Validation of sea ice concentration - Full domain
Reference date: 2025-08-14
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112754 |
19917 |
957 |
1156 |
95 |
0 |
0 |
0 |
| OW |
0 |
1469 |
714 |
1464 |
306 |
8 |
0 |
0 |
| VODI |
0 |
226 |
361 |
3701 |
3388 |
382 |
5 |
0 |
| ODI |
0 |
1 |
9 |
519 |
9174 |
7697 |
590 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1385 |
11244 |
5451 |
89 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
213 |
2215 |
1511 |
|
|
Date: 2025-08-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113152 |
20165 |
984 |
986 |
62 |
0 |
0 |
0 |
| OW |
0 |
1779 |
834 |
1719 |
222 |
9 |
0 |
0 |
| VODI |
0 |
89 |
253 |
4392 |
2654 |
167 |
2 |
0 |
| ODI |
0 |
0 |
2 |
532 |
10839 |
9270 |
1362 |
2 |
| CDI |
0 |
0 |
0 |
0 |
588 |
9052 |
3833 |
26 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
538 |
3433 |
63 |
|
|
Date: 2025-08-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114541 |
19509 |
1016 |
810 |
50 |
0 |
0 |
0 |
| OW |
0 |
2211 |
1009 |
1492 |
218 |
6 |
0 |
0 |
| VODI |
0 |
132 |
245 |
4001 |
2011 |
113 |
7 |
0 |
| ODI |
0 |
0 |
1 |
548 |
12288 |
9653 |
494 |
0 |
| CDI |
0 |
0 |
0 |
0 |
485 |
8329 |
3383 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1043 |
3414 |
0 |
|
|
Date: 2025-08-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116003 |
18474 |
923 |
794 |
49 |
0 |
0 |
0 |
| OW |
0 |
2773 |
926 |
1429 |
172 |
3 |
0 |
0 |
| VODI |
0 |
153 |
383 |
4114 |
1828 |
121 |
7 |
0 |
| ODI |
0 |
0 |
2 |
578 |
12841 |
10201 |
198 |
0 |
| CDI |
0 |
0 |
0 |
1 |
932 |
7520 |
2550 |
56 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
694 |
2787 |
494 |
|
|
Date: 2025-08-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116243 |
18896 |
805 |
656 |
27 |
0 |
0 |
0 |
| OW |
0 |
3116 |
943 |
1671 |
184 |
1 |
0 |
0 |
| VODI |
0 |
125 |
253 |
4189 |
2309 |
67 |
3 |
0 |
| ODI |
0 |
0 |
0 |
532 |
14386 |
9368 |
394 |
4 |
| CDI |
0 |
0 |
0 |
0 |
433 |
5592 |
3060 |
271 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
261 |
2943 |
275 |
|
|
Date: 2025-08-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117768 |
17735 |
740 |
738 |
52 |
0 |
0 |
0 |
| OW |
8 |
3553 |
1122 |
1903 |
207 |
3 |
0 |
0 |
| VODI |
0 |
99 |
198 |
3479 |
2591 |
112 |
1 |
0 |
| ODI |
0 |
0 |
3 |
488 |
14754 |
7621 |
198 |
0 |
| CDI |
0 |
0 |
0 |
4 |
535 |
6411 |
3057 |
126 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
520 |
2662 |
314 |
|
|
Date: 2025-08-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120077 |
16048 |
641 |
702 |
50 |
6 |
0 |
0 |
| OW |
19 |
4447 |
1085 |
1655 |
175 |
9 |
0 |
0 |
| VODI |
0 |
95 |
256 |
3173 |
1915 |
95 |
6 |
0 |
| ODI |
0 |
1 |
6 |
681 |
12866 |
6020 |
310 |
0 |
| CDI |
0 |
0 |
1 |
2 |
1315 |
8357 |
3143 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
1420 |
2380 |
2 |
|
|
Date: 2025-08-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120568 |
15769 |
658 |
692 |
60 |
5 |
0 |
0 |
| OW |
3 |
4966 |
1106 |
1567 |
157 |
17 |
0 |
0 |
| VODI |
0 |
92 |
257 |
3266 |
1913 |
100 |
0 |
0 |
| ODI |
0 |
1 |
3 |
694 |
12142 |
7384 |
281 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1068 |
8273 |
3283 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1023 |
1648 |
0 |
|
|
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