Validation of sea ice concentration - Full domain
Reference date: 2025-05-08
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69805 |
13736 |
354 |
263 |
1 |
0 |
0 |
0 |
| OW |
17 |
322 |
151 |
370 |
36 |
0 |
0 |
0 |
| VODI |
0 |
351 |
232 |
1192 |
397 |
38 |
4 |
6 |
| ODI |
0 |
84 |
102 |
1014 |
2256 |
628 |
107 |
18 |
| CDI |
0 |
0 |
0 |
192 |
2597 |
6498 |
1826 |
58 |
| VCDI |
0 |
0 |
0 |
0 |
188 |
4567 |
31196 |
48435 |
|
|
Date: 2025-05-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69661 |
13953 |
313 |
316 |
24 |
0 |
0 |
0 |
| OW |
0 |
400 |
143 |
329 |
53 |
0 |
0 |
0 |
| VODI |
0 |
391 |
280 |
1199 |
462 |
30 |
7 |
0 |
| ODI |
0 |
91 |
106 |
1006 |
3033 |
1068 |
75 |
8 |
| CDI |
0 |
0 |
1 |
133 |
2104 |
8682 |
1948 |
64 |
| VCDI |
0 |
0 |
0 |
0 |
138 |
3935 |
27546 |
49542 |
|
|
Date: 2025-05-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69648 |
14157 |
327 |
383 |
40 |
0 |
0 |
0 |
| OW |
0 |
374 |
123 |
314 |
49 |
0 |
0 |
0 |
| VODI |
0 |
413 |
271 |
1175 |
536 |
24 |
0 |
0 |
| ODI |
0 |
163 |
122 |
1177 |
3846 |
715 |
43 |
0 |
| CDI |
0 |
14 |
15 |
143 |
2399 |
9902 |
2120 |
70 |
| VCDI |
0 |
0 |
0 |
0 |
81 |
2169 |
24470 |
51758 |
|
|
Date: 2025-05-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69567 |
14358 |
355 |
403 |
0 |
0 |
0 |
0 |
| OW |
0 |
341 |
113 |
370 |
61 |
0 |
0 |
0 |
| VODI |
0 |
407 |
243 |
1247 |
775 |
41 |
14 |
0 |
| ODI |
0 |
188 |
119 |
1327 |
3996 |
921 |
96 |
0 |
| CDI |
0 |
24 |
10 |
184 |
3424 |
9088 |
2261 |
36 |
| VCDI |
0 |
0 |
0 |
0 |
158 |
3435 |
27804 |
45675 |
|
|
Date: 2025-05-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70862 |
13446 |
330 |
306 |
3 |
0 |
0 |
0 |
| OW |
0 |
331 |
118 |
384 |
61 |
1 |
0 |
0 |
| VODI |
0 |
476 |
295 |
1389 |
851 |
44 |
38 |
0 |
| ODI |
0 |
369 |
263 |
1728 |
4123 |
1199 |
108 |
0 |
| CDI |
0 |
19 |
27 |
354 |
3168 |
8787 |
2362 |
64 |
| VCDI |
0 |
0 |
0 |
5 |
117 |
2434 |
27695 |
45284 |
|
|
Date: 2025-05-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71566 |
12961 |
342 |
312 |
1 |
0 |
0 |
0 |
| OW |
0 |
347 |
131 |
493 |
32 |
1 |
2 |
0 |
| VODI |
0 |
522 |
273 |
1773 |
814 |
55 |
39 |
0 |
| ODI |
0 |
344 |
221 |
1914 |
4897 |
1344 |
92 |
3 |
| CDI |
0 |
15 |
5 |
359 |
3310 |
8239 |
3191 |
96 |
| VCDI |
0 |
0 |
0 |
1 |
32 |
2335 |
28872 |
42107 |
|
|
Date: 2025-05-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71608 |
13426 |
403 |
337 |
0 |
0 |
0 |
0 |
| OW |
0 |
447 |
151 |
435 |
16 |
0 |
0 |
0 |
| VODI |
0 |
841 |
312 |
1764 |
838 |
67 |
29 |
0 |
| ODI |
0 |
591 |
255 |
1819 |
5098 |
1398 |
97 |
24 |
| CDI |
0 |
6 |
7 |
289 |
2604 |
8881 |
3547 |
91 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
8016 |
46643 |
16956 |
|
|
Date: 2025-05-16:
| Best estimate |
|
|
...observations not yet available
|
|
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