Validation of sea ice concentration - European sector
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 |
79781 |
12923 |
410 |
476 |
32 |
0 |
0 |
0 |
| OW |
0 |
341 |
94 |
387 |
68 |
0 |
0 |
0 |
| VODI |
0 |
374 |
132 |
700 |
548 |
82 |
7 |
0 |
| ODI |
0 |
297 |
144 |
474 |
891 |
637 |
139 |
0 |
| CDI |
0 |
4 |
9 |
50 |
230 |
972 |
1736 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
38 |
127 |
4076 |
2901 |
|
|
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 |
80299 |
12868 |
460 |
394 |
39 |
0 |
0 |
0 |
| OW |
0 |
286 |
129 |
419 |
62 |
0 |
0 |
0 |
| VODI |
0 |
379 |
141 |
610 |
535 |
69 |
13 |
0 |
| ODI |
0 |
160 |
122 |
446 |
927 |
618 |
84 |
0 |
| CDI |
0 |
5 |
11 |
34 |
234 |
1657 |
1052 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
29 |
215 |
5291 |
1494 |
|
|
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 |
80507 |
13147 |
401 |
465 |
37 |
2 |
0 |
0 |
| OW |
0 |
311 |
105 |
405 |
87 |
2 |
0 |
0 |
| VODI |
0 |
290 |
126 |
521 |
489 |
69 |
7 |
0 |
| ODI |
0 |
104 |
82 |
457 |
986 |
532 |
98 |
0 |
| CDI |
0 |
15 |
12 |
35 |
219 |
1216 |
1350 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
21 |
336 |
5200 |
1448 |
|
|
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 |
81081 |
13129 |
380 |
438 |
51 |
0 |
0 |
0 |
| OW |
0 |
304 |
84 |
275 |
48 |
3 |
0 |
0 |
| VODI |
0 |
249 |
120 |
534 |
470 |
70 |
12 |
0 |
| ODI |
0 |
116 |
108 |
439 |
924 |
508 |
172 |
0 |
| CDI |
0 |
14 |
14 |
36 |
292 |
1808 |
990 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1661 |
3795 |
935 |
|
|
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 |
82706 |
12125 |
341 |
400 |
53 |
0 |
0 |
0 |
| OW |
0 |
347 |
87 |
235 |
45 |
1 |
0 |
0 |
| VODI |
0 |
243 |
82 |
484 |
530 |
66 |
0 |
0 |
| ODI |
0 |
113 |
101 |
358 |
1037 |
595 |
146 |
0 |
| CDI |
0 |
11 |
16 |
50 |
432 |
1735 |
871 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
950 |
4456 |
465 |
|
|
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 |
83418 |
11955 |
282 |
342 |
40 |
0 |
0 |
0 |
| OW |
0 |
384 |
81 |
217 |
71 |
2 |
0 |
0 |
| VODI |
0 |
243 |
86 |
429 |
475 |
56 |
0 |
0 |
| ODI |
0 |
148 |
73 |
286 |
1079 |
840 |
95 |
0 |
| CDI |
0 |
12 |
14 |
97 |
240 |
1538 |
1050 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
327 |
5121 |
77 |
|
|
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 |
83694 |
12040 |
303 |
280 |
28 |
0 |
0 |
0 |
| OW |
0 |
436 |
72 |
211 |
78 |
1 |
0 |
0 |
| VODI |
0 |
187 |
69 |
414 |
569 |
119 |
1 |
0 |
| ODI |
0 |
133 |
77 |
263 |
1195 |
830 |
85 |
0 |
| CDI |
0 |
17 |
42 |
122 |
672 |
1607 |
530 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
11 |
884 |
3939 |
174 |
|
|
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 |
84716 |
11139 |
301 |
326 |
25 |
3 |
0 |
0 |
| OW |
0 |
408 |
68 |
252 |
88 |
3 |
0 |
0 |
| VODI |
0 |
169 |
63 |
546 |
890 |
134 |
1 |
0 |
| ODI |
0 |
203 |
88 |
286 |
1019 |
974 |
154 |
0 |
| CDI |
0 |
2 |
18 |
88 |
1284 |
1292 |
771 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1679 |
2088 |
0 |
|
|
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