Validation of sea ice concentration - Asian sector
Bulletin date: 2025-06-10
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
171 |
2065 |
16 |
58 |
26 |
6 |
2 |
0 |
| OW |
5 |
280 |
13 |
66 |
39 |
10 |
7 |
0 |
| VODI |
7 |
617 |
40 |
343 |
260 |
166 |
95 |
2 |
| ODI |
0 |
427 |
67 |
957 |
1084 |
874 |
574 |
122 |
| CDI |
0 |
66 |
10 |
420 |
1418 |
2185 |
2479 |
1337 |
| VCDI |
0 |
0 |
0 |
38 |
545 |
1951 |
5225 |
8210 |
|
Date: 2025-06-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
263 |
2857 |
56 |
303 |
132 |
24 |
22 |
0 |
| OW |
0 |
122 |
9 |
82 |
57 |
38 |
23 |
0 |
| VODI |
0 |
206 |
23 |
252 |
249 |
197 |
141 |
3 |
| ODI |
0 |
313 |
49 |
772 |
894 |
884 |
669 |
106 |
| CDI |
0 |
67 |
17 |
486 |
1205 |
2033 |
2358 |
1352 |
| VCDI |
0 |
1 |
1 |
64 |
712 |
2193 |
4674 |
8374 |
|
Date: 2025-06-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
231 |
3022 |
45 |
363 |
181 |
83 |
60 |
0 |
| OW |
0 |
120 |
6 |
84 |
64 |
37 |
38 |
0 |
| VODI |
0 |
176 |
22 |
225 |
224 |
203 |
127 |
0 |
| ODI |
0 |
320 |
55 |
713 |
879 |
799 |
682 |
55 |
| CDI |
0 |
78 |
25 |
566 |
1224 |
2054 |
2871 |
960 |
| VCDI |
0 |
5 |
0 |
109 |
867 |
2205 |
5695 |
6810 |
|
Date: 2025-06-16:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
234 |
3112 |
43 |
401 |
254 |
140 |
93 |
0 |
| OW |
0 |
128 |
5 |
66 |
78 |
49 |
24 |
0 |
| VODI |
0 |
201 |
16 |
256 |
224 |
246 |
150 |
2 |
| ODI |
0 |
285 |
57 |
609 |
784 |
662 |
723 |
124 |
| CDI |
0 |
146 |
32 |
605 |
1115 |
1651 |
2874 |
1467 |
| VCDI |
0 |
15 |
1 |
162 |
778 |
2048 |
5055 |
7368 |
|
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