Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-14:
| 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 |
5528 |
6204 |
31 |
110 |
9 |
0 |
0 |
0 |
| OW |
25 |
980 |
74 |
444 |
236 |
36 |
0 |
0 |
| VODI |
24 |
133 |
25 |
436 |
809 |
412 |
7 |
0 |
| ODI |
0 |
6 |
4 |
62 |
441 |
616 |
60 |
0 |
| CDI |
0 |
0 |
0 |
38 |
98 |
831 |
268 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
175 |
1371 |
7486 |
5098 |
|
...date precedes bulletin
|
Date: 2022-10-16:
| 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 |
5084 |
5908 |
28 |
68 |
0 |
0 |
0 |
0 |
| OW |
29 |
1310 |
84 |
436 |
126 |
3 |
0 |
0 |
| VODI |
13 |
177 |
39 |
585 |
890 |
169 |
0 |
0 |
| ODI |
10 |
16 |
6 |
99 |
505 |
778 |
5 |
0 |
| CDI |
0 |
0 |
0 |
51 |
200 |
1110 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
161 |
1973 |
7372 |
4743 |
|
...date precedes bulletin
|
Date: 2022-10-18:
| 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 |
4262 |
6318 |
50 |
200 |
15 |
0 |
0 |
0 |
| OW |
10 |
831 |
65 |
381 |
102 |
0 |
0 |
0 |
| VODI |
0 |
131 |
23 |
530 |
652 |
33 |
0 |
0 |
| ODI |
0 |
7 |
2 |
45 |
719 |
415 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
180 |
2058 |
189 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
1610 |
8684 |
4525 |
|
...date precedes bulletin
|
Date: 2022-10-20:
| 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 |
4223 |
5084 |
46 |
220 |
4 |
0 |
0 |
0 |
| OW |
1 |
935 |
81 |
478 |
165 |
0 |
0 |
0 |
| VODI |
0 |
357 |
31 |
540 |
771 |
60 |
0 |
0 |
| ODI |
0 |
17 |
5 |
231 |
635 |
393 |
0 |
0 |
| CDI |
0 |
2 |
0 |
66 |
508 |
1041 |
26 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
81 |
3041 |
8068 |
4972 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4218 |
5213 |
61 |
324 |
30 |
0 |
0 |
0 |
| OW |
6 |
783 |
55 |
351 |
180 |
0 |
0 |
0 |
| VODI |
0 |
370 |
41 |
566 |
691 |
84 |
0 |
0 |
| ODI |
0 |
29 |
6 |
242 |
696 |
359 |
12 |
0 |
| CDI |
0 |
0 |
0 |
51 |
487 |
1024 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
80 |
3068 |
8000 |
4972 |
|
Date: 2022-10-22:
| 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 |
4139 |
4373 |
49 |
224 |
12 |
0 |
0 |
0 |
| OW |
6 |
935 |
82 |
570 |
211 |
3 |
0 |
0 |
| VODI |
0 |
382 |
36 |
448 |
820 |
141 |
0 |
0 |
| ODI |
0 |
13 |
7 |
296 |
567 |
545 |
37 |
0 |
| CDI |
0 |
0 |
0 |
58 |
478 |
1101 |
158 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
119 |
2642 |
7646 |
5984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4137 |
4578 |
71 |
314 |
57 |
0 |
0 |
0 |
| OW |
8 |
709 |
53 |
456 |
241 |
7 |
0 |
0 |
| VODI |
0 |
389 |
41 |
476 |
795 |
168 |
1 |
0 |
| ODI |
0 |
27 |
9 |
306 |
573 |
505 |
52 |
0 |
| CDI |
0 |
0 |
0 |
44 |
391 |
1079 |
162 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
150 |
2673 |
7626 |
5984 |
|
Date: 2022-10-24:
| 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 |
3714 |
4229 |
63 |
234 |
6 |
0 |
0 |
0 |
| OW |
0 |
641 |
103 |
629 |
87 |
0 |
0 |
0 |
| VODI |
0 |
124 |
29 |
800 |
614 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
58 |
1316 |
234 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
267 |
2133 |
159 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
1695 |
8306 |
6567 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3713 |
4105 |
78 |
414 |
67 |
0 |
0 |
0 |
| OW |
1 |
681 |
69 |
467 |
252 |
24 |
0 |
0 |
| VODI |
0 |
207 |
47 |
710 |
840 |
267 |
5 |
0 |
| ODI |
0 |
1 |
1 |
112 |
706 |
721 |
68 |
0 |
| CDI |
0 |
0 |
0 |
20 |
344 |
1082 |
244 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
138 |
1979 |
8148 |
6567 |
|
Date: 2022-10-26:
| 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 |
3213 |
3067 |
37 |
431 |
216 |
0 |
0 |
0 |
| OW |
0 |
474 |
65 |
622 |
524 |
6 |
0 |
0 |
| VODI |
0 |
27 |
9 |
458 |
1129 |
121 |
0 |
0 |
| ODI |
0 |
0 |
0 |
23 |
845 |
557 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
242 |
1472 |
327 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1343 |
8847 |
7980 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3157 |
3022 |
46 |
560 |
458 |
2 |
0 |
0 |
| OW |
56 |
477 |
46 |
466 |
642 |
71 |
0 |
0 |
| VODI |
0 |
69 |
19 |
461 |
1047 |
450 |
56 |
0 |
| ODI |
0 |
0 |
0 |
40 |
592 |
832 |
238 |
0 |
| CDI |
0 |
0 |
0 |
7 |
189 |
1054 |
613 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
52 |
1090 |
8290 |
7980 |
|
Date: 2022-10-28:
| 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 |
2671 |
2569 |
22 |
103 |
124 |
60 |
0 |
0 |
| OW |
120 |
478 |
37 |
381 |
420 |
308 |
0 |
0 |
| VODI |
0 |
35 |
4 |
198 |
1020 |
712 |
0 |
0 |
| ODI |
0 |
0 |
0 |
6 |
505 |
1042 |
19 |
0 |
| CDI |
0 |
0 |
0 |
0 |
124 |
1364 |
319 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
1051 |
9636 |
8714 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2689 |
2785 |
42 |
342 |
383 |
176 |
0 |
0 |
| OW |
93 |
284 |
18 |
227 |
425 |
442 |
0 |
0 |
| VODI |
9 |
13 |
3 |
117 |
915 |
987 |
84 |
0 |
| ODI |
0 |
0 |
0 |
2 |
398 |
1013 |
365 |
0 |
| CDI |
0 |
0 |
0 |
0 |
86 |
1037 |
738 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
882 |
8787 |
8714 |
|
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