Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-03
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-27:
| 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 |
139042 |
13875 |
284 |
240 |
78 |
0 |
0 |
0 |
| OW |
68 |
848 |
479 |
940 |
168 |
0 |
0 |
0 |
| VODI |
0 |
110 |
123 |
1221 |
908 |
33 |
0 |
0 |
| ODI |
0 |
19 |
1 |
236 |
1470 |
438 |
0 |
0 |
| CDI |
0 |
14 |
1 |
74 |
766 |
4236 |
319 |
0 |
| VCDI |
0 |
11 |
0 |
7 |
111 |
8347 |
13975 |
6301 |
|
...date precedes bulletin
|
Date: 2024-09-29:
| 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 |
138675 |
13595 |
240 |
239 |
67 |
0 |
0 |
0 |
| OW |
78 |
910 |
408 |
1147 |
212 |
45 |
0 |
0 |
| VODI |
0 |
165 |
155 |
885 |
1061 |
196 |
0 |
0 |
| ODI |
0 |
50 |
18 |
281 |
1034 |
748 |
5 |
0 |
| CDI |
0 |
15 |
5 |
158 |
555 |
3132 |
1073 |
0 |
| VCDI |
0 |
14 |
0 |
21 |
250 |
6325 |
18140 |
4841 |
|
...date precedes bulletin
|
Date: 2024-10-01:
| 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 |
138091 |
14210 |
254 |
238 |
23 |
0 |
0 |
0 |
| OW |
23 |
791 |
526 |
686 |
134 |
2 |
0 |
0 |
| VODI |
0 |
22 |
56 |
1356 |
486 |
76 |
0 |
0 |
| ODI |
0 |
14 |
0 |
142 |
1386 |
284 |
0 |
0 |
| CDI |
0 |
6 |
0 |
15 |
675 |
2345 |
65 |
0 |
| VCDI |
0 |
1 |
0 |
10 |
75 |
5717 |
21149 |
5885 |
|
...date precedes bulletin
|
Date: 2024-10-03:
| 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 |
137410 |
14308 |
264 |
215 |
37 |
0 |
0 |
0 |
| OW |
85 |
859 |
510 |
814 |
180 |
19 |
0 |
0 |
| VODI |
0 |
49 |
106 |
1297 |
501 |
91 |
0 |
0 |
| ODI |
0 |
12 |
2 |
237 |
1191 |
280 |
2 |
0 |
| CDI |
0 |
17 |
1 |
45 |
648 |
1999 |
232 |
0 |
| VCDI |
0 |
14 |
0 |
0 |
188 |
5919 |
19023 |
8188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
137415 |
14364 |
343 |
279 |
55 |
1 |
0 |
0 |
| OW |
80 |
798 |
442 |
808 |
166 |
23 |
0 |
0 |
| VODI |
0 |
53 |
95 |
1239 |
551 |
82 |
0 |
0 |
| ODI |
0 |
12 |
2 |
235 |
1103 |
292 |
2 |
0 |
| CDI |
0 |
17 |
1 |
44 |
669 |
1938 |
192 |
0 |
| VCDI |
0 |
15 |
0 |
3 |
201 |
5972 |
19063 |
8188 |
|
Date: 2024-10-05:
| 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 |
136707 |
13902 |
317 |
367 |
50 |
0 |
0 |
0 |
| OW |
101 |
843 |
427 |
991 |
268 |
22 |
0 |
0 |
| VODI |
0 |
67 |
126 |
1098 |
760 |
168 |
1 |
0 |
| ODI |
0 |
17 |
5 |
322 |
857 |
556 |
52 |
0 |
| CDI |
0 |
28 |
1 |
50 |
656 |
1650 |
866 |
0 |
| VCDI |
0 |
20 |
0 |
20 |
212 |
4665 |
15802 |
12749 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
136717 |
13954 |
390 |
448 |
75 |
0 |
0 |
0 |
| OW |
91 |
789 |
355 |
977 |
269 |
24 |
0 |
0 |
| VODI |
0 |
67 |
125 |
1003 |
731 |
181 |
0 |
0 |
| ODI |
0 |
14 |
5 |
346 |
844 |
532 |
47 |
0 |
| CDI |
0 |
31 |
0 |
51 |
678 |
1567 |
636 |
0 |
| VCDI |
0 |
22 |
1 |
23 |
206 |
4757 |
16038 |
12749 |
|
Date: 2024-10-07:
| 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 |
135229 |
14827 |
304 |
234 |
5 |
0 |
0 |
0 |
| OW |
25 |
655 |
591 |
770 |
76 |
7 |
0 |
0 |
| VODI |
0 |
25 |
29 |
1668 |
479 |
49 |
0 |
0 |
| ODI |
0 |
11 |
1 |
203 |
1534 |
250 |
54 |
0 |
| CDI |
0 |
22 |
2 |
31 |
630 |
2724 |
161 |
0 |
| VCDI |
0 |
11 |
0 |
0 |
172 |
3090 |
19432 |
11442 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
135156 |
14300 |
368 |
472 |
101 |
27 |
0 |
0 |
| OW |
98 |
1086 |
414 |
825 |
246 |
62 |
0 |
0 |
| VODI |
0 |
78 |
132 |
1150 |
733 |
158 |
3 |
0 |
| ODI |
0 |
15 |
7 |
376 |
890 |
599 |
31 |
0 |
| CDI |
0 |
34 |
0 |
65 |
671 |
1609 |
836 |
0 |
| VCDI |
0 |
38 |
6 |
18 |
255 |
3665 |
18777 |
11442 |
|
Date: 2024-10-09:
| 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 |
135010 |
13780 |
498 |
335 |
6 |
0 |
0 |
0 |
| OW |
7 |
580 |
435 |
1173 |
112 |
0 |
0 |
0 |
| VODI |
1 |
40 |
60 |
1241 |
791 |
82 |
0 |
0 |
| ODI |
0 |
17 |
3 |
181 |
1361 |
458 |
10 |
0 |
| CDI |
0 |
24 |
8 |
35 |
534 |
2725 |
502 |
0 |
| VCDI |
0 |
13 |
0 |
11 |
91 |
3126 |
17602 |
13891 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
134913 |
12701 |
443 |
581 |
85 |
23 |
0 |
0 |
| OW |
103 |
1484 |
359 |
740 |
290 |
77 |
0 |
0 |
| VODI |
1 |
143 |
164 |
1201 |
734 |
221 |
0 |
0 |
| ODI |
1 |
38 |
22 |
322 |
970 |
638 |
38 |
0 |
| CDI |
0 |
39 |
8 |
111 |
668 |
1727 |
641 |
1 |
| VCDI |
0 |
49 |
8 |
21 |
148 |
3705 |
17435 |
13890 |
|
Date: 2024-10-11:
| 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 |
131199 |
16310 |
426 |
226 |
0 |
0 |
0 |
0 |
| OW |
24 |
958 |
533 |
1300 |
168 |
0 |
0 |
0 |
| VODI |
5 |
73 |
129 |
917 |
1054 |
86 |
0 |
0 |
| ODI |
2 |
14 |
22 |
226 |
1128 |
654 |
15 |
0 |
| CDI |
7 |
24 |
5 |
189 |
697 |
2527 |
959 |
0 |
| VCDI |
1 |
24 |
2 |
34 |
403 |
4561 |
15468 |
14373 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
131120 |
15744 |
474 |
638 |
55 |
0 |
0 |
0 |
| OW |
98 |
1194 |
353 |
695 |
347 |
17 |
0 |
0 |
| VODI |
5 |
280 |
193 |
963 |
929 |
201 |
0 |
0 |
| ODI |
5 |
69 |
47 |
287 |
815 |
712 |
14 |
0 |
| CDI |
8 |
37 |
44 |
235 |
789 |
1315 |
489 |
0 |
| VCDI |
2 |
79 |
6 |
74 |
515 |
5583 |
15939 |
14373 |
|
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