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  1. Leonid Meteors, 17 Nov 2014

    00:19

    from ZT Research / Added

    262 Plays / / 0 Comments

    Leonids meteors captured from Rapid City, South Dakota during the night of 17 Nov 2014 using a Watec Ultimate 902 H2, 6 mm f/1.4 lens and UFO Capture. Date and time are GMT (UTC). It appears the…

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    • Perseids 2014, Rapid City, South Dakota

      00:49

      from ZT Research / Added

      510 Plays / / 0 Comments

      View of the Perseids captured by a low-light Watec Ultimate H2 video camera. The camera is normally used to image sprites from distant thunderstorm complexes.

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      • Cloud Shadows and Wildfire Smoke

        00:22

        from ZT Research / Added

        559 Plays / / 0 Comments

        One of my infrared-triggered digital cameras used to capture lightning flashes recorded an interesting event on the morning of 23 July, 2014. As the sun rose behind a line of weak developing storms,…

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        • The Five Ways Lightning Can Injure or Kill You

          20:23

          from ZT Research / Added

          589 Plays / / 0 Comments

          This is a 20 min discussion on the five different ways lightning can injure or kill you. It also discusses how to stay safe from lightning and addresses 10 common myths about lightning.

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          • Lightning Attachment

            00:30

            from ZT Research / Added

            1,426 Plays / / 0 Comments

            High-speed video (7,207 images per second) of a downward propagating negative lightning leader attaching to a tall TV tower. The downward negative leader induces and upward propagating positive leader…

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            • Pour Down Thy Weather - Trailer

              01:51

              from ZT Research / Added

              1,473 Plays / / 0 Comments

              This is the 2-minute trailer for the 7-minute feature "Pour Down Thy Weather" that can be found on Vimeo Video On Demand. https://vimeo.com/ondemand/pourdownthyweather “Pour Down…

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              • Lightning Triggered Upward Lightning

                01:06

                from ZT Research / Added

                4,477 Plays / / 0 Comments

                HD video of a downward positive cloud-to-ground flash triggering an upward positive leader from a TV tower in Rapid City South Dakota. An upward positive leader initiates from a TV tower about 130…

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                • Upward Lightning Triggered by Nearby Positive Cloud-to-Ground Flash

                  00:11

                  from ZT Research / Added

                  229 Plays / / 0 Comments

                  Animation of how a nearby positive cloud-to-ground flash can trigger upward positive lightning leaders from tall objects. The return stroke of a nearby positive cloud-to-ground flash causes a large…

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                  • Upward Lightning Triggered by Negative Leaders of a Intracloud Flash

                    00:09

                    from ZT Research / Added

                    106 Plays / / 0 Comments

                    Animation of how negative leaders from an intracloud lightning flash can trigger upward positive lightning leaders from tall objects. The horizontally extensive negative leader development from an…

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                    • Upward Lightning Triggered by Distant Positive Cloud-to-Ground Flash

                      00:13

                      from ZT Research / Added

                      90 Plays / / 0 Comments

                      Animation of how a distant positive cloud-to-ground flash can trigger upward positive lightning leaders from tall objects. The negative leader development following the positive cloud-to-ground return…

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                      • Thundersnow

                        00:45

                        from ZT Research / Added

                        1,118 Plays / / 0 Comments

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                        • Thundersnow in Rapid City, South Dakota, 10/4/2013

                          00:35

                          from ZT Research / Added

                          1,115 Plays / / 0 Comments

                          Thundersnow during the beginning of a blizzard for Rapid City, South Dakota. There was about 3 inches of snow on the ground with moderate snow.

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