Asset Details
Do you wish to reserve the book?
A Multiband Optical‐Radio View of Lightning Return Strokes Exposes Divergent 337/777 nm Emission Dynamics
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
A Multiband Optical‐Radio View of Lightning Return Strokes Exposes Divergent 337/777 nm Emission Dynamics
Do you wish to request the book?
A Multiband Optical‐Radio View of Lightning Return Strokes Exposes Divergent 337/777 nm Emission Dynamics
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
A Multiband Optical‐Radio View of Lightning Return Strokes Exposes Divergent 337/777 nm Emission Dynamics
2026
Overview
Simultaneous observations of ultraviolet (337 nm) and near‐infrared (777 nm) lightning emissions provide insight into streamer and leader processes. However, coordinated ground‐based measurements of these bands during return strokes remain scarce. We present multiband optical and broadband radio (0.1 Hz–5 MHz) observations of 11 cloud‐to‐ground flashes (0.6–4.2 km range). For first return strokes within the photometer field of view, the 337 nm peak precedes the 777 nm peak by 38 μs on average, and 45 μs for subsequent strokes. The 337 nm emission shows faster rise times (∼5 μs) than 777 nm (∼30–40 μs) and correlates more strongly with peak current (R2 = 0.62 vs. 0.25). Temperature estimates indicate a hotter channel at the 777 nm maximum. Our findings demonstrate that near‐UV emissions provide a sensitive ground‐based diagnostic of the lightning attachment process and may offer improved optical proxies for estimating peak current.
Publisher
John Wiley & Sons, Inc
Subject
