Validation of sea ice concentration - European sector
Reference date: 2025-04-17
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
15782 |
432 |
372 |
0 |
0 |
0 |
0 |
| OW |
0 |
310 |
173 |
505 |
65 |
1 |
0 |
0 |
| VODI |
0 |
203 |
201 |
975 |
326 |
23 |
0 |
0 |
| ODI |
0 |
17 |
26 |
671 |
1590 |
203 |
10 |
0 |
| CDI |
0 |
0 |
0 |
24 |
1511 |
3843 |
667 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
1749 |
8493 |
4639 |
|
|
Date: 2025-04-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65716 |
16194 |
496 |
434 |
10 |
0 |
0 |
0 |
| OW |
0 |
254 |
133 |
526 |
65 |
0 |
0 |
0 |
| VODI |
0 |
161 |
199 |
1174 |
375 |
22 |
0 |
0 |
| ODI |
0 |
2 |
5 |
519 |
2104 |
499 |
38 |
0 |
| CDI |
0 |
0 |
0 |
15 |
897 |
3386 |
1581 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1057 |
7275 |
5948 |
|
|
Date: 2025-04-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66428 |
15968 |
378 |
350 |
37 |
0 |
0 |
0 |
| OW |
0 |
284 |
150 |
468 |
64 |
0 |
0 |
0 |
| VODI |
0 |
159 |
209 |
1153 |
526 |
14 |
0 |
0 |
| ODI |
0 |
0 |
10 |
522 |
1976 |
614 |
43 |
0 |
| CDI |
0 |
0 |
0 |
14 |
598 |
3186 |
1517 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
611 |
7469 |
6343 |
|
|
Date: 2025-04-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67159 |
15523 |
401 |
362 |
28 |
0 |
0 |
0 |
| OW |
0 |
357 |
130 |
446 |
97 |
0 |
0 |
0 |
| VODI |
0 |
265 |
251 |
900 |
552 |
41 |
0 |
0 |
| ODI |
0 |
0 |
9 |
545 |
1628 |
604 |
13 |
0 |
| CDI |
0 |
1 |
1 |
10 |
523 |
3210 |
1526 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
607 |
7403 |
6495 |
|
|
Date: 2025-04-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66288 |
16136 |
515 |
525 |
32 |
0 |
0 |
0 |
| OW |
0 |
329 |
121 |
575 |
71 |
0 |
0 |
0 |
| VODI |
0 |
387 |
157 |
840 |
608 |
36 |
0 |
0 |
| ODI |
0 |
22 |
74 |
527 |
1507 |
603 |
22 |
0 |
| CDI |
0 |
0 |
0 |
10 |
759 |
2527 |
1283 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
860 |
7518 |
6743 |
|
|
Date: 2025-04-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66524 |
16180 |
520 |
591 |
38 |
0 |
0 |
0 |
| OW |
0 |
243 |
131 |
634 |
73 |
0 |
0 |
0 |
| VODI |
0 |
269 |
130 |
764 |
672 |
15 |
0 |
0 |
| ODI |
0 |
21 |
63 |
506 |
1446 |
519 |
43 |
0 |
| CDI |
0 |
0 |
0 |
8 |
636 |
2429 |
1321 |
33 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
664 |
7707 |
6909 |
|
|
Date: 2025-04-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67098 |
15602 |
572 |
807 |
14 |
0 |
0 |
0 |
| OW |
0 |
214 |
127 |
524 |
78 |
0 |
0 |
0 |
| VODI |
0 |
212 |
143 |
743 |
603 |
40 |
11 |
0 |
| ODI |
0 |
17 |
34 |
433 |
1443 |
688 |
169 |
0 |
| CDI |
0 |
0 |
0 |
5 |
374 |
2154 |
1757 |
36 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
419 |
7815 |
6961 |
|
|
Date: 2025-04-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67521 |
15404 |
529 |
505 |
0 |
0 |
0 |
0 |
| OW |
0 |
261 |
128 |
503 |
52 |
0 |
0 |
0 |
| VODI |
0 |
262 |
168 |
952 |
443 |
48 |
13 |
0 |
| ODI |
0 |
16 |
45 |
485 |
1473 |
478 |
141 |
0 |
| CDI |
0 |
0 |
0 |
11 |
647 |
2941 |
1179 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
861 |
7317 |
6696 |
|
|
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