Validation of sea ice concentration - Full domain
Reference date: 2025-06-19
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
78136 |
18329 |
686 |
1032 |
137 |
1 |
0 |
0 |
| OW |
0 |
881 |
285 |
672 |
164 |
10 |
1 |
0 |
| VODI |
0 |
1483 |
341 |
1457 |
1483 |
1059 |
89 |
0 |
| ODI |
0 |
1289 |
484 |
2065 |
3952 |
2739 |
650 |
0 |
| CDI |
0 |
182 |
83 |
353 |
2286 |
9673 |
6286 |
0 |
| VCDI |
0 |
3 |
6 |
12 |
914 |
7513 |
25399 |
16894 |
|
|
Date: 2025-06-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78599 |
18823 |
878 |
1121 |
120 |
3 |
0 |
0 |
| OW |
0 |
926 |
226 |
767 |
211 |
8 |
0 |
0 |
| VODI |
0 |
1514 |
401 |
1631 |
1648 |
870 |
40 |
0 |
| ODI |
0 |
1130 |
438 |
1935 |
3801 |
3257 |
579 |
0 |
| CDI |
0 |
165 |
60 |
278 |
2829 |
10807 |
6062 |
0 |
| VCDI |
0 |
1 |
2 |
6 |
1861 |
8514 |
26107 |
11411 |
|
|
Date: 2025-06-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78756 |
20154 |
853 |
1021 |
91 |
2 |
0 |
0 |
| OW |
0 |
1085 |
287 |
834 |
219 |
5 |
0 |
0 |
| VODI |
0 |
1312 |
411 |
1737 |
1597 |
586 |
7 |
0 |
| ODI |
0 |
1054 |
433 |
1693 |
3910 |
3294 |
315 |
0 |
| CDI |
0 |
134 |
55 |
269 |
2554 |
11221 |
7287 |
0 |
| VCDI |
0 |
0 |
1 |
10 |
818 |
4962 |
24679 |
15383 |
|
|
Date: 2025-06-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80459 |
20327 |
715 |
806 |
82 |
1 |
0 |
0 |
| OW |
1 |
1290 |
324 |
782 |
318 |
14 |
0 |
0 |
| VODI |
0 |
1314 |
402 |
1567 |
2063 |
693 |
11 |
0 |
| ODI |
0 |
1059 |
370 |
1386 |
3324 |
2628 |
374 |
0 |
| CDI |
0 |
127 |
96 |
366 |
1963 |
13810 |
7474 |
2 |
| VCDI |
0 |
2 |
6 |
23 |
1099 |
4845 |
27856 |
9050 |
|
|
Date: 2025-06-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80503 |
21509 |
875 |
958 |
124 |
4 |
0 |
0 |
| OW |
0 |
1259 |
290 |
798 |
354 |
8 |
0 |
0 |
| VODI |
0 |
1233 |
361 |
1392 |
2785 |
479 |
26 |
0 |
| ODI |
0 |
1032 |
372 |
1496 |
3196 |
1749 |
259 |
0 |
| CDI |
0 |
116 |
81 |
342 |
3668 |
16681 |
5545 |
11 |
| VCDI |
0 |
0 |
1 |
6 |
704 |
4233 |
25976 |
8603 |
|
|
Date: 2025-06-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81067 |
22517 |
847 |
867 |
139 |
4 |
0 |
0 |
| OW |
0 |
1273 |
335 |
1022 |
352 |
23 |
0 |
0 |
| VODI |
0 |
902 |
315 |
1244 |
2007 |
730 |
28 |
0 |
| ODI |
0 |
733 |
341 |
1473 |
3150 |
2680 |
268 |
0 |
| CDI |
0 |
69 |
66 |
336 |
4039 |
18626 |
4175 |
35 |
| VCDI |
0 |
0 |
0 |
6 |
512 |
6526 |
21293 |
9029 |
|
|
Date: 2025-06-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83045 |
22096 |
821 |
913 |
103 |
5 |
0 |
0 |
| OW |
0 |
1232 |
330 |
1100 |
272 |
25 |
0 |
0 |
| VODI |
0 |
730 |
271 |
1341 |
1794 |
312 |
32 |
0 |
| ODI |
0 |
572 |
270 |
1439 |
3928 |
2300 |
403 |
0 |
| CDI |
0 |
82 |
66 |
280 |
4362 |
20247 |
5478 |
23 |
| VCDI |
0 |
0 |
0 |
2 |
2351 |
7515 |
20848 |
2441 |
|
|
Date: 2025-06-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84736 |
22361 |
723 |
888 |
110 |
1 |
0 |
0 |
| OW |
0 |
1273 |
417 |
1029 |
218 |
18 |
1 |
0 |
| VODI |
0 |
647 |
271 |
2263 |
2039 |
259 |
38 |
0 |
| ODI |
0 |
560 |
279 |
1280 |
2851 |
2167 |
445 |
0 |
| CDI |
0 |
54 |
55 |
271 |
4198 |
23688 |
5536 |
42 |
| VCDI |
0 |
0 |
0 |
7 |
171 |
8114 |
16904 |
3115 |
|
|
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