Some growth this year after the onset of melt season - but overall the decline in extent continues as normal (see second plot).
Data from https://ads.nipr.ac.jp/vishop/#/extent
Some changes to plots from previous versions.
2019/04/26
2019/04/15
2019 Nenana - River Ice breakup
The Nenana Ice Classic for 2019 ended when the Tanana river ice broke up on 14th April 2019 at 12:21 AM.
Two days before breakup:
Plots below assume AST throughout the record.
A large drop this year (earlier breakup) but is within the bounds of noise in this very noisy system. It does follow the downward trend from the 1970s.
Two days before breakup:
Plots below assume AST throughout the record.
A large drop this year (earlier breakup) but is within the bounds of noise in this very noisy system. It does follow the downward trend from the 1970s.