Negative -CG Sprites Captured on June 07, 09 and 23, 2014

Preliminary data and images and movies with radio emissions of rarely captured negative cloud to ground lightning generated sprites.

Data on these events are still being collected and this page will be updated soon. This is preliminary information only.

Thomas Ashcraft 35.50 N, -105.89 W Mail More various observations

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June 07 2014 04:28:44.754 UT Peak Current -98.0 kA Charge Moment Change -511 C*km Location 36.6147 N, -99.9231W

SPJune072014neg0428447439crop10
SPJune072014neg0428447439720

Low light video image

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June 07 2014 04:28:47.619 UT Peak Current -172.0 kA Charge Moment Change -815 C*km Location 37.0268 N, -99.5876 W

SPJune0720140428476133IMG6892crop10
SPJune072014042847720bw

June 07 2014 0428:47.6133

Below : video of above events with radio emissions.

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Following are two more negative CG sprites at 0434:40.9171 UT and 0434:43.3527 UT. No near infrared dslr images for these unfortunately. Movie has ELF-VLF radio emissions on one stereo channel and 2.5 MHz WWV on the other channel.

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June 07 2014 04:34:40.898 UT Peak Current -80.0 kA Charge Moment Change -277 C*km Location 36.4911 N,-99.2502 W

SPJune0720140434409171720bw

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June 07 2014 04:34:43.342 UT Peak Current -182.0 kA Charge Moment Change -359 C*km Location 36.8045 N. -99.7004 W

SPJune0720140434433527neg720bw

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June 09 2014 05:05:24.248 UT Peak Current -156.0 kA Charge Moment Change -621 C*km Location 36.5787 N, -100.4636 W

neg

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June 23 2014 08:05:04.805 UT Peak Current -259.0 kA Charge Moment Change -364 C*km Location 36.2051 N, -99.4127 W

SPnegJune2320140805048158720sig

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