Validation of sea ice concentration - Full domain
Bulletin date: 2025-07-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39317 |
18879 |
44 |
294 |
81 |
15 |
1 |
0 |
| OW |
154 |
1633 |
22 |
273 |
135 |
31 |
3 |
0 |
| VODI |
92 |
2536 |
66 |
820 |
791 |
344 |
72 |
0 |
| ODI |
5 |
2369 |
126 |
1697 |
2704 |
2380 |
465 |
0 |
| CDI |
1 |
1110 |
71 |
1433 |
5960 |
11958 |
2868 |
0 |
| VCDI |
0 |
148 |
16 |
408 |
6500 |
23075 |
5536 |
0 |
|
Date: 2025-07-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
43002 |
20798 |
117 |
1386 |
566 |
80 |
4 |
0 |
| OW |
85 |
449 |
17 |
269 |
253 |
68 |
4 |
0 |
| VODI |
90 |
761 |
33 |
568 |
868 |
358 |
71 |
0 |
| ODI |
38 |
1162 |
74 |
1217 |
2579 |
2210 |
222 |
0 |
| CDI |
5 |
689 |
60 |
1110 |
7719 |
11446 |
1765 |
0 |
| VCDI |
0 |
196 |
15 |
365 |
10115 |
19790 |
3809 |
0 |
|
Date: 2025-07-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
43934 |
21255 |
187 |
1892 |
943 |
115 |
14 |
0 |
| OW |
9 |
297 |
17 |
241 |
277 |
54 |
17 |
0 |
| VODI |
3 |
574 |
31 |
555 |
792 |
376 |
91 |
0 |
| ODI |
1 |
939 |
62 |
1090 |
2036 |
2559 |
327 |
0 |
| CDI |
1 |
702 |
60 |
1077 |
4807 |
14363 |
1830 |
0 |
| VCDI |
0 |
241 |
11 |
438 |
4933 |
23402 |
3880 |
0 |
|
Date: 2025-07-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45305 |
20879 |
171 |
2095 |
1306 |
218 |
16 |
0 |
| OW |
0 |
273 |
8 |
218 |
219 |
76 |
22 |
0 |
| VODI |
0 |
537 |
30 |
478 |
693 |
382 |
81 |
0 |
| ODI |
0 |
933 |
48 |
1019 |
2156 |
2549 |
171 |
0 |
| CDI |
0 |
755 |
52 |
1154 |
5193 |
13903 |
1002 |
0 |
| VCDI |
0 |
292 |
22 |
539 |
6827 |
22070 |
2741 |
0 |
|
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