Validation of sea ice concentration - Full domain
Bulletin date: 2025-02-13
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-02-07:
| 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 |
69830 |
16144 |
287 |
647 |
179 |
0 |
0 |
7 |
| OW |
33 |
1755 |
297 |
680 |
239 |
4 |
0 |
14 |
| VODI |
15 |
782 |
219 |
942 |
782 |
97 |
0 |
15 |
| ODI |
0 |
242 |
60 |
464 |
1089 |
576 |
48 |
7 |
| CDI |
0 |
151 |
98 |
468 |
1108 |
1691 |
436 |
92 |
| VCDI |
0 |
169 |
74 |
378 |
1064 |
7975 |
24457 |
61128 |
|
...date precedes bulletin
|
Date: 2025-02-09:
| 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 |
71272 |
14567 |
246 |
417 |
69 |
10 |
0 |
0 |
| OW |
31 |
1752 |
351 |
544 |
159 |
22 |
0 |
0 |
| VODI |
8 |
838 |
364 |
1087 |
622 |
47 |
0 |
0 |
| ODI |
0 |
174 |
113 |
760 |
1010 |
311 |
12 |
0 |
| CDI |
0 |
83 |
64 |
518 |
1545 |
1713 |
312 |
34 |
| VCDI |
0 |
43 |
32 |
311 |
1167 |
7847 |
23765 |
62523 |
|
...date precedes bulletin
|
Date: 2025-02-11:
| 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 |
70064 |
16106 |
280 |
461 |
15 |
0 |
0 |
0 |
| OW |
5 |
1686 |
521 |
992 |
92 |
5 |
0 |
0 |
| VODI |
1 |
277 |
216 |
1492 |
512 |
43 |
0 |
0 |
| ODI |
0 |
43 |
25 |
608 |
1143 |
258 |
0 |
0 |
| CDI |
0 |
16 |
10 |
303 |
1624 |
2065 |
320 |
41 |
| VCDI |
0 |
2 |
4 |
93 |
1225 |
6879 |
20631 |
66685 |
|
...date precedes bulletin
|
Date: 2025-02-13:
| 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 |
69342 |
16848 |
391 |
471 |
19 |
0 |
0 |
0 |
| OW |
63 |
1445 |
378 |
853 |
110 |
0 |
0 |
0 |
| VODI |
25 |
373 |
257 |
1081 |
503 |
24 |
0 |
0 |
| ODI |
1 |
77 |
54 |
567 |
1026 |
305 |
4 |
3 |
| CDI |
0 |
42 |
25 |
279 |
1560 |
2147 |
445 |
97 |
| VCDI |
0 |
27 |
18 |
176 |
1075 |
7616 |
24607 |
62409 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69346 |
16853 |
409 |
520 |
27 |
0 |
0 |
0 |
| OW |
61 |
1429 |
365 |
831 |
123 |
0 |
0 |
0 |
| VODI |
23 |
394 |
253 |
1082 |
519 |
29 |
0 |
0 |
| ODI |
1 |
82 |
58 |
555 |
1005 |
296 |
3 |
3 |
| CDI |
0 |
27 |
21 |
262 |
1511 |
2188 |
462 |
98 |
| VCDI |
0 |
27 |
17 |
177 |
1108 |
7579 |
24591 |
62408 |
|
Date: 2025-02-15:
| 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 |
67935 |
17528 |
449 |
593 |
46 |
0 |
0 |
0 |
| OW |
6 |
1046 |
317 |
882 |
241 |
1 |
0 |
0 |
| VODI |
0 |
312 |
181 |
979 |
769 |
44 |
0 |
0 |
| ODI |
0 |
89 |
43 |
523 |
950 |
243 |
10 |
3 |
| CDI |
0 |
26 |
27 |
319 |
1273 |
1820 |
491 |
67 |
| VCDI |
0 |
6 |
3 |
133 |
836 |
8732 |
28037 |
59783 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67933 |
17581 |
476 |
614 |
60 |
0 |
0 |
0 |
| OW |
8 |
1008 |
310 |
910 |
243 |
1 |
0 |
0 |
| VODI |
0 |
295 |
160 |
960 |
738 |
64 |
0 |
0 |
| ODI |
0 |
95 |
42 |
500 |
997 |
242 |
5 |
1 |
| CDI |
0 |
24 |
30 |
320 |
1247 |
1983 |
550 |
63 |
| VCDI |
0 |
4 |
2 |
125 |
830 |
8550 |
27983 |
59789 |
|
Date: 2025-02-17:
| 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 |
67737 |
17697 |
442 |
490 |
65 |
0 |
0 |
0 |
| OW |
24 |
1256 |
511 |
818 |
105 |
0 |
0 |
0 |
| VODI |
0 |
93 |
114 |
1471 |
596 |
16 |
9 |
0 |
| ODI |
0 |
29 |
34 |
317 |
1546 |
237 |
34 |
0 |
| CDI |
0 |
2 |
14 |
222 |
1092 |
1781 |
331 |
51 |
| VCDI |
0 |
0 |
1 |
35 |
480 |
6713 |
27086 |
63294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67761 |
17389 |
495 |
592 |
85 |
0 |
0 |
0 |
| OW |
0 |
1056 |
302 |
899 |
158 |
1 |
0 |
0 |
| VODI |
0 |
383 |
148 |
849 |
631 |
46 |
10 |
0 |
| ODI |
0 |
163 |
87 |
469 |
831 |
249 |
52 |
0 |
| CDI |
0 |
74 |
63 |
339 |
1308 |
1573 |
817 |
67 |
| VCDI |
0 |
12 |
21 |
205 |
871 |
6878 |
26581 |
63278 |
|
Date: 2025-02-19:
| 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 |
67277 |
17748 |
418 |
443 |
9 |
0 |
0 |
0 |
| OW |
16 |
1172 |
397 |
927 |
107 |
0 |
0 |
0 |
| VODI |
0 |
258 |
163 |
1105 |
634 |
14 |
0 |
0 |
| ODI |
0 |
45 |
43 |
461 |
1108 |
276 |
4 |
0 |
| CDI |
0 |
17 |
26 |
202 |
1188 |
1653 |
725 |
42 |
| VCDI |
0 |
8 |
6 |
194 |
912 |
7182 |
24624 |
65339 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67293 |
17290 |
442 |
564 |
44 |
0 |
0 |
0 |
| OW |
0 |
1182 |
293 |
837 |
206 |
4 |
0 |
0 |
| VODI |
0 |
446 |
102 |
848 |
683 |
94 |
0 |
0 |
| ODI |
0 |
211 |
73 |
338 |
725 |
396 |
33 |
0 |
| CDI |
0 |
81 |
86 |
331 |
1135 |
1511 |
740 |
19 |
| VCDI |
0 |
38 |
57 |
414 |
1165 |
7120 |
24580 |
65362 |
|
Date: 2025-02-21:
| 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 |
68096 |
16895 |
313 |
273 |
10 |
0 |
0 |
0 |
| OW |
0 |
1149 |
398 |
898 |
132 |
0 |
0 |
0 |
| VODI |
0 |
262 |
162 |
899 |
738 |
57 |
0 |
0 |
| ODI |
0 |
72 |
66 |
407 |
816 |
447 |
35 |
1 |
| CDI |
0 |
36 |
39 |
291 |
1043 |
1417 |
895 |
52 |
| VCDI |
0 |
12 |
11 |
168 |
959 |
7037 |
26844 |
63813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68089 |
16099 |
339 |
487 |
70 |
0 |
0 |
0 |
| OW |
7 |
1410 |
237 |
667 |
253 |
6 |
0 |
0 |
| VODI |
0 |
608 |
175 |
634 |
697 |
135 |
2 |
0 |
| ODI |
0 |
164 |
107 |
358 |
671 |
505 |
31 |
6 |
| CDI |
0 |
112 |
88 |
421 |
800 |
1408 |
1057 |
46 |
| VCDI |
0 |
33 |
43 |
369 |
1207 |
6904 |
26684 |
63814 |
|
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