Validation of sea ice concentration - Full domain
Reference date: 2025-06-05
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75393 |
13824 |
650 |
975 |
53 |
0 |
0 |
0 |
| OW |
0 |
384 |
178 |
554 |
163 |
0 |
0 |
0 |
| VODI |
0 |
765 |
348 |
1974 |
1074 |
84 |
7 |
0 |
| ODI |
0 |
869 |
347 |
2047 |
5973 |
1775 |
105 |
0 |
| CDI |
0 |
23 |
17 |
476 |
3145 |
11654 |
5230 |
17 |
| VCDI |
0 |
0 |
0 |
24 |
171 |
5725 |
26670 |
26343 |
|
|
Date: 2025-06-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75642 |
14205 |
748 |
993 |
16 |
0 |
0 |
0 |
| OW |
0 |
408 |
177 |
592 |
128 |
0 |
0 |
0 |
| VODI |
0 |
861 |
338 |
1969 |
1288 |
114 |
1 |
0 |
| ODI |
0 |
963 |
345 |
2355 |
6023 |
1641 |
192 |
0 |
| CDI |
0 |
13 |
19 |
282 |
2975 |
11570 |
5775 |
35 |
| VCDI |
0 |
0 |
0 |
1 |
92 |
3937 |
25261 |
28078 |
|
|
Date: 2025-06-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76088 |
14654 |
881 |
1141 |
3 |
0 |
0 |
0 |
| OW |
0 |
300 |
163 |
834 |
104 |
4 |
0 |
0 |
| VODI |
0 |
810 |
265 |
2184 |
1177 |
101 |
9 |
0 |
| ODI |
0 |
867 |
338 |
2368 |
6343 |
1496 |
211 |
0 |
| CDI |
0 |
22 |
25 |
334 |
3055 |
13969 |
3479 |
23 |
| VCDI |
0 |
0 |
0 |
3 |
91 |
4376 |
26933 |
24386 |
|
|
Date: 2025-06-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77204 |
14833 |
740 |
1124 |
0 |
0 |
0 |
0 |
| OW |
0 |
357 |
185 |
776 |
110 |
0 |
0 |
0 |
| VODI |
0 |
887 |
353 |
2015 |
1287 |
95 |
16 |
0 |
| ODI |
0 |
759 |
328 |
2252 |
6003 |
1906 |
192 |
0 |
| CDI |
0 |
30 |
39 |
363 |
3168 |
13023 |
4359 |
130 |
| VCDI |
0 |
0 |
0 |
7 |
126 |
3055 |
25095 |
26220 |
|
|
Date: 2025-06-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77857 |
15283 |
632 |
1146 |
13 |
0 |
0 |
0 |
| OW |
0 |
362 |
156 |
784 |
126 |
0 |
0 |
0 |
| VODI |
0 |
1005 |
427 |
2112 |
1375 |
99 |
6 |
0 |
| ODI |
0 |
673 |
294 |
2426 |
6078 |
1821 |
286 |
0 |
| CDI |
0 |
47 |
33 |
315 |
2472 |
11204 |
5678 |
81 |
| VCDI |
0 |
0 |
0 |
5 |
55 |
2130 |
23173 |
28883 |
|
|
Date: 2025-06-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78730 |
15051 |
804 |
1208 |
12 |
0 |
0 |
0 |
| OW |
0 |
360 |
163 |
883 |
68 |
1 |
0 |
0 |
| VODI |
0 |
962 |
369 |
2304 |
1693 |
334 |
7 |
0 |
| ODI |
0 |
642 |
303 |
2256 |
6293 |
2003 |
229 |
0 |
| CDI |
0 |
35 |
38 |
301 |
2529 |
11009 |
4770 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1930 |
23998 |
27707 |
|
|
Date: 2025-06-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79625 |
15094 |
823 |
1231 |
18 |
0 |
0 |
0 |
| OW |
0 |
505 |
183 |
1034 |
94 |
2 |
0 |
0 |
| VODI |
0 |
982 |
326 |
2111 |
1630 |
825 |
10 |
0 |
| ODI |
0 |
652 |
318 |
2383 |
5585 |
2502 |
111 |
0 |
| CDI |
0 |
42 |
40 |
287 |
2378 |
10289 |
5129 |
9 |
| VCDI |
0 |
0 |
0 |
3 |
88 |
3450 |
21676 |
27602 |
|
|
Date: 2025-06-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78013 |
18384 |
786 |
1119 |
14 |
0 |
0 |
0 |
| OW |
0 |
727 |
218 |
970 |
100 |
1 |
0 |
0 |
| VODI |
0 |
1011 |
357 |
2156 |
1559 |
838 |
2 |
0 |
| ODI |
0 |
667 |
371 |
2467 |
5222 |
2279 |
168 |
0 |
| CDI |
0 |
82 |
45 |
220 |
2464 |
10568 |
5439 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
620 |
6963 |
19105 |
24101 |
|
|
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