Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-01:
| 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 |
124544 |
20256 |
689 |
498 |
33 |
0 |
0 |
0 |
| OW |
0 |
1006 |
655 |
1105 |
47 |
0 |
0 |
0 |
| VODI |
0 |
22 |
159 |
3528 |
847 |
1 |
0 |
0 |
| ODI |
0 |
2 |
1 |
1106 |
7628 |
875 |
0 |
0 |
| CDI |
0 |
5 |
2 |
59 |
4785 |
11199 |
879 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
134 |
2835 |
4148 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-03:
| 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 |
123709 |
20932 |
625 |
597 |
3 |
0 |
0 |
0 |
| OW |
0 |
1390 |
685 |
1086 |
45 |
0 |
0 |
0 |
| VODI |
0 |
46 |
232 |
3611 |
628 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
1503 |
7317 |
470 |
0 |
0 |
| CDI |
0 |
5 |
0 |
82 |
6007 |
10459 |
532 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
233 |
3711 |
3136 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-05:
| 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 |
128178 |
18473 |
807 |
598 |
0 |
0 |
0 |
0 |
| OW |
0 |
193 |
516 |
1219 |
24 |
0 |
0 |
0 |
| VODI |
0 |
11 |
20 |
3236 |
668 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
866 |
8795 |
650 |
2 |
0 |
| CDI |
0 |
3 |
2 |
11 |
3288 |
12464 |
1134 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
3247 |
2614 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-07:
| 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 |
126762 |
19898 |
769 |
437 |
4 |
0 |
0 |
0 |
| OW |
0 |
569 |
536 |
1116 |
32 |
0 |
0 |
0 |
| VODI |
0 |
39 |
113 |
2921 |
801 |
0 |
0 |
0 |
| ODI |
0 |
3 |
1 |
1267 |
6803 |
1860 |
0 |
0 |
| CDI |
0 |
1 |
0 |
52 |
4299 |
10851 |
977 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
75 |
5340 |
1521 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
126762 |
19732 |
815 |
596 |
5 |
0 |
0 |
0 |
| OW |
0 |
679 |
477 |
913 |
44 |
0 |
0 |
0 |
| VODI |
0 |
96 |
124 |
2914 |
864 |
0 |
0 |
0 |
| ODI |
0 |
2 |
3 |
1331 |
6451 |
1762 |
0 |
0 |
| CDI |
0 |
1 |
0 |
38 |
4515 |
10591 |
938 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
135 |
5698 |
1560 |
0 |
|
Date: 2023-09-09:
| 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 |
129843 |
16865 |
560 |
449 |
0 |
0 |
0 |
0 |
| OW |
0 |
796 |
576 |
1131 |
10 |
0 |
0 |
0 |
| VODI |
0 |
54 |
174 |
3059 |
602 |
0 |
0 |
0 |
| ODI |
0 |
2 |
11 |
1716 |
6777 |
973 |
20 |
0 |
| CDI |
0 |
0 |
0 |
222 |
4017 |
9893 |
371 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
65 |
6489 |
2371 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
129843 |
16598 |
642 |
627 |
0 |
0 |
0 |
0 |
| OW |
0 |
999 |
443 |
1002 |
20 |
0 |
0 |
0 |
| VODI |
0 |
117 |
221 |
3019 |
585 |
0 |
0 |
0 |
| ODI |
0 |
3 |
15 |
1703 |
6414 |
1045 |
16 |
0 |
| CDI |
0 |
0 |
0 |
226 |
4391 |
9534 |
371 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
61 |
6776 |
2375 |
0 |
|
Date: 2023-09-11:
| 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 |
129532 |
18179 |
754 |
583 |
0 |
0 |
0 |
0 |
| OW |
1 |
324 |
538 |
1194 |
5 |
0 |
0 |
0 |
| VODI |
0 |
9 |
43 |
3837 |
550 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
489 |
10382 |
358 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1431 |
13018 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
13 |
2824 |
2807 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
129531 |
16892 |
547 |
604 |
6 |
0 |
0 |
0 |
| OW |
2 |
1295 |
396 |
948 |
70 |
0 |
0 |
0 |
| VODI |
0 |
298 |
337 |
2559 |
712 |
56 |
0 |
0 |
| ODI |
0 |
27 |
54 |
1684 |
5541 |
587 |
2 |
0 |
| CDI |
0 |
0 |
1 |
308 |
5964 |
7255 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
88 |
8302 |
2781 |
0 |
|
Date: 2023-09-13:
| 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 |
128851 |
18393 |
980 |
995 |
33 |
0 |
0 |
0 |
| OW |
0 |
491 |
456 |
1227 |
155 |
0 |
0 |
0 |
| VODI |
0 |
15 |
70 |
2827 |
814 |
83 |
0 |
0 |
| ODI |
0 |
0 |
1 |
639 |
8659 |
1197 |
21 |
0 |
| CDI |
0 |
0 |
0 |
1 |
2110 |
9272 |
1751 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
15 |
5099 |
2890 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128831 |
17056 |
734 |
858 |
36 |
0 |
0 |
0 |
| OW |
20 |
1386 |
375 |
819 |
130 |
0 |
0 |
0 |
| VODI |
0 |
422 |
354 |
2415 |
680 |
66 |
0 |
0 |
| ODI |
0 |
35 |
44 |
1461 |
5087 |
565 |
14 |
0 |
| CDI |
0 |
0 |
0 |
136 |
5767 |
6736 |
1017 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
86 |
8284 |
3631 |
0 |
|
Date: 2023-09-15:
| 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 |
130674 |
16831 |
615 |
708 |
111 |
0 |
0 |
0 |
| OW |
0 |
786 |
549 |
1089 |
165 |
0 |
0 |
0 |
| VODI |
0 |
69 |
125 |
2557 |
800 |
59 |
0 |
0 |
| ODI |
0 |
0 |
18 |
909 |
7292 |
1438 |
19 |
0 |
| CDI |
0 |
0 |
0 |
91 |
2934 |
8130 |
1258 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
5207 |
4576 |
16 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
130674 |
15137 |
549 |
815 |
107 |
0 |
0 |
0 |
| OW |
0 |
1738 |
240 |
671 |
190 |
0 |
0 |
0 |
| VODI |
0 |
764 |
412 |
1996 |
704 |
37 |
0 |
0 |
| ODI |
0 |
47 |
106 |
1529 |
4272 |
577 |
0 |
0 |
| CDI |
0 |
0 |
0 |
343 |
5904 |
6960 |
743 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
147 |
7260 |
5110 |
16 |
|
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