Validation of sea ice concentration - American sector
Bulletin date: 2025-07-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2644 |
4075 |
6 |
90 |
21 |
13 |
1 |
0 |
| OW |
161 |
603 |
8 |
64 |
49 |
26 |
2 |
0 |
| VODI |
7 |
684 |
12 |
195 |
324 |
243 |
6 |
1 |
| ODI |
1 |
693 |
48 |
526 |
874 |
1100 |
104 |
29 |
| CDI |
0 |
692 |
60 |
1102 |
2255 |
4182 |
783 |
390 |
| VCDI |
0 |
330 |
31 |
683 |
3459 |
13727 |
3674 |
1579 |
|
Date: 2025-07-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3060 |
5487 |
45 |
272 |
220 |
64 |
8 |
0 |
| OW |
1 |
189 |
5 |
60 |
95 |
45 |
8 |
0 |
| VODI |
2 |
349 |
11 |
182 |
339 |
232 |
12 |
0 |
| ODI |
0 |
577 |
26 |
375 |
892 |
962 |
148 |
3 |
| CDI |
0 |
832 |
50 |
704 |
2359 |
3996 |
1043 |
13 |
| VCDI |
0 |
456 |
29 |
473 |
3869 |
13061 |
4915 |
88 |
|
Date: 2025-07-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2691 |
6530 |
48 |
464 |
375 |
166 |
14 |
0 |
| OW |
0 |
175 |
6 |
59 |
98 |
40 |
4 |
0 |
| VODI |
0 |
359 |
12 |
149 |
293 |
275 |
9 |
0 |
| ODI |
0 |
551 |
21 |
273 |
880 |
911 |
87 |
0 |
| CDI |
0 |
915 |
58 |
477 |
2601 |
3618 |
672 |
0 |
| VCDI |
0 |
582 |
40 |
282 |
5227 |
13494 |
3097 |
4 |
|
Date: 2025-07-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3907 |
5908 |
26 |
529 |
496 |
150 |
13 |
0 |
| OW |
0 |
175 |
6 |
50 |
80 |
37 |
2 |
0 |
| VODI |
2 |
392 |
9 |
142 |
269 |
241 |
19 |
0 |
| ODI |
3 |
625 |
15 |
265 |
849 |
820 |
69 |
0 |
| CDI |
3 |
812 |
21 |
364 |
2296 |
3837 |
593 |
0 |
| VCDI |
0 |
552 |
25 |
266 |
4918 |
14263 |
2508 |
0 |
|
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