Validation of sea ice concentration - Full domain
Bulletin date: 2024-08-29
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-23:
| 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 |
134165 |
10589 |
38 |
52 |
0 |
0 |
0 |
0 |
| OW |
314 |
5080 |
681 |
500 |
4 |
0 |
0 |
0 |
| VODI |
56 |
769 |
894 |
6518 |
565 |
1 |
0 |
0 |
| ODI |
24 |
67 |
1 |
660 |
14369 |
2094 |
0 |
0 |
| CDI |
11 |
12 |
1 |
21 |
2058 |
10470 |
148 |
0 |
| VCDI |
0 |
44 |
0 |
16 |
72 |
1842 |
2607 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-25:
| 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 |
135351 |
9589 |
43 |
8 |
0 |
0 |
0 |
0 |
| OW |
418 |
5249 |
596 |
429 |
4 |
0 |
0 |
0 |
| VODI |
59 |
1286 |
1162 |
5641 |
538 |
21 |
0 |
0 |
| ODI |
32 |
54 |
8 |
965 |
14487 |
2288 |
0 |
0 |
| CDI |
4 |
33 |
3 |
15 |
1671 |
9274 |
813 |
0 |
| VCDI |
0 |
19 |
0 |
8 |
64 |
1472 |
3139 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-27:
| 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 |
135690 |
11792 |
38 |
15 |
0 |
0 |
0 |
0 |
| OW |
258 |
5436 |
1055 |
521 |
1 |
0 |
0 |
0 |
| VODI |
38 |
234 |
422 |
5452 |
445 |
5 |
0 |
0 |
| ODI |
13 |
9 |
1 |
520 |
13166 |
813 |
2 |
0 |
| CDI |
2 |
35 |
0 |
4 |
2250 |
11767 |
367 |
0 |
| VCDI |
0 |
17 |
0 |
1 |
32 |
1119 |
3223 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-29:
| 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 |
136802 |
11165 |
18 |
15 |
0 |
0 |
0 |
0 |
| OW |
363 |
5617 |
759 |
405 |
1 |
0 |
0 |
0 |
| VODI |
41 |
478 |
567 |
4962 |
517 |
1 |
0 |
0 |
| ODI |
9 |
16 |
18 |
707 |
13186 |
815 |
1 |
0 |
| CDI |
1 |
16 |
0 |
35 |
2740 |
10495 |
585 |
0 |
| VCDI |
0 |
37 |
0 |
7 |
69 |
1142 |
3151 |
2 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
136828 |
11417 |
27 |
14 |
0 |
0 |
0 |
0 |
| OW |
331 |
5314 |
749 |
435 |
0 |
0 |
0 |
0 |
| VODI |
51 |
534 |
570 |
4770 |
733 |
1 |
0 |
0 |
| ODI |
5 |
12 |
16 |
861 |
12715 |
948 |
1 |
0 |
| CDI |
1 |
16 |
0 |
43 |
2998 |
10361 |
641 |
0 |
| VCDI |
0 |
36 |
0 |
8 |
67 |
1143 |
3095 |
2 |
|
Date: 2024-08-31:
| 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 |
137117 |
11154 |
24 |
24 |
1 |
0 |
0 |
0 |
| OW |
381 |
5593 |
609 |
433 |
5 |
0 |
0 |
0 |
| VODI |
51 |
634 |
699 |
4678 |
440 |
2 |
0 |
0 |
| ODI |
7 |
5 |
26 |
1012 |
13611 |
470 |
0 |
0 |
| CDI |
0 |
32 |
0 |
44 |
2228 |
10366 |
555 |
0 |
| VCDI |
0 |
20 |
0 |
6 |
86 |
1572 |
2858 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
137099 |
11474 |
42 |
19 |
1 |
0 |
0 |
0 |
| OW |
408 |
5197 |
613 |
478 |
2 |
0 |
0 |
0 |
| VODI |
43 |
712 |
681 |
4464 |
782 |
2 |
0 |
0 |
| ODI |
6 |
3 |
22 |
1193 |
12882 |
563 |
0 |
0 |
| CDI |
0 |
37 |
0 |
37 |
2608 |
10176 |
591 |
0 |
| VCDI |
0 |
15 |
0 |
6 |
96 |
1669 |
2822 |
0 |
|
Date: 2024-09-02:
| 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 |
137962 |
12743 |
20 |
20 |
0 |
0 |
0 |
0 |
| OW |
204 |
4111 |
1186 |
500 |
2 |
0 |
0 |
0 |
| VODI |
6 |
45 |
90 |
5228 |
374 |
5 |
0 |
0 |
| ODI |
1 |
6 |
0 |
362 |
15375 |
457 |
0 |
0 |
| CDI |
0 |
34 |
0 |
9 |
1102 |
10611 |
152 |
0 |
| VCDI |
0 |
13 |
0 |
1 |
42 |
837 |
3245 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
137703 |
10646 |
30 |
14 |
0 |
0 |
0 |
0 |
| OW |
448 |
5317 |
537 |
566 |
2 |
1 |
0 |
0 |
| VODI |
21 |
932 |
701 |
4127 |
986 |
5 |
0 |
0 |
| ODI |
1 |
6 |
28 |
1385 |
12590 |
700 |
0 |
0 |
| CDI |
0 |
33 |
0 |
28 |
3206 |
9932 |
227 |
0 |
| VCDI |
0 |
18 |
0 |
0 |
111 |
1272 |
3170 |
0 |
|
Date: 2024-09-04:
| 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 |
139556 |
11018 |
14 |
29 |
0 |
0 |
0 |
0 |
| OW |
789 |
3867 |
742 |
524 |
31 |
0 |
0 |
0 |
| VODI |
18 |
228 |
368 |
4465 |
891 |
2 |
0 |
0 |
| ODI |
1 |
7 |
5 |
523 |
14180 |
1230 |
0 |
0 |
| CDI |
0 |
44 |
1 |
14 |
1130 |
10242 |
620 |
0 |
| VCDI |
0 |
11 |
0 |
5 |
29 |
1303 |
2856 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138902 |
9291 |
24 |
33 |
1 |
0 |
0 |
0 |
| OW |
1286 |
4672 |
382 |
583 |
34 |
3 |
0 |
0 |
| VODI |
175 |
1140 |
698 |
3544 |
1253 |
6 |
0 |
0 |
| ODI |
1 |
16 |
24 |
1369 |
12176 |
1121 |
3 |
0 |
| CDI |
0 |
26 |
2 |
26 |
2660 |
10172 |
850 |
0 |
| VCDI |
0 |
30 |
0 |
5 |
137 |
1475 |
2623 |
0 |
|
Date: 2024-09-06:
| 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 |
140175 |
10756 |
19 |
23 |
0 |
0 |
0 |
0 |
| OW |
668 |
3733 |
747 |
476 |
101 |
0 |
0 |
0 |
| VODI |
20 |
373 |
410 |
3750 |
1123 |
1 |
0 |
0 |
| ODI |
1 |
24 |
5 |
292 |
11982 |
2666 |
0 |
0 |
| CDI |
0 |
38 |
0 |
15 |
1404 |
10484 |
706 |
0 |
| VCDI |
0 |
20 |
0 |
10 |
22 |
2284 |
2415 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
139270 |
9189 |
31 |
10 |
19 |
0 |
0 |
0 |
| OW |
1470 |
4458 |
514 |
547 |
87 |
0 |
0 |
0 |
| VODI |
123 |
1207 |
627 |
3298 |
1285 |
4 |
0 |
0 |
| ODI |
1 |
29 |
8 |
648 |
10569 |
1914 |
0 |
0 |
| CDI |
0 |
27 |
1 |
50 |
2552 |
11116 |
898 |
0 |
| VCDI |
0 |
34 |
0 |
13 |
120 |
2401 |
2223 |
0 |
|
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