Validation of sea ice concentration - Full domain
Bulletin date: 2025-04-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-29:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17055 |
14368 |
122 |
802 |
235 |
16 |
0 |
0 |
| OW |
20 |
283 |
15 |
167 |
60 |
11 |
0 |
0 |
| VODI |
25 |
490 |
17 |
373 |
233 |
77 |
58 |
3 |
| ODI |
0 |
293 |
24 |
591 |
627 |
713 |
575 |
69 |
| CDI |
0 |
110 |
14 |
627 |
1695 |
2262 |
2894 |
813 |
| VCDI |
0 |
24 |
6 |
279 |
1793 |
6590 |
32105 |
48011 |
|
Date: 2025-05-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17686 |
14278 |
132 |
1148 |
330 |
35 |
2 |
0 |
| OW |
1 |
111 |
14 |
180 |
91 |
25 |
2 |
0 |
| VODI |
0 |
180 |
17 |
396 |
298 |
172 |
108 |
1 |
| ODI |
0 |
177 |
12 |
521 |
688 |
878 |
644 |
86 |
| CDI |
0 |
51 |
9 |
514 |
1633 |
2621 |
3166 |
757 |
| VCDI |
0 |
47 |
4 |
376 |
2151 |
7513 |
29731 |
47759 |
|
Date: 2025-05-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17945 |
14347 |
166 |
1155 |
349 |
39 |
3 |
1 |
| OW |
5 |
108 |
9 |
160 |
124 |
40 |
7 |
5 |
| VODI |
8 |
160 |
20 |
287 |
348 |
205 |
123 |
34 |
| ODI |
10 |
144 |
24 |
522 |
758 |
958 |
674 |
143 |
| CDI |
14 |
69 |
22 |
551 |
1800 |
2967 |
2942 |
889 |
| VCDI |
30 |
28 |
9 |
439 |
2377 |
8447 |
27368 |
47712 |
|
Date: 2025-05-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17747 |
14619 |
150 |
1379 |
414 |
87 |
8 |
10 |
| OW |
6 |
108 |
6 |
178 |
199 |
89 |
20 |
22 |
| VODI |
5 |
155 |
16 |
376 |
417 |
302 |
150 |
44 |
| ODI |
1 |
122 |
18 |
449 |
1022 |
1056 |
692 |
181 |
| CDI |
9 |
84 |
24 |
454 |
2018 |
3175 |
2858 |
1001 |
| VCDI |
29 |
40 |
8 |
390 |
2315 |
8538 |
25204 |
48350 |
|
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