Validation of sea ice concentration - American sector
Bulletin date: 2025-06-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
832 |
3161 |
1 |
45 |
24 |
7 |
4 |
0 |
| OW |
107 |
785 |
4 |
64 |
25 |
24 |
5 |
0 |
| VODI |
98 |
1101 |
15 |
173 |
186 |
232 |
37 |
0 |
| ODI |
33 |
706 |
22 |
435 |
731 |
1003 |
224 |
5 |
| CDI |
9 |
490 |
20 |
559 |
2430 |
4720 |
2075 |
234 |
| VCDI |
0 |
75 |
5 |
202 |
4655 |
11382 |
7609 |
1003 |
|
Date: 2025-06-26:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1680 |
4839 |
32 |
219 |
85 |
61 |
13 |
0 |
| OW |
7 |
166 |
1 |
59 |
44 |
63 |
10 |
0 |
| VODI |
9 |
298 |
11 |
175 |
237 |
284 |
47 |
0 |
| ODI |
3 |
390 |
20 |
422 |
591 |
1253 |
169 |
26 |
| CDI |
3 |
408 |
28 |
697 |
1566 |
5334 |
1043 |
428 |
| VCDI |
0 |
139 |
5 |
439 |
2521 |
14871 |
5077 |
1784 |
|
Date: 2025-06-28:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2146 |
5150 |
20 |
284 |
208 |
114 |
16 |
0 |
| OW |
0 |
133 |
4 |
61 |
59 |
58 |
12 |
0 |
| VODI |
0 |
248 |
11 |
176 |
228 |
340 |
20 |
0 |
| ODI |
0 |
418 |
35 |
462 |
531 |
1239 |
103 |
15 |
| CDI |
0 |
574 |
27 |
987 |
1289 |
5008 |
940 |
309 |
| VCDI |
0 |
373 |
7 |
657 |
2349 |
15223 |
4495 |
1228 |
|
Date: 2025-06-30:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2649 |
5101 |
30 |
337 |
251 |
169 |
40 |
0 |
| OW |
1 |
121 |
3 |
58 |
106 |
57 |
9 |
0 |
| VODI |
0 |
252 |
11 |
176 |
320 |
342 |
17 |
0 |
| ODI |
1 |
449 |
33 |
399 |
777 |
1089 |
110 |
13 |
| CDI |
0 |
649 |
53 |
963 |
1668 |
4407 |
851 |
209 |
| VCDI |
0 |
360 |
43 |
777 |
3247 |
14952 |
3675 |
782 |
|
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