Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-10-23:
| 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 |
3776 |
4211 |
68 |
262 |
35 |
0 |
0 |
0 |
| OW |
2 |
1004 |
73 |
559 |
279 |
11 |
0 |
0 |
| VODI |
0 |
381 |
44 |
453 |
760 |
249 |
5 |
0 |
| ODI |
0 |
13 |
4 |
274 |
533 |
607 |
65 |
0 |
| CDI |
0 |
0 |
0 |
58 |
442 |
1092 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
150 |
2281 |
7806 |
6301 |
|
...date precedes bulletin
|
Date: 2022-10-25:
| 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 |
3621 |
3676 |
84 |
342 |
10 |
0 |
0 |
0 |
| OW |
2 |
544 |
71 |
755 |
143 |
0 |
0 |
0 |
| VODI |
0 |
83 |
25 |
640 |
844 |
34 |
0 |
0 |
| ODI |
0 |
0 |
0 |
35 |
1045 |
474 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
174 |
1757 |
218 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1663 |
8848 |
6960 |
|
...date precedes bulletin
|
Date: 2022-10-27:
| 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 |
3146 |
2578 |
17 |
122 |
331 |
3 |
0 |
0 |
| OW |
64 |
495 |
46 |
407 |
658 |
54 |
0 |
0 |
| VODI |
0 |
7 |
4 |
356 |
1257 |
332 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
687 |
791 |
16 |
0 |
| CDI |
0 |
0 |
0 |
0 |
157 |
1443 |
276 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
33 |
1254 |
9227 |
8312 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3164 |
2774 |
30 |
158 |
440 |
3 |
0 |
0 |
| OW |
46 |
298 |
37 |
415 |
595 |
60 |
0 |
0 |
| VODI |
0 |
8 |
0 |
307 |
1110 |
282 |
0 |
0 |
| ODI |
0 |
0 |
0 |
14 |
676 |
742 |
17 |
0 |
| CDI |
0 |
0 |
0 |
0 |
263 |
1525 |
405 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
1265 |
9097 |
8312 |
|
Date: 2022-10-29:
| 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 |
2047 |
2775 |
23 |
115 |
11 |
91 |
0 |
0 |
| OW |
86 |
541 |
49 |
519 |
281 |
345 |
0 |
0 |
| VODI |
0 |
15 |
6 |
135 |
659 |
907 |
7 |
0 |
| ODI |
0 |
0 |
0 |
1 |
334 |
1238 |
135 |
0 |
| CDI |
0 |
0 |
0 |
0 |
90 |
930 |
773 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
727 |
9692 |
9538 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2076 |
2998 |
43 |
260 |
66 |
109 |
0 |
0 |
| OW |
47 |
305 |
30 |
366 |
204 |
312 |
0 |
0 |
| VODI |
10 |
28 |
5 |
135 |
685 |
949 |
1 |
0 |
| ODI |
0 |
0 |
0 |
9 |
296 |
1075 |
149 |
0 |
| CDI |
0 |
0 |
0 |
0 |
106 |
1052 |
837 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
741 |
9620 |
9538 |
|
Date: 2022-10-31:
| 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 |
2399 |
2564 |
18 |
52 |
0 |
0 |
0 |
0 |
| OW |
0 |
248 |
39 |
305 |
26 |
0 |
0 |
0 |
| VODI |
0 |
3 |
1 |
233 |
327 |
79 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
423 |
588 |
19 |
0 |
| CDI |
0 |
0 |
0 |
0 |
49 |
2496 |
625 |
34 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
823 |
9544 |
11187 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2388 |
2370 |
38 |
335 |
98 |
81 |
0 |
0 |
| OW |
11 |
421 |
20 |
216 |
291 |
265 |
13 |
0 |
| VODI |
0 |
24 |
0 |
39 |
279 |
724 |
96 |
0 |
| ODI |
0 |
0 |
0 |
0 |
130 |
1199 |
315 |
13 |
| CDI |
0 |
0 |
0 |
0 |
27 |
912 |
747 |
52 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
805 |
9017 |
11156 |
|
Date: 2022-11-02:
| 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 |
2015 |
2119 |
32 |
166 |
3 |
0 |
0 |
0 |
| OW |
19 |
289 |
31 |
430 |
174 |
0 |
0 |
0 |
| VODI |
0 |
24 |
1 |
296 |
486 |
109 |
0 |
0 |
| ODI |
0 |
0 |
0 |
19 |
311 |
582 |
6 |
6 |
| CDI |
0 |
0 |
0 |
2 |
331 |
1390 |
194 |
124 |
| VCDI |
0 |
0 |
0 |
0 |
119 |
3009 |
9547 |
10248 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2019 |
1848 |
41 |
435 |
245 |
51 |
0 |
0 |
| OW |
15 |
558 |
23 |
393 |
360 |
167 |
0 |
0 |
| VODI |
0 |
26 |
0 |
85 |
324 |
655 |
13 |
0 |
| ODI |
0 |
0 |
0 |
0 |
218 |
933 |
162 |
29 |
| CDI |
0 |
0 |
0 |
0 |
217 |
1057 |
506 |
143 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
2227 |
9066 |
10206 |
|
Date: 2022-11-04:
| 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 |
1580 |
1738 |
16 |
56 |
16 |
0 |
0 |
0 |
| OW |
0 |
352 |
25 |
309 |
604 |
84 |
0 |
0 |
| VODI |
0 |
22 |
0 |
31 |
315 |
469 |
10 |
0 |
| ODI |
0 |
0 |
0 |
0 |
51 |
531 |
189 |
0 |
| CDI |
0 |
0 |
0 |
0 |
66 |
845 |
595 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
73 |
1900 |
11031 |
11174 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1580 |
1675 |
18 |
99 |
140 |
84 |
1 |
0 |
| OW |
0 |
409 |
23 |
267 |
661 |
463 |
110 |
0 |
| VODI |
0 |
28 |
0 |
30 |
180 |
703 |
294 |
0 |
| ODI |
0 |
0 |
0 |
0 |
57 |
712 |
391 |
0 |
| CDI |
0 |
0 |
0 |
0 |
83 |
817 |
997 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1050 |
10032 |
11174 |
|
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