Validation of sea ice concentration - Asian sector
Bulletin date: 2025-07-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2774 |
5227 |
15 |
92 |
19 |
3 |
0 |
0 |
| OW |
3 |
368 |
16 |
133 |
65 |
5 |
0 |
0 |
| VODI |
2 |
595 |
38 |
398 |
296 |
80 |
4 |
0 |
| ODI |
0 |
516 |
64 |
787 |
1220 |
1184 |
15 |
0 |
| CDI |
0 |
178 |
24 |
526 |
2128 |
6435 |
118 |
0 |
| VCDI |
0 |
10 |
2 |
90 |
1101 |
7403 |
312 |
0 |
|
Date: 2025-07-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2772 |
6429 |
61 |
539 |
197 |
20 |
1 |
0 |
| OW |
0 |
173 |
5 |
157 |
108 |
14 |
1 |
0 |
| VODI |
0 |
283 |
31 |
307 |
316 |
61 |
11 |
0 |
| ODI |
0 |
437 |
46 |
621 |
1152 |
876 |
51 |
0 |
| CDI |
0 |
252 |
28 |
464 |
2321 |
6139 |
162 |
0 |
| VCDI |
0 |
39 |
10 |
171 |
1110 |
6529 |
352 |
0 |
|
Date: 2025-07-19:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2645 |
7267 |
68 |
746 |
352 |
27 |
2 |
0 |
| OW |
0 |
134 |
6 |
117 |
94 |
9 |
1 |
0 |
| VODI |
0 |
273 |
18 |
242 |
329 |
59 |
10 |
0 |
| ODI |
0 |
481 |
43 |
484 |
1120 |
821 |
79 |
0 |
| CDI |
0 |
301 |
29 |
456 |
3235 |
4721 |
369 |
0 |
| VCDI |
0 |
164 |
11 |
147 |
1876 |
5003 |
507 |
0 |
|
Date: 2025-07-21:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2693 |
7681 |
86 |
803 |
447 |
21 |
1 |
0 |
| OW |
0 |
148 |
4 |
108 |
80 |
7 |
0 |
0 |
| VODI |
0 |
286 |
21 |
227 |
253 |
63 |
1 |
0 |
| ODI |
0 |
552 |
39 |
438 |
1067 |
765 |
1 |
0 |
| CDI |
0 |
424 |
30 |
526 |
3019 |
5105 |
2 |
0 |
| VCDI |
0 |
194 |
5 |
156 |
1512 |
5463 |
18 |
0 |
|
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