Rocket Lab has announced it will not be going ahead with today's test launch.

The company announced it would wave off today's launch attempt of the Electron rocket due to high upper level winds.

The day opened as a no-go for launch due to high shear winds, however initial data indicated weather conditions could improve slightly to allow for a launch attempt as the day progressed.

Shortly prior to the daily launch window opening at 14:30 NZDT (1:30 UTC), weather data indicated core jet stream wind speeds would have violated conservative launch criteria set for a test flight. Parameters will be opened to allow for higher wind tolerances once commercial flights begin.

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Rocket Lab is currently targeting no earlier than 14:30, Friday 15 December NZDT (1:30 UTC) for the next launch attempt, while continuing to monitor weather conditions. The 'Still Testing' launch window remains open until and including December 17 NZDT.

- Real-time updates can be found on Twitter @RocketLab