs explains. “In the absence of the lightning discharges we normally see, the gigantic jet may relieve the buildup of excess negative charge in the cloud.”
This suggests that some thunderstorm clouds may accumulate negative energy, which eventually finds release through these spectacular upward lightning bolts.
implications for atmospheric science and space technology
The study of gigantic jets has far-reaching implications:
Atmospheric electricity: Enhances our understanding of charge distribution and movement in the upper atmosphere.
Space weather: Improves models of the ionosphere and its interactions with the lower atmosphere.
Satellite safety: Helps assess potential risks to low-orbiting satellites and space vehicles.
Climate science: Contributes to a more comprehensive picture of energy transfer in Earth’s atmosphere.
the future of gigantic jet research
As our understanding of these phenomena grows, so too does the need for more sophisticated observation techniques:
- Development of specialized instruments for detecting and studying gigantic jets
- Increased collaboration between atmospheric scientists, space physicists, and climatologists
- Potential for dedicated satellite missions to observe these events from space
nature’s light show: a reminder of earth’s mysteries
The study of gigantic jets serves as a powerful reminder that our planet still holds many secrets. These awe-inspiring displays of nature’s power challenge our understanding of atmospheric physics and offer a glimpse into the complex interplay between Earth and space.
As we continue to unravel the mysteries of gigantic jets, we not only expand our scientific knowledge but also gain a deeper appreciation for the dynamic and often unpredictable world we inhabit. From the ground to the edge of space, Earth’s atmosphere continues to surprise and inspire, proving that sometimes, the most extraordinary discoveries are hiding right above our heads.
