Validation of sea ice concentration
Bulletin date: 2025-04-17
Model vs. observations, sea ice class contingency tables
Date: 2025-04-11:
| 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 |
55104 |
23416 |
3650 |
1303 |
523 |
81 |
2 |
0 |
| OW |
0 |
320 |
1186 |
917 |
1082 |
493 |
52 |
0 |
| VODI |
0 |
26 |
637 |
730 |
867 |
946 |
468 |
36 |
| ODI |
0 |
4 |
128 |
362 |
541 |
716 |
1410 |
123 |
| CDI |
0 |
0 |
61 |
240 |
376 |
979 |
6378 |
411 |
| VCDI |
0 |
0 |
13 |
144 |
307 |
734 |
28138 |
25940 |
|
...date precedes bulletin
|
Date: 2025-04-15:
| 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 |
56770 |
22842 |
4346 |
723 |
165 |
31 |
0 |
0 |
| OW |
0 |
293 |
1340 |
869 |
613 |
240 |
48 |
0 |
| VODI |
0 |
151 |
517 |
784 |
743 |
636 |
368 |
4 |
| ODI |
0 |
53 |
222 |
412 |
639 |
656 |
1422 |
35 |
| CDI |
0 |
0 |
230 |
530 |
673 |
1574 |
6412 |
348 |
| VCDI |
0 |
0 |
58 |
190 |
305 |
855 |
29186 |
23561 |
|
...date precedes bulletin
|
Date: 2025-04-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-21:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-23:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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