Validation of sea ice concentration - Full domain
Reference date: 2025-11-06
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108204 |
13113 |
447 |
558 |
65 |
3 |
0 |
0 |
| OW |
0 |
579 |
179 |
419 |
244 |
68 |
0 |
0 |
| VODI |
1 |
212 |
192 |
431 |
247 |
613 |
133 |
0 |
| ODI |
0 |
44 |
65 |
443 |
533 |
712 |
302 |
0 |
| CDI |
0 |
0 |
2 |
93 |
848 |
2073 |
723 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
117 |
5940 |
30632 |
18771 |
|
|
Date: 2025-11-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107462 |
13627 |
348 |
510 |
98 |
3 |
0 |
0 |
| OW |
5 |
574 |
163 |
306 |
375 |
27 |
0 |
0 |
| VODI |
4 |
359 |
211 |
433 |
366 |
138 |
28 |
0 |
| ODI |
0 |
81 |
94 |
413 |
758 |
419 |
246 |
0 |
| CDI |
0 |
10 |
11 |
102 |
722 |
1608 |
915 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
81 |
4235 |
29450 |
22821 |
|
|
Date: 2025-11-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108344 |
12111 |
379 |
655 |
220 |
0 |
0 |
0 |
| OW |
17 |
512 |
153 |
229 |
322 |
42 |
0 |
0 |
| VODI |
4 |
471 |
196 |
395 |
493 |
177 |
0 |
0 |
| ODI |
0 |
170 |
138 |
506 |
654 |
401 |
25 |
0 |
| CDI |
0 |
7 |
5 |
126 |
717 |
1472 |
527 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
135 |
6298 |
31411 |
19694 |
|
|
Date: 2025-11-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104971 |
13980 |
544 |
774 |
206 |
0 |
0 |
0 |
| OW |
12 |
439 |
119 |
411 |
588 |
60 |
0 |
0 |
| VODI |
1 |
383 |
176 |
417 |
433 |
193 |
0 |
0 |
| ODI |
0 |
91 |
118 |
540 |
813 |
447 |
46 |
0 |
| CDI |
0 |
0 |
2 |
94 |
561 |
1500 |
465 |
5 |
| VCDI |
0 |
0 |
0 |
13 |
216 |
4791 |
27298 |
26299 |
|
|
Date: 2025-11-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103944 |
13685 |
524 |
884 |
147 |
3 |
0 |
0 |
| OW |
16 |
342 |
118 |
559 |
554 |
90 |
0 |
0 |
| VODI |
5 |
321 |
121 |
428 |
463 |
265 |
14 |
0 |
| ODI |
0 |
247 |
128 |
484 |
729 |
415 |
81 |
0 |
| CDI |
0 |
11 |
17 |
104 |
688 |
1456 |
516 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
123 |
3838 |
28087 |
27591 |
|
|
Date: 2025-11-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101774 |
14564 |
549 |
1014 |
312 |
4 |
0 |
0 |
| OW |
8 |
368 |
99 |
354 |
715 |
85 |
0 |
0 |
| VODI |
1 |
442 |
136 |
392 |
613 |
277 |
5 |
0 |
| ODI |
0 |
160 |
91 |
433 |
886 |
379 |
54 |
0 |
| CDI |
0 |
9 |
1 |
72 |
817 |
1452 |
522 |
4 |
| VCDI |
0 |
0 |
0 |
3 |
79 |
3699 |
26593 |
30040 |
|
|
Date: 2025-11-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101187 |
13897 |
455 |
1006 |
586 |
35 |
0 |
0 |
| OW |
32 |
319 |
79 |
232 |
493 |
123 |
0 |
0 |
| VODI |
25 |
504 |
164 |
353 |
614 |
371 |
2 |
0 |
| ODI |
11 |
123 |
133 |
434 |
687 |
574 |
28 |
0 |
| CDI |
0 |
8 |
15 |
80 |
440 |
1957 |
540 |
10 |
| VCDI |
0 |
0 |
0 |
7 |
67 |
4003 |
26127 |
31285 |
|
|
Date: 2025-11-14:
| Best estimate |
|
|
...observations not yet available
|
|
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