Validation of sea ice concentration - Full domain
Reference date: 2025-06-26
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80403 |
21006 |
802 |
920 |
93 |
1 |
0 |
0 |
| OW |
0 |
1232 |
308 |
830 |
357 |
7 |
0 |
0 |
| VODI |
0 |
1218 |
361 |
1572 |
2695 |
278 |
24 |
0 |
| ODI |
0 |
1048 |
394 |
1359 |
3240 |
2106 |
401 |
0 |
| CDI |
0 |
124 |
98 |
391 |
2527 |
15448 |
6749 |
4 |
| VCDI |
0 |
2 |
5 |
13 |
635 |
5190 |
27538 |
7639 |
|
|
Date: 2025-06-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81240 |
21651 |
862 |
841 |
89 |
2 |
0 |
0 |
| OW |
0 |
1243 |
340 |
952 |
353 |
10 |
0 |
0 |
| VODI |
0 |
1061 |
327 |
1338 |
2600 |
450 |
39 |
0 |
| ODI |
0 |
838 |
335 |
1431 |
2964 |
2413 |
317 |
0 |
| CDI |
0 |
93 |
89 |
330 |
3571 |
18122 |
4437 |
49 |
| VCDI |
0 |
0 |
0 |
5 |
284 |
4468 |
24769 |
9105 |
|
|
Date: 2025-06-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81770 |
22546 |
806 |
958 |
100 |
5 |
0 |
0 |
| OW |
0 |
1274 |
315 |
1035 |
345 |
19 |
0 |
0 |
| VODI |
0 |
772 |
303 |
1325 |
1888 |
297 |
32 |
0 |
| ODI |
0 |
645 |
284 |
1364 |
4316 |
2008 |
356 |
0 |
| CDI |
0 |
70 |
64 |
274 |
5003 |
18100 |
5157 |
54 |
| VCDI |
0 |
0 |
0 |
7 |
2199 |
6898 |
22186 |
4243 |
|
|
Date: 2025-06-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83458 |
22539 |
800 |
931 |
115 |
0 |
0 |
0 |
| OW |
0 |
1229 |
367 |
1054 |
243 |
16 |
0 |
0 |
| VODI |
0 |
677 |
309 |
1616 |
1861 |
410 |
30 |
0 |
| ODI |
0 |
579 |
276 |
1474 |
3262 |
2270 |
420 |
0 |
| CDI |
0 |
73 |
67 |
331 |
3459 |
23031 |
5464 |
48 |
| VCDI |
0 |
0 |
0 |
9 |
302 |
9025 |
17096 |
4177 |
|
|
Date: 2025-06-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85715 |
22148 |
761 |
1018 |
123 |
3 |
0 |
0 |
| OW |
0 |
1259 |
412 |
1072 |
200 |
18 |
0 |
0 |
| VODI |
0 |
807 |
330 |
2305 |
1720 |
282 |
40 |
0 |
| ODI |
0 |
493 |
287 |
1133 |
3068 |
2502 |
428 |
0 |
| CDI |
0 |
39 |
50 |
183 |
4476 |
24960 |
5064 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
222 |
7017 |
16667 |
2211 |
|
|
Date: 2025-06-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87026 |
21940 |
850 |
1138 |
108 |
5 |
0 |
0 |
| OW |
0 |
1538 |
506 |
1504 |
316 |
22 |
0 |
0 |
| VODI |
0 |
670 |
303 |
1575 |
1676 |
334 |
46 |
0 |
| ODI |
0 |
465 |
255 |
1129 |
3749 |
3004 |
325 |
0 |
| CDI |
0 |
46 |
28 |
262 |
5680 |
24161 |
4776 |
129 |
| VCDI |
0 |
0 |
0 |
0 |
114 |
6313 |
15332 |
1693 |
|
|
Date: 2025-07-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87584 |
22390 |
946 |
973 |
78 |
0 |
1 |
0 |
| OW |
0 |
1801 |
514 |
1472 |
475 |
21 |
0 |
0 |
| VODI |
0 |
666 |
266 |
1344 |
1935 |
438 |
12 |
0 |
| ODI |
0 |
410 |
283 |
1033 |
4254 |
3375 |
202 |
0 |
| CDI |
0 |
33 |
50 |
280 |
7263 |
24970 |
3552 |
36 |
| VCDI |
0 |
0 |
0 |
1 |
39 |
4704 |
14816 |
801 |
|
|
Date: 2025-07-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88849 |
22586 |
943 |
833 |
86 |
3 |
0 |
0 |
| OW |
0 |
1864 |
391 |
1323 |
553 |
26 |
0 |
0 |
| VODI |
0 |
614 |
251 |
1335 |
2492 |
747 |
26 |
0 |
| ODI |
0 |
519 |
242 |
1114 |
4487 |
3690 |
306 |
0 |
| CDI |
0 |
16 |
38 |
237 |
9057 |
23081 |
4291 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
4525 |
12413 |
1 |
|
|
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