Validation of sea ice concentration - American sector
Bulletin date: 2025-06-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53 |
2263 |
20 |
140 |
21 |
6 |
0 |
0 |
| OW |
7 |
600 |
17 |
126 |
31 |
13 |
4 |
0 |
| VODI |
4 |
1133 |
36 |
294 |
201 |
183 |
43 |
3 |
| ODI |
1 |
602 |
44 |
570 |
640 |
1000 |
290 |
135 |
| CDI |
0 |
295 |
15 |
525 |
2010 |
3986 |
2309 |
2329 |
| VCDI |
0 |
60 |
8 |
183 |
2553 |
8232 |
7457 |
7152 |
|
Date: 2025-06-19:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
229 |
4148 |
39 |
422 |
94 |
24 |
3 |
0 |
| OW |
4 |
153 |
2 |
75 |
59 |
54 |
8 |
0 |
| VODI |
3 |
262 |
7 |
202 |
163 |
219 |
89 |
2 |
| ODI |
1 |
352 |
31 |
389 |
501 |
1048 |
406 |
104 |
| CDI |
1 |
320 |
22 |
487 |
1660 |
4127 |
2605 |
1845 |
| VCDI |
0 |
146 |
18 |
224 |
2118 |
7806 |
10575 |
4547 |
|
Date: 2025-06-21:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
739 |
4187 |
28 |
460 |
213 |
85 |
3 |
0 |
| OW |
2 |
110 |
5 |
75 |
48 |
56 |
3 |
0 |
| VODI |
4 |
214 |
6 |
131 |
174 |
240 |
46 |
0 |
| ODI |
2 |
352 |
25 |
409 |
691 |
949 |
221 |
28 |
| CDI |
2 |
379 |
27 |
535 |
2496 |
3932 |
2098 |
1473 |
| VCDI |
2 |
176 |
12 |
292 |
3150 |
9750 |
6889 |
4875 |
|
Date: 2025-06-23:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1451 |
4002 |
32 |
483 |
300 |
129 |
4 |
0 |
| OW |
9 |
83 |
3 |
70 |
65 |
67 |
1 |
0 |
| VODI |
11 |
184 |
5 |
160 |
176 |
252 |
23 |
2 |
| ODI |
14 |
225 |
8 |
429 |
702 |
1059 |
131 |
97 |
| CDI |
10 |
346 |
18 |
517 |
1436 |
4920 |
1072 |
2269 |
| VCDI |
1 |
217 |
13 |
308 |
1776 |
11557 |
5697 |
5260 |
|
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