Validation of sea ice concentration - Asian sector
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 |
1533 |
4900 |
19 |
85 |
36 |
9 |
1 |
0 |
| OW |
44 |
447 |
9 |
109 |
48 |
20 |
2 |
0 |
| VODI |
19 |
545 |
18 |
259 |
258 |
154 |
15 |
0 |
| ODI |
0 |
547 |
49 |
630 |
1021 |
1154 |
236 |
0 |
| CDI |
0 |
188 |
24 |
519 |
2054 |
5831 |
1531 |
0 |
| VCDI |
0 |
15 |
3 |
96 |
1039 |
6750 |
2029 |
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 |
1871 |
5831 |
36 |
435 |
231 |
31 |
0 |
0 |
| OW |
0 |
143 |
5 |
99 |
107 |
27 |
1 |
0 |
| VODI |
0 |
227 |
12 |
190 |
384 |
146 |
2 |
0 |
| ODI |
0 |
476 |
33 |
489 |
1176 |
958 |
11 |
0 |
| CDI |
0 |
257 |
22 |
422 |
4142 |
4840 |
51 |
0 |
| VCDI |
0 |
60 |
5 |
117 |
4183 |
5163 |
63 |
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 |
2550 |
5534 |
43 |
634 |
423 |
43 |
0 |
0 |
| OW |
0 |
128 |
8 |
90 |
132 |
27 |
0 |
0 |
| VODI |
0 |
210 |
14 |
173 |
356 |
167 |
2 |
0 |
| ODI |
0 |
420 |
28 |
423 |
958 |
1086 |
28 |
0 |
| CDI |
0 |
307 |
30 |
412 |
2125 |
6204 |
102 |
0 |
| VCDI |
0 |
95 |
4 |
192 |
1278 |
7924 |
96 |
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 |
2714 |
5690 |
64 |
719 |
618 |
62 |
0 |
0 |
| OW |
0 |
104 |
2 |
87 |
97 |
41 |
0 |
0 |
| VODI |
0 |
193 |
11 |
159 |
301 |
148 |
0 |
0 |
| ODI |
0 |
432 |
28 |
418 |
863 |
1205 |
8 |
0 |
| CDI |
0 |
370 |
26 |
390 |
1672 |
6285 |
42 |
0 |
| VCDI |
0 |
115 |
14 |
184 |
1020 |
8086 |
78 |
0 |
|
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