The authors regret that the wrong version of Figure 6 was published in their original paper and apologise for any inconvenience caused. The correct version of Figure 6 can be seen below and has been corrected in the online version of the paper.

In addition the Senator Beck Basin is operated by the Center for Snow Avalanche Studies (CSAS) and not the Colorado Avalanche Center as stated in the original paper. The authors apologize for this error which has been corrected where it appears in the online version of the paper.

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