Validation of sea ice concentration - Full domain
Bulletin date: 2024-08-22
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-16:
| 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 |
130713 |
10317 |
59 |
51 |
0 |
0 |
0 |
0 |
| OW |
117 |
5318 |
486 |
299 |
5 |
0 |
0 |
0 |
| VODI |
26 |
1128 |
1009 |
7514 |
514 |
6 |
0 |
0 |
| ODI |
1 |
94 |
23 |
1528 |
12632 |
1242 |
1 |
0 |
| CDI |
0 |
118 |
10 |
162 |
3599 |
13130 |
2700 |
0 |
| VCDI |
0 |
0 |
0 |
77 |
181 |
456 |
1227 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-18:
| 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 |
131794 |
9576 |
55 |
30 |
0 |
0 |
0 |
0 |
| OW |
173 |
5344 |
404 |
341 |
4 |
0 |
0 |
0 |
| VODI |
57 |
1547 |
1003 |
7215 |
590 |
1 |
0 |
0 |
| ODI |
27 |
108 |
38 |
1552 |
12119 |
1922 |
0 |
0 |
| CDI |
36 |
93 |
11 |
131 |
3662 |
12378 |
2581 |
0 |
| VCDI |
1 |
0 |
0 |
43 |
235 |
515 |
1157 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-20:
| 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 |
133418 |
10685 |
61 |
45 |
0 |
0 |
0 |
0 |
| OW |
163 |
4869 |
1220 |
572 |
0 |
0 |
0 |
0 |
| VODI |
34 |
225 |
420 |
7726 |
511 |
0 |
0 |
1 |
| ODI |
11 |
46 |
2 |
408 |
15357 |
681 |
0 |
0 |
| CDI |
7 |
16 |
6 |
63 |
1969 |
10476 |
530 |
3 |
| VCDI |
0 |
0 |
0 |
23 |
112 |
1338 |
3212 |
533 |
|
...date precedes bulletin
|
Date: 2024-08-22:
| 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 |
133400 |
11118 |
59 |
33 |
0 |
0 |
0 |
0 |
| OW |
317 |
5060 |
802 |
443 |
2 |
0 |
0 |
0 |
| VODI |
56 |
641 |
808 |
6837 |
549 |
1 |
0 |
0 |
| ODI |
29 |
58 |
8 |
566 |
14696 |
1479 |
0 |
0 |
| CDI |
8 |
29 |
2 |
16 |
1843 |
11022 |
357 |
0 |
| VCDI |
0 |
37 |
0 |
13 |
75 |
2191 |
2188 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
133388 |
11484 |
67 |
40 |
0 |
0 |
0 |
0 |
| OW |
319 |
4587 |
724 |
540 |
3 |
0 |
0 |
0 |
| VODI |
65 |
743 |
878 |
6727 |
687 |
1 |
0 |
0 |
| ODI |
29 |
62 |
8 |
571 |
14229 |
1538 |
0 |
0 |
| CDI |
9 |
33 |
2 |
18 |
2174 |
10851 |
357 |
0 |
| VCDI |
0 |
34 |
0 |
12 |
72 |
2303 |
2188 |
0 |
|
Date: 2024-08-24:
| 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 |
135049 |
9826 |
41 |
36 |
0 |
0 |
0 |
0 |
| OW |
358 |
5099 |
623 |
508 |
13 |
0 |
0 |
0 |
| VODI |
58 |
1029 |
1065 |
6039 |
569 |
2 |
0 |
0 |
| ODI |
22 |
67 |
6 |
760 |
14319 |
2396 |
2 |
0 |
| CDI |
10 |
16 |
2 |
16 |
1734 |
9688 |
691 |
0 |
| VCDI |
0 |
36 |
0 |
11 |
59 |
1516 |
3077 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
134988 |
10088 |
51 |
45 |
0 |
0 |
0 |
0 |
| OW |
412 |
4691 |
614 |
569 |
11 |
0 |
0 |
0 |
| VODI |
61 |
1172 |
1065 |
5991 |
756 |
14 |
0 |
0 |
| ODI |
22 |
69 |
5 |
741 |
13851 |
2585 |
14 |
0 |
| CDI |
14 |
24 |
2 |
15 |
2021 |
9506 |
695 |
0 |
| VCDI |
0 |
29 |
0 |
9 |
55 |
1497 |
3061 |
0 |
|
Date: 2024-08-26:
| 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 |
135242 |
11942 |
32 |
34 |
0 |
0 |
0 |
0 |
| OW |
266 |
4908 |
1401 |
759 |
4 |
0 |
0 |
0 |
| VODI |
34 |
87 |
67 |
6002 |
397 |
1 |
0 |
0 |
| ODI |
13 |
7 |
5 |
309 |
14177 |
374 |
0 |
0 |
| CDI |
2 |
44 |
2 |
4 |
1034 |
12925 |
170 |
0 |
| VCDI |
0 |
7 |
0 |
0 |
29 |
1019 |
3446 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
134968 |
10105 |
41 |
57 |
0 |
0 |
0 |
0 |
| OW |
494 |
5158 |
451 |
599 |
9 |
0 |
0 |
0 |
| VODI |
55 |
1626 |
1002 |
5378 |
820 |
16 |
0 |
0 |
| ODI |
31 |
54 |
6 |
1063 |
13040 |
3044 |
25 |
0 |
| CDI |
9 |
44 |
7 |
11 |
1733 |
10039 |
823 |
0 |
| VCDI |
0 |
8 |
0 |
0 |
39 |
1220 |
2768 |
0 |
|
Date: 2024-08-28:
| 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 |
136438 |
11312 |
37 |
16 |
0 |
0 |
0 |
0 |
| OW |
282 |
5618 |
834 |
452 |
2 |
0 |
0 |
0 |
| VODI |
38 |
365 |
616 |
5148 |
401 |
3 |
0 |
0 |
| ODI |
13 |
12 |
1 |
746 |
13263 |
490 |
0 |
0 |
| CDI |
2 |
29 |
0 |
16 |
3724 |
10385 |
194 |
0 |
| VCDI |
0 |
24 |
0 |
6 |
55 |
830 |
3391 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
136080 |
9208 |
58 |
24 |
0 |
0 |
0 |
0 |
| OW |
602 |
5781 |
373 |
427 |
4 |
0 |
0 |
0 |
| VODI |
62 |
2270 |
1017 |
4406 |
855 |
10 |
0 |
0 |
| ODI |
23 |
47 |
39 |
1477 |
12752 |
2600 |
2 |
0 |
| CDI |
6 |
34 |
1 |
43 |
3787 |
7873 |
1189 |
0 |
| VCDI |
0 |
20 |
0 |
7 |
47 |
1225 |
2394 |
0 |
|
Date: 2024-08-30:
| 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 |
136936 |
11221 |
16 |
15 |
0 |
0 |
0 |
0 |
| OW |
390 |
5527 |
687 |
451 |
4 |
0 |
0 |
0 |
| VODI |
39 |
479 |
622 |
4927 |
462 |
2 |
0 |
0 |
| ODI |
5 |
6 |
14 |
772 |
13648 |
534 |
1 |
0 |
| CDI |
1 |
29 |
0 |
37 |
2498 |
10562 |
362 |
2 |
| VCDI |
0 |
23 |
0 |
3 |
65 |
1150 |
3043 |
210 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
136475 |
8969 |
26 |
26 |
0 |
0 |
0 |
0 |
| OW |
734 |
6076 |
427 |
472 |
4 |
0 |
0 |
0 |
| VODI |
137 |
2128 |
844 |
4175 |
1001 |
22 |
0 |
0 |
| ODI |
23 |
59 |
42 |
1478 |
12834 |
2108 |
48 |
0 |
| CDI |
2 |
10 |
0 |
51 |
2741 |
8498 |
982 |
61 |
| VCDI |
0 |
43 |
0 |
3 |
97 |
1620 |
2376 |
151 |
|
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