Validation of sea ice concentration
Bulletin date: 2025-06-12
Model vs. observations, sea ice class contingency tables
Date: 2025-06-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70643 |
19644 |
4995 |
1122 |
151 |
34 |
116 |
0 |
| OW |
0 |
353 |
3294 |
3796 |
762 |
178 |
313 |
4 |
| VODI |
0 |
7 |
685 |
2489 |
3018 |
1703 |
1017 |
40 |
| ODI |
0 |
0 |
41 |
637 |
1376 |
3294 |
3509 |
109 |
| CDI |
0 |
0 |
0 |
155 |
284 |
955 |
14097 |
6503 |
| VCDI |
0 |
0 |
0 |
103 |
35 |
13 |
4425 |
8944 |
|
...date precedes bulletin
|
Date: 2025-06-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75641 |
17828 |
5194 |
698 |
268 |
98 |
179 |
3 |
| OW |
0 |
537 |
4180 |
1681 |
1136 |
454 |
352 |
20 |
| VODI |
0 |
12 |
1339 |
1523 |
2141 |
2040 |
1105 |
56 |
| ODI |
0 |
0 |
199 |
543 |
941 |
3117 |
3520 |
97 |
| CDI |
0 |
0 |
22 |
191 |
313 |
1211 |
12444 |
3744 |
| VCDI |
0 |
0 |
0 |
80 |
72 |
92 |
4921 |
10852 |
|
...date precedes bulletin
|
Date: 2025-06-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74215 |
20979 |
5332 |
1278 |
465 |
196 |
305 |
3 |
| OW |
0 |
764 |
2632 |
2043 |
907 |
595 |
528 |
19 |
| VODI |
0 |
5 |
681 |
1384 |
1892 |
2698 |
1399 |
60 |
| ODI |
0 |
0 |
43 |
287 |
888 |
2497 |
4107 |
112 |
| CDI |
0 |
0 |
6 |
136 |
125 |
960 |
10998 |
241 |
| VCDI |
0 |
0 |
0 |
13 |
74 |
82 |
5489 |
14406 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74215 |
20979 |
5332 |
1278 |
465 |
196 |
305 |
3 |
| OW |
0 |
764 |
2632 |
2043 |
907 |
595 |
528 |
19 |
| VODI |
0 |
5 |
681 |
1384 |
1892 |
2698 |
1399 |
60 |
| ODI |
0 |
0 |
43 |
287 |
888 |
2497 |
4107 |
112 |
| CDI |
0 |
0 |
6 |
136 |
125 |
960 |
10998 |
241 |
| VCDI |
0 |
0 |
0 |
13 |
74 |
82 |
5489 |
14406 |
|
Date: 2025-06-16:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-20:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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