Validation of sea ice concentration - Full domain
Reference date: 2025-04-03
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68082 |
15474 |
443 |
413 |
1 |
0 |
0 |
0 |
| OW |
0 |
308 |
177 |
496 |
61 |
0 |
0 |
0 |
| VODI |
0 |
216 |
206 |
897 |
349 |
49 |
2 |
0 |
| ODI |
0 |
117 |
61 |
887 |
1530 |
446 |
37 |
0 |
| CDI |
0 |
10 |
14 |
163 |
1184 |
3708 |
470 |
1 |
| VCDI |
0 |
0 |
0 |
25 |
179 |
4508 |
23316 |
63211 |
|
|
Date: 2025-03-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67810 |
15465 |
479 |
543 |
3 |
0 |
0 |
0 |
| OW |
0 |
276 |
147 |
494 |
66 |
0 |
0 |
0 |
| VODI |
0 |
221 |
194 |
860 |
507 |
4 |
0 |
0 |
| ODI |
0 |
73 |
58 |
704 |
1795 |
296 |
3 |
0 |
| CDI |
0 |
0 |
1 |
78 |
963 |
4329 |
763 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
124 |
4648 |
25918 |
60212 |
|
|
Date: 2025-04-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67249 |
15911 |
495 |
433 |
3 |
0 |
0 |
0 |
| OW |
9 |
269 |
172 |
484 |
38 |
0 |
0 |
0 |
| VODI |
3 |
230 |
221 |
986 |
354 |
10 |
0 |
0 |
| ODI |
0 |
38 |
47 |
650 |
1542 |
479 |
60 |
0 |
| CDI |
0 |
1 |
2 |
52 |
834 |
3287 |
1741 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
95 |
4018 |
26816 |
60510 |
|
|
Date: 2025-04-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67090 |
15662 |
491 |
564 |
3 |
0 |
0 |
0 |
| OW |
10 |
421 |
158 |
502 |
64 |
0 |
0 |
0 |
| VODI |
2 |
252 |
231 |
849 |
334 |
44 |
0 |
0 |
| ODI |
0 |
15 |
24 |
662 |
1357 |
261 |
9 |
0 |
| CDI |
0 |
0 |
0 |
69 |
1336 |
3378 |
747 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
4188 |
22244 |
66028 |
|
|
Date: 2025-04-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66430 |
15748 |
512 |
654 |
8 |
0 |
0 |
0 |
| OW |
0 |
341 |
143 |
528 |
77 |
0 |
0 |
0 |
| VODI |
0 |
252 |
214 |
894 |
387 |
11 |
0 |
0 |
| ODI |
0 |
42 |
28 |
557 |
1556 |
366 |
21 |
0 |
| CDI |
0 |
1 |
4 |
100 |
1064 |
4610 |
1130 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
32 |
2558 |
20500 |
68271 |
|
|
Date: 2025-04-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66375 |
15738 |
470 |
505 |
19 |
0 |
0 |
0 |
| OW |
0 |
407 |
167 |
511 |
92 |
0 |
0 |
0 |
| VODI |
0 |
218 |
198 |
1070 |
462 |
33 |
0 |
0 |
| ODI |
0 |
27 |
25 |
490 |
1911 |
514 |
37 |
0 |
| CDI |
0 |
0 |
0 |
24 |
903 |
4363 |
1319 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
111 |
2647 |
22143 |
66235 |
|
|
Date: 2025-04-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66592 |
15713 |
508 |
362 |
6 |
0 |
0 |
0 |
| OW |
0 |
429 |
211 |
602 |
38 |
0 |
0 |
0 |
| VODI |
0 |
254 |
165 |
1111 |
383 |
2 |
1 |
0 |
| ODI |
0 |
33 |
26 |
589 |
1708 |
354 |
19 |
0 |
| CDI |
0 |
0 |
0 |
75 |
1709 |
3733 |
836 |
13 |
| VCDI |
0 |
0 |
0 |
1 |
359 |
3837 |
21818 |
65554 |
|
|
Date: 2025-04-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66257 |
16036 |
453 |
371 |
0 |
0 |
0 |
0 |
| OW |
0 |
398 |
193 |
519 |
64 |
0 |
0 |
0 |
| VODI |
0 |
304 |
224 |
1072 |
329 |
26 |
0 |
0 |
| ODI |
0 |
50 |
58 |
877 |
1703 |
207 |
11 |
0 |
| CDI |
0 |
0 |
0 |
177 |
2134 |
4558 |
781 |
1 |
| VCDI |
0 |
0 |
0 |
66 |
209 |
4115 |
25492 |
60356 |
|
|
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