Antarctic Sea Ice Extent Stats for 1st and 2nd

As of day 329 of 2013, the number of daily records and 2nd place finishes puts 2013 well out in front, but 2008 (typo corrected) still holds the most daily records.

I include 2nd place finishes to show you how remarkable 2013 has been. For 70% of the year, sea extent in the Antarctic has been a daily record or a close 2nd. And that is unusual as you see by the relatively paltry number of 2nd place days in 2008 and 2010. And of couse many of those 2nd place spots for 2010 were daily records before 2013 came along.

Year First Second Top2
2013 105 125 230
2008 123 49 172
2010 91 42 133
2009 8 33 41
2012 8 22 30
2006 1 26 27
2007 21 1 22
1979 2 12 14
2000 4 3 7
2004 3 4 7

Of course, there were a lot more records for 2008 and 2010 before January 1st.

This table is the number of 1st and 2nd place finishes at the end of 2012:

Year First Second Top2
2008 133 50 183
2010 129 27 156
2009 8 51 59
2006 27 28 55
2012 27 13 40
2005 3 21 24
2007 21 2 23
1979 2 20 22
2000 6 15 21
1998 4 16 20
2004 5 4 9
1980 1 3 4

Sea Ice Extent Update Nov 25, 2013

Antarctic Sea Ice Extent is 977,000 sq km above normal – but below the daily record set in 2010 (and probably will be for a while).

Arctic Sea Ice Extent  is 591,000 sq km below normal, but within one standard deviation.

Global Sea Ice Extent is 385,000 sq km above normal.

Antarctic_Sea_Ice_Extent_Zoomed_2013_Day_327_1981-2010

Arctic_Sea_Ice_Extent_Zoomed_2013_Day_327_1981-2010

Global Sea Ice Anomaly Since 2013 as of Day 327 in 2013

50th Daily Record in a Row for Antarctic Sea Ice Extent (and 104th in total)

November 16th 2013 (Day 320) saw the 50th Daily Record for Antarctic Sea Ice Extent in a row! It was also the 104th daily record for 2013.

I thought this graph would show 2013 below the 2010 line, but melting slowed from 150,000 sq km per day to 80,000 sq km and then 20,000 sq km per day in the last 2 days.

Antarctic_Sea_Ice_Extent_Zoomed_2013_Day_320_1981-2010

Year No of Records
2008 123
2013 104
2010 92
2007 21
2009 8
2012 8
2000 4
2004 3
1979 2
2006 1

Antarctic Sea Ice Extent – 2013 Passes 2010 For Number of Daily Records

2013 has now passed 2010 for number of daily records and is now in 2nd place. (Data as of day 315 Nov 11, 2013).

Year No of Records
2008 123
2013 99
2010 97
2007 21
2009 8
2012 8
2000 4
2004 3
1979 2
2006 1

50 days to go. I think 2013 has a chance to take top spot. But it is not a sure thing. The records 2010 holds coming up in the next few weeks are pretty high!

Antarctic_Sea_Ice_Extent_Zoomed_2013_Day_315_1981-2010

Polar Update – Nov 11 2013 Data Is Missing Edition

Yesterday some of the NSIDC data for Arctic Sea Ice Extent and Antarctic Sea Ice Extent was missing, resulting in some strange graphs.

Today things appear back to normal except the data for Nov 11 is missing completely. The data is usually updated at 7:50am every day. Todays data is missing.

The current data is dated 3:46:00 PM Nov 11, 2013 (yesterday).

Antarctic_Sea_Ice_Extent_Zoomed_2013_Day_314_1981-2010 Arctic_Sea_Ice_Extent_Zoomed_2013_Day_314_1981-2010

We are Melting !!!!!!!!

Update: The NSIDC dataset has a column called “Missing”. It never has any data in it. Until now.

In the Arctic the only data with data in the Missing column:

Year Month Day Extent Missing
2013 11 9 9.27397 0.00049
2013 11 10 7.1533 5.13051

Antarctic

Year Month Day Extent Missing
2013 1 14 5.58306 0.00109
2013 11 9 17.73409 0.01129
2013 11 10 11.16475 16.20944

 

Actual data from NSIDC. I think they missed some ….

Arctic_Sea_Ice_Extent_Zoomed_2013_Day_314_1981-2010 Antarctic_Sea_Ice_Extent_Zoomed_2013_Day_314_1981-2010

92nd Daily Record For Antarctic Sea Ice (NSIDC Data Returns Edition)

The 92nd daily record for Antarctic Sea Ice occurred on November 4th (day 308).

As predicted, 1998’s two records no longer exist. And there are now only 2 daily records  from before 2000.

There are 57 days left in the year, I think 2013 can catch 2010 for number of daily records in a year. Catching 2008 will be harder, but not impossible.

Year No of Records
2008 125
2010 101
2013 92
2007 21
2009 8
2012 8
2000 4
2004 3
1979 2
2005 1
2006 1

Antarctic_Sea_Ice_Extent_Zoomed_2013_Day_308_1981-2010

Antarctic_Sea_Ice_Extent_2013_Day_308_1981-2010

Antarctic Sea Ice Update Oct 28, 2013

Antarctic Sea Ice Extent data has been unavailable for a few days. I emailed NSIDC and today they replied and said:

“Occasional short-term delays and data outages do occur and are usually resolved in a few days. We are currently experiencing such a short-term delay and we will get the issue resolved as quickly as possible.”

Commenter Gary also posted a link to this page that says:

“October 25, 2013: Daily updates to the graph and image are temporarily suspended due to technical difficulties with the data provider.”