23 Degrees observers: Photo of the week
d ~ 285'580'800 km: day 111

Andrew Kirk
The photo depicts Kelvin-Helmholtz wave clouds spotted at Bishop, California, USA by Andrew Kirk.
Aira Idris|17:58 UK time, Thursday, 21 April 2011
d ~ 285'580'800 km: day 111

Andrew Kirk
The photo depicts Kelvin-Helmholtz wave clouds spotted at Bishop, California, USA by Andrew Kirk.
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Orbit: Earth's Extraordinary Journey explores the relationship between the Earth's orbit and the weather. Previously '23 Degrees' (working title); on this blog the weather community were invited to discuss their experiences of severe weather as and when events developed and share their iwitness footage throughout 2011. The audience were provided with an insight to the making of the series and exclusive behind the scenes footage. Follow us on Twitter.
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