On Feb 24, 6:04*pm, Paul Herber
wrote:
Anyone have any idea what's up with the arctic ice maps at the moment?
I try to look athttp://www.abmcdonald.freeserve.co.uk/north.htm
frequently and even the source of these maps shows very incomplete
data.

--
Regards, Paul Herber, Sandrila Ltd. *http://www.sandrila.co.uk/* * * * *

Cryosphere Today are also having major problems with missing data see
Anthony Watts http://wattsupwiththat.com/2009/02/2...osphere-today/.
rom the Cryosphere Today website proviso

"February 17, 2009 - The SSMI sensor seems to be acting up and
dropping data swaths from time to time in recent days. Missing swaths
will appear on these images as a missing data in the southern
latitudes. If this persists for more than a few weeks, we will start
to fill in these missing data swaths with the ice concentration from
the previous day. Note - these missing swaths do not affect the
timeseries or any other plots on the Cryosphere Today as they are
comprised of moving averages of at least three days.
Historic snow cover data not displayed on these images. Sea ice
concentrations less than 30% are not displayed in these images. Snow
cover data is displayed only for most recent dates."

http://igloo.atmos.uiuc.edu/cgi-bin/test/print.sh

I did email them weeks ago when ice around Labrador kept coming and
going over the space of days it would seem from Anthony Watts blog its
been going on for well over a month, nearly two in fact.