Dosbat

Last May I put forward an early warning indicator for late summer sea ice crashes. What is the state of that indicator like this year?

What is the current state of sea ice in the Peripheral Seas of the Arctic Ocean?

The data is now in, so here's a look at May and prospects for the coming summer.

In the Sea Ice Prediction Network releases this year is a report from Haas et al ( PDF ). In which they note that elements of the evidence s...

Using Cryosphere Today regions, where is the low extent at present coming from?

Temperature has been obtained from NCEP/NCAR as timeseries and composites . There is evidence supporting suggestions of melt ponding along...

In comments on an earlier post Iceman raised the question of how Beaufort got in the state it is in. As I wasn't immediately able to an...

Thanks, as always, to Dr Zhang and the PIOMAS team at the Polar Science Center for making gridded PIOMAS products available to amateurs su...

The 2016 sea ice melt season in the Arctic has started, Beaufort starts early this year, but does this mean it is starting as it means to co...

In 2014 I posted about an apparent oscillation of August extent loss, I updated this with preliminary data in August 2015, but failed to r...

Beaufort has already started to collapse, I will have more about that in a post to follow when I have the time tomorrow. For now, I have ame...

So far this month NSIDC have suspended all processing of the Sea Ice Index ( G02135 ). This is explained on the NSIDC Sea Ice Index page as...

The maximum has never excited me in the way the minimum extent can, but there is something interesting about it.

PIOMAS data is now out. So here is a summary of the data based on the gridded data provided by the PIOMAS team. Once again thanks is due to...

Below is a graph of Total Precipitable Water (TPW) through January and February from NCEP/NCAR .

NCEP/NCAR temperature data is now out for February 2015, it shows January's staggering warmth in the Arctic continuing.

As promised in the comments of my previous post, I am going to break down the difference between January 2015 and January 2016 in terms of r...

Earlier this month I didn't have the time to look at January's PIOMAS data, and still don't really aim to cover PIOMAS in detail...

This post looks at why Northern Hemisphere (NH) sea ice extent is so low at present. A commenter Dreesen asked what I thought about it, an...

Well, there's been more UK flooding, this time in Scotland, however I'm not going to get into the habit of covering every flood even...