Validation of sea ice concentration - Full domain
Bulletin date: 2025-03-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-25:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17001 |
14142 |
226 |
537 |
51 |
0 |
0 |
0 |
| OW |
3 |
354 |
28 |
149 |
12 |
0 |
0 |
0 |
| VODI |
3 |
464 |
62 |
322 |
93 |
4 |
1 |
0 |
| ODI |
0 |
384 |
70 |
470 |
259 |
79 |
22 |
31 |
| CDI |
0 |
235 |
58 |
573 |
714 |
819 |
556 |
573 |
| VCDI |
0 |
103 |
10 |
531 |
2023 |
7716 |
20772 |
65095 |
|
Date: 2025-03-27:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17636 |
14352 |
144 |
814 |
104 |
3 |
0 |
0 |
| OW |
0 |
252 |
14 |
133 |
51 |
0 |
0 |
0 |
| VODI |
0 |
344 |
25 |
299 |
158 |
10 |
0 |
0 |
| ODI |
0 |
211 |
15 |
316 |
303 |
119 |
51 |
31 |
| CDI |
0 |
214 |
23 |
391 |
737 |
1147 |
856 |
429 |
| VCDI |
0 |
120 |
20 |
598 |
1981 |
7296 |
22321 |
63027 |
|
Date: 2025-03-29:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17778 |
14463 |
154 |
997 |
159 |
4 |
0 |
0 |
| OW |
0 |
232 |
9 |
152 |
91 |
6 |
0 |
0 |
| VODI |
0 |
235 |
9 |
285 |
187 |
27 |
1 |
2 |
| ODI |
0 |
143 |
16 |
301 |
319 |
258 |
124 |
50 |
| CDI |
0 |
128 |
14 |
384 |
765 |
1423 |
1118 |
591 |
| VCDI |
0 |
90 |
12 |
481 |
1624 |
6962 |
23946 |
61005 |
|
Date: 2025-03-31:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17594 |
14563 |
95 |
1254 |
310 |
25 |
0 |
0 |
| OW |
1 |
85 |
11 |
151 |
97 |
9 |
1 |
0 |
| VODI |
6 |
105 |
11 |
219 |
188 |
65 |
13 |
11 |
| ODI |
1 |
67 |
11 |
195 |
285 |
275 |
176 |
57 |
| CDI |
1 |
76 |
2 |
200 |
751 |
1405 |
1315 |
475 |
| VCDI |
0 |
58 |
7 |
285 |
1473 |
7474 |
28749 |
56393 |
|
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