Validation of sea ice concentration - Full domain
Bulletin date: 2024-09-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
118689 |
12361 |
58 |
20 |
0 |
0 |
0 |
0 |
| OW |
3075 |
5284 |
830 |
503 |
4 |
0 |
0 |
0 |
| VODI |
880 |
808 |
927 |
4040 |
615 |
18 |
0 |
0 |
| ODI |
1 |
49 |
43 |
1890 |
11477 |
1468 |
12 |
0 |
| CDI |
0 |
21 |
13 |
65 |
2413 |
10241 |
625 |
0 |
| VCDI |
0 |
12 |
1 |
13 |
39 |
796 |
3390 |
129 |
|
...date precedes bulletin
|
Date: 2024-09-01:
| 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 |
119556 |
11526 |
36 |
7 |
0 |
0 |
0 |
0 |
| OW |
3093 |
5431 |
758 |
531 |
7 |
0 |
0 |
0 |
| VODI |
849 |
977 |
979 |
3741 |
640 |
41 |
2 |
0 |
| ODI |
0 |
65 |
42 |
2091 |
10926 |
1937 |
44 |
0 |
| CDI |
0 |
23 |
17 |
49 |
2696 |
9716 |
706 |
0 |
| VCDI |
0 |
11 |
2 |
8 |
48 |
844 |
3411 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-03:
| 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 |
119702 |
13724 |
101 |
29 |
0 |
0 |
0 |
0 |
| OW |
3239 |
3901 |
981 |
690 |
3 |
0 |
0 |
0 |
| VODI |
659 |
414 |
591 |
4092 |
724 |
5 |
0 |
0 |
| ODI |
0 |
10 |
13 |
1851 |
11949 |
2335 |
1 |
0 |
| CDI |
0 |
25 |
6 |
25 |
1007 |
9901 |
827 |
0 |
| VCDI |
0 |
3 |
0 |
4 |
15 |
686 |
3297 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-05:
| 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 |
119954 |
13607 |
80 |
58 |
3 |
0 |
0 |
0 |
| OW |
3163 |
4013 |
800 |
570 |
65 |
2 |
0 |
0 |
| VODI |
701 |
518 |
616 |
3540 |
1044 |
23 |
0 |
0 |
| ODI |
0 |
28 |
27 |
1435 |
10411 |
3728 |
11 |
0 |
| CDI |
0 |
22 |
5 |
44 |
1132 |
9259 |
1575 |
0 |
| VCDI |
0 |
7 |
0 |
10 |
11 |
925 |
3367 |
56 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119980 |
13709 |
114 |
58 |
3 |
0 |
0 |
0 |
| OW |
3162 |
3824 |
804 |
596 |
86 |
2 |
0 |
0 |
| VODI |
676 |
602 |
573 |
3538 |
1252 |
36 |
0 |
0 |
| ODI |
0 |
28 |
32 |
1414 |
10306 |
4220 |
10 |
0 |
| CDI |
0 |
27 |
5 |
42 |
1002 |
8718 |
1324 |
0 |
| VCDI |
0 |
5 |
0 |
9 |
17 |
961 |
3619 |
56 |
|
Date: 2024-09-07:
| 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 |
121340 |
12541 |
67 |
29 |
0 |
0 |
0 |
0 |
| OW |
3227 |
3977 |
674 |
489 |
58 |
18 |
0 |
0 |
| VODI |
709 |
644 |
695 |
3275 |
906 |
22 |
0 |
0 |
| ODI |
0 |
25 |
25 |
930 |
9709 |
3204 |
0 |
0 |
| CDI |
0 |
27 |
3 |
56 |
977 |
10489 |
1693 |
0 |
| VCDI |
0 |
9 |
0 |
4 |
20 |
2177 |
2791 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121388 |
12519 |
65 |
23 |
0 |
0 |
0 |
0 |
| OW |
3203 |
3930 |
717 |
529 |
72 |
18 |
0 |
0 |
| VODI |
685 |
708 |
647 |
3212 |
1059 |
19 |
0 |
0 |
| ODI |
0 |
27 |
31 |
953 |
9529 |
3932 |
3 |
0 |
| CDI |
0 |
31 |
4 |
62 |
968 |
9705 |
1665 |
0 |
| VCDI |
0 |
8 |
0 |
4 |
42 |
2236 |
2816 |
0 |
|
Date: 2024-09-09:
| 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 |
122898 |
12902 |
115 |
16 |
0 |
0 |
0 |
0 |
| OW |
2754 |
2890 |
803 |
531 |
23 |
0 |
0 |
0 |
| VODI |
1065 |
209 |
415 |
2730 |
536 |
16 |
0 |
0 |
| ODI |
0 |
30 |
15 |
609 |
6187 |
946 |
0 |
0 |
| CDI |
0 |
25 |
6 |
58 |
1005 |
14752 |
1209 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
12 |
2874 |
5178 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122685 |
11204 |
85 |
45 |
10 |
0 |
0 |
0 |
| OW |
3258 |
3881 |
628 |
579 |
62 |
3 |
0 |
0 |
| VODI |
774 |
870 |
584 |
2562 |
1305 |
206 |
0 |
0 |
| ODI |
0 |
56 |
48 |
681 |
5400 |
5056 |
294 |
0 |
| CDI |
0 |
45 |
9 |
57 |
941 |
10453 |
3633 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
45 |
2870 |
2460 |
0 |
|
Date: 2024-09-11:
| 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 |
122566 |
13293 |
129 |
24 |
0 |
0 |
0 |
0 |
| OW |
2672 |
2781 |
779 |
585 |
35 |
0 |
0 |
0 |
| VODI |
1272 |
252 |
403 |
2519 |
704 |
30 |
0 |
0 |
| ODI |
0 |
33 |
14 |
556 |
4306 |
1290 |
28 |
0 |
| CDI |
0 |
29 |
6 |
44 |
1554 |
10910 |
2146 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
85 |
3819 |
7944 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122409 |
11682 |
103 |
57 |
3 |
0 |
0 |
0 |
| OW |
3106 |
3588 |
614 |
709 |
93 |
2 |
0 |
0 |
| VODI |
995 |
995 |
553 |
2226 |
1442 |
130 |
1 |
0 |
| ODI |
0 |
84 |
54 |
676 |
4332 |
4232 |
156 |
0 |
| CDI |
0 |
38 |
7 |
59 |
797 |
10219 |
4527 |
0 |
| VCDI |
0 |
1 |
0 |
3 |
17 |
1466 |
5434 |
0 |
|
Date: 2024-09-13:
| 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 |
123108 |
12805 |
103 |
20 |
5 |
0 |
0 |
0 |
| OW |
2571 |
2798 |
677 |
574 |
53 |
4 |
0 |
0 |
| VODI |
1464 |
332 |
476 |
2302 |
805 |
74 |
1 |
0 |
| ODI |
0 |
36 |
35 |
647 |
3220 |
1174 |
50 |
0 |
| CDI |
0 |
26 |
9 |
42 |
1268 |
7239 |
2557 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
73 |
6843 |
9416 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123089 |
11029 |
127 |
65 |
3 |
0 |
0 |
0 |
| OW |
2861 |
3667 |
523 |
713 |
120 |
5 |
0 |
0 |
| VODI |
1193 |
1187 |
576 |
1994 |
1233 |
235 |
3 |
0 |
| ODI |
0 |
75 |
57 |
746 |
3461 |
3495 |
238 |
0 |
| CDI |
0 |
39 |
17 |
67 |
593 |
9137 |
5823 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
14 |
2462 |
5960 |
0 |
|
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