Validation of sea ice concentration - Full domain
Reference date: 2025-07-03
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
84732 |
22347 |
732 |
912 |
112 |
1 |
0 |
0 |
| OW |
0 |
1271 |
408 |
1010 |
221 |
18 |
1 |
0 |
| VODI |
0 |
648 |
271 |
2252 |
2029 |
260 |
39 |
0 |
| ODI |
0 |
561 |
280 |
1285 |
2855 |
2172 |
444 |
0 |
| CDI |
0 |
55 |
54 |
272 |
4201 |
23685 |
5553 |
42 |
| VCDI |
0 |
0 |
0 |
7 |
169 |
8111 |
16887 |
3115 |
|
|
Date: 2025-06-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86825 |
21665 |
773 |
1041 |
146 |
5 |
0 |
0 |
| OW |
0 |
1374 |
449 |
1214 |
258 |
18 |
0 |
0 |
| VODI |
0 |
745 |
315 |
2075 |
1572 |
341 |
30 |
0 |
| ODI |
0 |
469 |
284 |
1174 |
3352 |
2921 |
344 |
0 |
| CDI |
0 |
43 |
43 |
200 |
4808 |
24350 |
5378 |
91 |
| VCDI |
0 |
0 |
0 |
0 |
169 |
6929 |
16632 |
979 |
|
|
Date: 2025-07-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87413 |
22070 |
895 |
1083 |
75 |
1 |
1 |
0 |
| OW |
0 |
1622 |
497 |
1557 |
411 |
23 |
0 |
0 |
| VODI |
0 |
669 |
280 |
1452 |
1726 |
351 |
22 |
0 |
| ODI |
0 |
427 |
246 |
1101 |
4271 |
3199 |
260 |
0 |
| CDI |
0 |
49 |
37 |
242 |
5917 |
24389 |
4550 |
85 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
4404 |
15074 |
2528 |
|
|
Date: 2025-07-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88461 |
22238 |
899 |
879 |
68 |
4 |
0 |
0 |
| OW |
0 |
1925 |
483 |
1476 |
540 |
32 |
2 |
0 |
| VODI |
0 |
647 |
259 |
1194 |
2168 |
615 |
20 |
0 |
| ODI |
0 |
492 |
256 |
1053 |
4505 |
3456 |
205 |
0 |
| CDI |
0 |
27 |
45 |
227 |
7780 |
24851 |
3561 |
26 |
| VCDI |
0 |
0 |
0 |
1 |
47 |
3068 |
15112 |
390 |
|
|
Date: 2025-07-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89411 |
22949 |
964 |
1042 |
111 |
0 |
0 |
0 |
| OW |
11 |
1504 |
376 |
1092 |
531 |
16 |
0 |
0 |
| VODI |
0 |
640 |
242 |
1516 |
2681 |
701 |
23 |
0 |
| ODI |
0 |
464 |
233 |
1160 |
5257 |
3123 |
349 |
0 |
| CDI |
0 |
17 |
24 |
221 |
8702 |
24442 |
3759 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
80 |
4286 |
10767 |
316 |
|
|
Date: 2025-07-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90326 |
23809 |
759 |
975 |
192 |
5 |
0 |
0 |
| OW |
2 |
1256 |
371 |
1003 |
402 |
19 |
0 |
0 |
| VODI |
0 |
605 |
330 |
1804 |
3107 |
531 |
26 |
0 |
| ODI |
0 |
372 |
201 |
1148 |
5547 |
3663 |
304 |
0 |
| CDI |
0 |
18 |
24 |
151 |
6388 |
27634 |
4056 |
219 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
3330 |
8056 |
370 |
|
|
Date: 2025-07-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93423 |
21975 |
725 |
891 |
158 |
3 |
0 |
0 |
| OW |
7 |
1304 |
440 |
1066 |
476 |
27 |
2 |
0 |
| VODI |
0 |
547 |
356 |
2047 |
2935 |
875 |
70 |
0 |
| ODI |
0 |
372 |
191 |
883 |
4739 |
5344 |
182 |
0 |
| CDI |
0 |
22 |
28 |
109 |
7691 |
28878 |
2015 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2307 |
3808 |
3116 |
0 |
|
|
Date: 2025-07-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94452 |
21819 |
757 |
1034 |
139 |
6 |
3 |
0 |
| OW |
0 |
1229 |
393 |
1146 |
388 |
14 |
2 |
0 |
| VODI |
0 |
554 |
332 |
2126 |
4010 |
881 |
39 |
0 |
| ODI |
0 |
336 |
192 |
841 |
6229 |
3694 |
123 |
0 |
| CDI |
0 |
17 |
24 |
98 |
6210 |
34162 |
3087 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
918 |
1752 |
0 |
|
|
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