Validation of sea ice concentration - Asian 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 |
235 |
2921 |
30 |
233 |
32 |
5 |
1 |
0 |
| OW |
0 |
226 |
11 |
115 |
28 |
11 |
3 |
0 |
| VODI |
0 |
383 |
26 |
398 |
282 |
100 |
65 |
0 |
| ODI |
0 |
391 |
81 |
1069 |
1148 |
633 |
520 |
125 |
| CDI |
0 |
41 |
12 |
344 |
1401 |
1847 |
2713 |
1685 |
| VCDI |
0 |
0 |
0 |
31 |
685 |
2200 |
5258 |
6994 |
|
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 |
270 |
3528 |
45 |
462 |
106 |
24 |
1 |
0 |
| OW |
0 |
132 |
14 |
153 |
53 |
20 |
9 |
0 |
| VODI |
0 |
255 |
35 |
334 |
280 |
139 |
72 |
0 |
| ODI |
0 |
510 |
64 |
804 |
974 |
688 |
450 |
64 |
| CDI |
0 |
99 |
12 |
362 |
1446 |
2208 |
2794 |
1196 |
| VCDI |
0 |
3 |
2 |
76 |
696 |
3017 |
5459 |
5427 |
|
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 |
533 |
3695 |
75 |
597 |
213 |
46 |
21 |
0 |
| OW |
0 |
110 |
8 |
91 |
75 |
32 |
7 |
0 |
| VODI |
0 |
239 |
32 |
254 |
230 |
146 |
62 |
2 |
| ODI |
0 |
518 |
63 |
738 |
754 |
654 |
527 |
176 |
| CDI |
0 |
96 |
9 |
395 |
1259 |
2239 |
2603 |
1966 |
| VCDI |
0 |
5 |
1 |
91 |
733 |
3174 |
4095 |
5719 |
|
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 |
668 |
3699 |
108 |
733 |
327 |
94 |
32 |
0 |
| OW |
0 |
136 |
10 |
93 |
58 |
21 |
8 |
0 |
| VODI |
0 |
221 |
20 |
280 |
249 |
127 |
41 |
0 |
| ODI |
0 |
550 |
53 |
618 |
690 |
659 |
449 |
111 |
| CDI |
0 |
131 |
10 |
404 |
1501 |
2694 |
2812 |
1300 |
| VCDI |
0 |
7 |
2 |
122 |
1462 |
3232 |
5820 |
2731 |
|
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