Validation of sea ice concentration - Full domain
Reference date: 2025-08-07
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108583 |
21233 |
1285 |
1442 |
153 |
0 |
0 |
0 |
| OW |
0 |
885 |
692 |
2039 |
365 |
7 |
0 |
0 |
| VODI |
0 |
93 |
217 |
3482 |
5402 |
866 |
2 |
0 |
| ODI |
0 |
0 |
0 |
269 |
8982 |
12656 |
306 |
0 |
| CDI |
0 |
0 |
0 |
0 |
524 |
11771 |
4656 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
201 |
893 |
0 |
|
|
Date: 2025-08-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109523 |
21124 |
1160 |
1284 |
130 |
0 |
0 |
0 |
| OW |
0 |
1106 |
918 |
2115 |
336 |
0 |
0 |
0 |
| VODI |
0 |
79 |
174 |
4208 |
4206 |
265 |
8 |
0 |
| ODI |
0 |
0 |
1 |
214 |
9016 |
10308 |
228 |
0 |
| CDI |
0 |
0 |
0 |
2 |
560 |
12275 |
6050 |
209 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
95 |
1199 |
214 |
|
|
Date: 2025-08-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110978 |
20513 |
1103 |
1255 |
103 |
0 |
0 |
0 |
| OW |
0 |
1205 |
787 |
2061 |
358 |
5 |
0 |
0 |
| VODI |
0 |
86 |
140 |
3404 |
3802 |
322 |
0 |
0 |
| ODI |
0 |
0 |
0 |
361 |
8664 |
7178 |
231 |
0 |
| CDI |
0 |
0 |
0 |
5 |
1825 |
12723 |
5945 |
117 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
812 |
2332 |
599 |
|
|
Date: 2025-08-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112429 |
19778 |
1027 |
1194 |
123 |
0 |
0 |
0 |
| OW |
0 |
1284 |
738 |
1732 |
332 |
11 |
0 |
0 |
| VODI |
0 |
121 |
212 |
3620 |
3370 |
382 |
4 |
0 |
| ODI |
0 |
2 |
9 |
486 |
8577 |
6297 |
379 |
0 |
| CDI |
0 |
0 |
0 |
3 |
2168 |
12148 |
5406 |
264 |
| VCDI |
0 |
0 |
0 |
0 |
97 |
1415 |
2518 |
881 |
|
|
Date: 2025-08-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112733 |
20300 |
1010 |
1035 |
55 |
0 |
0 |
0 |
| OW |
0 |
1584 |
739 |
1482 |
234 |
7 |
0 |
0 |
| VODI |
0 |
238 |
378 |
3984 |
3338 |
133 |
0 |
0 |
| ODI |
0 |
0 |
9 |
565 |
10494 |
8709 |
819 |
5 |
| CDI |
0 |
0 |
0 |
0 |
723 |
9601 |
4778 |
77 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
327 |
2693 |
953 |
|
|
Date: 2025-08-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113764 |
19940 |
988 |
844 |
71 |
0 |
0 |
0 |
| OW |
0 |
1843 |
887 |
1747 |
214 |
11 |
0 |
0 |
| VODI |
0 |
97 |
222 |
4120 |
2587 |
149 |
4 |
0 |
| ODI |
0 |
0 |
0 |
452 |
12082 |
10032 |
460 |
0 |
| CDI |
0 |
0 |
0 |
0 |
457 |
9055 |
2813 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
916 |
3210 |
37 |
|
|
Date: 2025-08-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115602 |
18675 |
909 |
844 |
52 |
0 |
0 |
0 |
| OW |
1 |
2430 |
872 |
1387 |
219 |
8 |
0 |
0 |
| VODI |
0 |
166 |
363 |
4192 |
2000 |
129 |
3 |
0 |
| ODI |
0 |
0 |
1 |
663 |
13604 |
9344 |
169 |
0 |
| CDI |
0 |
0 |
0 |
0 |
895 |
6866 |
3560 |
81 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
731 |
2750 |
485 |
|
|
Date: 2025-08-15:
| Best estimate |
|
|
...observations not yet available
|
|
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