Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-07:
| 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 |
7162 |
7613 |
36 |
105 |
0 |
0 |
0 |
0 |
| OW |
30 |
832 |
76 |
391 |
47 |
0 |
0 |
0 |
| VODI |
1 |
110 |
41 |
611 |
433 |
45 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
737 |
132 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
587 |
516 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
3547 |
8223 |
620 |
|
...date precedes bulletin
|
Date: 2022-10-09:
| 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 |
5957 |
7091 |
65 |
247 |
20 |
0 |
0 |
0 |
| OW |
375 |
1037 |
47 |
359 |
275 |
3 |
0 |
0 |
| VODI |
27 |
263 |
33 |
397 |
669 |
139 |
0 |
0 |
| ODI |
0 |
0 |
0 |
70 |
638 |
362 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
284 |
714 |
48 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
68 |
2497 |
7933 |
2451 |
|
...date precedes bulletin
|
Date: 2022-10-11:
| 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 |
6044 |
6892 |
54 |
209 |
17 |
0 |
0 |
0 |
| OW |
12 |
949 |
78 |
492 |
109 |
0 |
0 |
0 |
| VODI |
16 |
62 |
17 |
515 |
643 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
830 |
315 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
284 |
1138 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
1955 |
7788 |
3482 |
|
...date precedes bulletin
|
Date: 2022-10-13:
| 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 |
5663 |
6303 |
38 |
138 |
15 |
0 |
0 |
0 |
| OW |
20 |
921 |
86 |
499 |
223 |
6 |
0 |
0 |
| VODI |
20 |
71 |
17 |
506 |
1066 |
160 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
560 |
546 |
15 |
0 |
| CDI |
0 |
0 |
0 |
12 |
245 |
798 |
270 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
1221 |
6891 |
5678 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5649 |
6345 |
52 |
265 |
78 |
0 |
0 |
0 |
| OW |
33 |
815 |
72 |
432 |
391 |
16 |
0 |
0 |
| VODI |
21 |
134 |
17 |
437 |
963 |
264 |
0 |
0 |
| ODI |
0 |
1 |
0 |
34 |
403 |
485 |
19 |
0 |
| CDI |
0 |
0 |
0 |
12 |
261 |
740 |
290 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
1226 |
6867 |
5678 |
|
Date: 2022-10-15:
| 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 |
5173 |
6178 |
32 |
92 |
5 |
0 |
0 |
0 |
| OW |
15 |
1165 |
77 |
454 |
170 |
25 |
0 |
0 |
| VODI |
17 |
150 |
35 |
475 |
941 |
303 |
0 |
0 |
| ODI |
6 |
20 |
4 |
63 |
525 |
583 |
62 |
0 |
| CDI |
0 |
1 |
2 |
49 |
225 |
839 |
202 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
238 |
2040 |
8560 |
3344 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5159 |
6392 |
49 |
199 |
66 |
1 |
0 |
0 |
| OW |
26 |
804 |
63 |
374 |
254 |
76 |
0 |
0 |
| VODI |
17 |
298 |
31 |
445 |
984 |
424 |
2 |
0 |
| ODI |
9 |
19 |
6 |
61 |
302 |
539 |
79 |
0 |
| CDI |
0 |
1 |
1 |
46 |
252 |
693 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
246 |
2057 |
8497 |
3344 |
|
Date: 2022-10-17:
| 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 |
4495 |
6789 |
40 |
79 |
0 |
0 |
0 |
0 |
| OW |
1 |
727 |
74 |
349 |
17 |
1 |
0 |
0 |
| VODI |
11 |
95 |
30 |
705 |
466 |
0 |
0 |
0 |
| ODI |
12 |
1 |
0 |
61 |
1056 |
167 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
293 |
2092 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
1664 |
8046 |
4662 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4462 |
6408 |
46 |
171 |
63 |
6 |
0 |
0 |
| OW |
34 |
837 |
55 |
373 |
201 |
63 |
0 |
0 |
| VODI |
11 |
358 |
39 |
552 |
871 |
591 |
14 |
0 |
| ODI |
12 |
9 |
4 |
68 |
459 |
645 |
102 |
0 |
| CDI |
0 |
0 |
0 |
34 |
200 |
919 |
164 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
87 |
1700 |
7862 |
4662 |
|
Date: 2022-10-19:
| 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 |
3937 |
5916 |
55 |
235 |
23 |
0 |
0 |
0 |
| OW |
1 |
860 |
74 |
458 |
142 |
0 |
0 |
0 |
| VODI |
0 |
235 |
29 |
537 |
701 |
88 |
0 |
0 |
| ODI |
0 |
11 |
2 |
53 |
686 |
483 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
356 |
1383 |
102 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
2097 |
10261 |
3327 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3937 |
5843 |
73 |
370 |
117 |
8 |
0 |
0 |
| OW |
1 |
760 |
57 |
417 |
313 |
39 |
0 |
0 |
| VODI |
0 |
401 |
27 |
428 |
893 |
525 |
19 |
0 |
| ODI |
0 |
18 |
3 |
56 |
423 |
1095 |
88 |
0 |
| CDI |
0 |
0 |
0 |
15 |
147 |
1007 |
270 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
1377 |
9986 |
3327 |
|
Date: 2022-10-21:
| 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 |
4176 |
4766 |
40 |
179 |
8 |
0 |
0 |
0 |
| OW |
1 |
1007 |
91 |
476 |
159 |
1 |
0 |
0 |
| VODI |
0 |
415 |
30 |
564 |
720 |
84 |
0 |
0 |
| ODI |
0 |
17 |
8 |
275 |
643 |
419 |
0 |
0 |
| CDI |
0 |
0 |
0 |
64 |
543 |
1099 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
113 |
2954 |
6965 |
6236 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4175 |
4734 |
62 |
345 |
65 |
7 |
0 |
0 |
| OW |
2 |
926 |
65 |
533 |
347 |
27 |
0 |
0 |
| VODI |
0 |
537 |
37 |
585 |
828 |
377 |
0 |
0 |
| ODI |
0 |
8 |
5 |
80 |
630 |
956 |
36 |
0 |
| CDI |
0 |
0 |
0 |
15 |
265 |
1148 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
2042 |
6854 |
6236 |
|
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