A patch of light above a storm cloud was enough to make a cyclist in Greenwood, Indiana stop and reach for a phone. The resulting recording, uploaded by QuadeM13 in June 2015, became known as a crown-flash video.
In the description of the original recording, the uploader says an approaching storm and an unusual light caught their attention during a bicycle ride. That first-hand account establishes the setting and keeps the account connected to a named original source.
Why the name “crown flash”?
The uploader describes an explanation involving sunlight, aligned ice particles and the electrical field around a thunderstorm. It is an interpretation of the shifting light, rather than a measurement of the cloud’s electrical conditions. The short phone recording alone cannot establish every part of that mechanism.
This distinction is useful whenever an unusual sky video circulates. The image records an appearance; a physical explanation needs additional evidence. Neither a mysterious soundtrack nor a confident caption supplies that evidence by itself.
Look at the light against a fixed reference
When watching, compare the bright area with the cloud edge and the power lines. Fixed objects help separate movement in the scene from movement of the phone. Changes in exposure can also affect how a bright cloud looks in a recording, so avoid drawing conclusions from one isolated frame.
An approaching thunderstorm deserves attention beyond its photographic possibilities. National Weather Service lightning advice puts reaching suitable shelter ahead of remaining outside to film.
For another look at changing storm skies, explore Jeff Boyce’s Edge of Stability project and Mike Olbinski’s Monsoon II.
For a designed representation of weather, compare Ken Kawamoto’s Tempescope, which turns weather data into a physical display.
Watch what changes and what remains fixed
In the recording, the useful visual reference is the cloud’s upper edge. Compare the shifting bright area with that edge and with any fixed features in the frame. This helps separate movement in the light from movement introduced by the handheld camera. It is a simple way to observe the clip carefully without assuming that the recording alone measures the process producing it.
The bicycle ride gives the recording a simple, traceable beginning: the uploader noticed an unusual light near an approaching storm and stopped to film. The fixed lines and cloud edge then help a viewer orient the changing image. That act of noticing gives the recording its interest. Someone sees a brief effect, records part of it and looks for an explanation. The value of the clip lies in preserving that observation, while recognising that a phone camera does not also measure the particles or electrical conditions inside the cloud.
The proposed crown-flash explanation and the recorded observation should remain distinct. The film shows an appearance; an explanation attempts to account for it using atmospheric conditions. Naming that distinction makes room for scientific curiosity while avoiding the false choice between treating every online explanation as proven and dismissing an unusual observation because a short phone video leaves questions unanswered.
Sources, photography and further reading
Original feature and image attributions:
- QuadeM13
- Life Buzz
- Guy Captures Crazy Close-Up Footage After Getting Caught in Tornado’s Path
- These Epic Thunderstorms Will Inspire You To Stay Inside Today.
- Stunning Photographs of Storm Clouds That Look Like a Rolling Ocean
- I Bet You’ve Never Seen A Lightning Storm Like This Before. An Astronaut Filmed This…From Space!
- Toroidal Sky – The First Ever 360-Degree Time-lapse Bends Space And Mind
- 7 Years Of Meteor Showers In One Breathtaking Timelapse.
- The World’s Best Storm Chaser Photography
- Original image link
- National Weather Service lightning advice
- Jeff Boyce’s Edge of Stability project
- Mike Olbinski’s Monsoon II
- Ken Kawamoto’s Tempescope
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