Validation of sea ice concentration - Full domain
Reference date: 2025-05-15
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70555 |
13575 |
303 |
336 |
3 |
0 |
0 |
0 |
| OW |
0 |
349 |
108 |
407 |
45 |
0 |
0 |
0 |
| VODI |
0 |
476 |
264 |
1269 |
781 |
33 |
20 |
0 |
| ODI |
0 |
247 |
148 |
1657 |
4179 |
903 |
88 |
0 |
| CDI |
0 |
50 |
28 |
278 |
3430 |
8978 |
2189 |
34 |
| VCDI |
0 |
1 |
0 |
58 |
615 |
3116 |
24420 |
48096 |
|
|
Date: 2025-05-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71285 |
13120 |
350 |
310 |
1 |
0 |
0 |
0 |
| OW |
0 |
312 |
122 |
426 |
33 |
1 |
0 |
0 |
| VODI |
0 |
498 |
296 |
1644 |
743 |
58 |
39 |
0 |
| ODI |
0 |
377 |
294 |
1846 |
4465 |
1236 |
107 |
0 |
| CDI |
0 |
14 |
24 |
407 |
3461 |
8611 |
2512 |
61 |
| VCDI |
0 |
0 |
0 |
3 |
82 |
3362 |
26592 |
44347 |
|
|
Date: 2025-05-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71788 |
12997 |
364 |
314 |
0 |
0 |
0 |
0 |
| OW |
0 |
393 |
141 |
551 |
18 |
0 |
0 |
0 |
| VODI |
0 |
546 |
286 |
1888 |
768 |
62 |
39 |
0 |
| ODI |
0 |
440 |
238 |
1848 |
5304 |
1201 |
82 |
4 |
| CDI |
0 |
5 |
14 |
386 |
3420 |
9635 |
2477 |
97 |
| VCDI |
0 |
0 |
0 |
17 |
169 |
4243 |
31835 |
35469 |
|
|
Date: 2025-05-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71549 |
13542 |
549 |
512 |
1 |
0 |
0 |
0 |
| OW |
0 |
344 |
162 |
464 |
26 |
0 |
0 |
0 |
| VODI |
0 |
580 |
369 |
2124 |
922 |
51 |
17 |
0 |
| ODI |
0 |
445 |
332 |
2063 |
5175 |
1180 |
72 |
17 |
| CDI |
0 |
0 |
6 |
230 |
2675 |
8860 |
4530 |
315 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
3232 |
36927 |
29733 |
|
|
Date: 2025-05-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71463 |
14001 |
448 |
689 |
6 |
0 |
0 |
0 |
| OW |
0 |
348 |
120 |
638 |
77 |
0 |
0 |
0 |
| VODI |
0 |
733 |
289 |
2351 |
922 |
30 |
0 |
0 |
| ODI |
0 |
607 |
336 |
2097 |
5064 |
1087 |
105 |
7 |
| CDI |
0 |
15 |
12 |
303 |
2886 |
9060 |
3654 |
294 |
| VCDI |
0 |
4 |
1 |
2 |
136 |
2528 |
31222 |
35504 |
|
|
Date: 2025-05-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71639 |
14197 |
538 |
871 |
76 |
0 |
0 |
0 |
| OW |
0 |
398 |
122 |
779 |
59 |
0 |
0 |
0 |
| VODI |
0 |
654 |
328 |
2376 |
758 |
43 |
13 |
0 |
| ODI |
0 |
699 |
312 |
1927 |
5300 |
1210 |
113 |
10 |
| CDI |
0 |
6 |
8 |
312 |
2419 |
9529 |
2961 |
162 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
3332 |
32320 |
33529 |
|
|
Date: 2025-05-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71825 |
14210 |
545 |
1097 |
182 |
0 |
0 |
0 |
| OW |
0 |
370 |
182 |
754 |
76 |
1 |
0 |
0 |
| VODI |
0 |
544 |
359 |
2314 |
890 |
49 |
11 |
0 |
| ODI |
0 |
627 |
247 |
1813 |
5373 |
1328 |
218 |
26 |
| CDI |
0 |
24 |
17 |
391 |
2567 |
10338 |
3174 |
163 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
3734 |
28299 |
35240 |
|
|
Date: 2025-05-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71951 |
14249 |
629 |
1206 |
42 |
0 |
0 |
0 |
| OW |
0 |
323 |
179 |
818 |
157 |
1 |
0 |
0 |
| VODI |
0 |
649 |
376 |
2260 |
832 |
73 |
5 |
0 |
| ODI |
0 |
638 |
236 |
1875 |
5747 |
1435 |
128 |
0 |
| CDI |
0 |
28 |
26 |
431 |
2536 |
11117 |
3864 |
262 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
3214 |
26877 |
34822 |
|
|
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