On Sun, 4 Sep 2016 11:59:33 -0700 (PDT)
Alastair wrote:

On Sunday, 4 September 2016 19:30:14 UTC+1, Graham P Davis wrote:
On Sun, 4 Sep 2016 09:26:37 -0700 (PDT)
Alastair wrote:

On Saturday, September 3, 2016 at 11:35:16 PM UTC+1, Lawrence
Jenkins wrote:
http://www.britishpathe.com/video/at...-at-north-pole

That was the summer before the fabled winter of 1962/63

A bit like this year!

ftp://ftp-projects.zmaw.de/seaice/AM...R2_3.125km.png
http://ocean.dmi.dk/arctic/plots/mea...meanT_2016.png
https://sites.google.com/site/arctic...entration-maps
http://polar.ncep.noaa.gov/seaice/analysis/nh.xml
http://www.iup.uni-bremen.de:8084/am...2_previous.png

Yes, except that the extent of the ice this year at the moment is
half what it was in 1963.



Hi Graham,

Where can I see charts of the sea-ice before the satellite era,
especially 1962,3 & 4?

Those covering that era (August? 1959 to sometime in 1982?) were
produced by the Met Office and should be available at their
Library/Archive but the paper copies may have gone missing. I've asked
for copies (they used to cost 3/6d!) but have been told that I can only
see them by visiting Exeter. If I'd known how important they'd become
I would've kept copies during the time I was producing them.

The Met Office started production of Arctic Ice charts after the
Danish Met Institute end theirs. Their entire production (1893-1956) is
online he http://brunnur.vedur.is/pub/trausti/. The charts are at
the bottom of the page, either as jpg or pdf.

In the absence of easily-available charts for 1963, I used the following
graph to compare 2007 with 1963:
http://arctic.atmos.uiuc.edu/cryosph....1900-2010.png
I used 2007 because this year has just overtaken that year to be in
second place behind 2012.

--
Graham P Davis, Bracknell, Berks. [Retd meteorologist/programmer]
http://www.scarlet-jade.com/
I wear the cheese. It does not wear me.
Posted with Claws: http://www.claws-mail.org/