Validation of sea ice concentration - Asian sector
Bulletin date: 2020-10-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-10-23:
| 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 |
13069 |
8261 |
65 |
176 |
23 |
0 |
0 |
0 |
| OW |
5 |
852 |
59 |
327 |
142 |
18 |
0 |
0 |
| VODI |
0 |
92 |
20 |
257 |
347 |
104 |
0 |
0 |
| ODI |
0 |
14 |
3 |
30 |
298 |
208 |
35 |
0 |
| CDI |
0 |
0 |
0 |
0 |
82 |
510 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
680 |
3388 |
2906 |
|
...date precedes bulletin
|
Date: 2020-10-25:
| 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 |
10609 |
8733 |
61 |
329 |
92 |
1 |
0 |
0 |
| OW |
58 |
1772 |
77 |
376 |
214 |
64 |
0 |
0 |
| VODI |
0 |
198 |
27 |
321 |
306 |
156 |
11 |
0 |
| ODI |
0 |
13 |
3 |
77 |
235 |
218 |
100 |
0 |
| CDI |
0 |
1 |
4 |
7 |
51 |
382 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
123 |
3315 |
3891 |
|
...date precedes bulletin
|
Date: 2020-10-27:
| 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 |
9746 |
10239 |
124 |
448 |
18 |
0 |
0 |
0 |
| OW |
1 |
569 |
62 |
475 |
176 |
1 |
0 |
0 |
| VODI |
0 |
72 |
9 |
292 |
424 |
31 |
0 |
0 |
| ODI |
0 |
4 |
0 |
44 |
365 |
172 |
1 |
0 |
| CDI |
0 |
0 |
1 |
5 |
113 |
559 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
307 |
3714 |
4057 |
|
...date precedes bulletin
|
Date: 2020-10-29:
| 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 |
7681 |
10112 |
107 |
469 |
140 |
0 |
0 |
0 |
| OW |
0 |
931 |
91 |
781 |
379 |
4 |
0 |
0 |
| VODI |
0 |
119 |
29 |
450 |
673 |
161 |
0 |
0 |
| ODI |
0 |
13 |
6 |
74 |
400 |
230 |
0 |
0 |
| CDI |
0 |
2 |
0 |
6 |
260 |
342 |
76 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
825 |
3658 |
4049 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7662 |
9938 |
124 |
631 |
174 |
0 |
0 |
0 |
| OW |
19 |
1005 |
72 |
573 |
418 |
0 |
0 |
0 |
| VODI |
0 |
199 |
29 |
478 |
597 |
128 |
0 |
0 |
| ODI |
0 |
30 |
7 |
87 |
402 |
267 |
0 |
0 |
| CDI |
0 |
4 |
1 |
8 |
250 |
341 |
54 |
0 |
| VCDI |
0 |
1 |
0 |
3 |
25 |
826 |
3680 |
4049 |
|
Date: 2020-10-31:
| 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 |
5194 |
10189 |
102 |
748 |
489 |
1 |
0 |
0 |
| OW |
0 |
865 |
79 |
884 |
828 |
150 |
0 |
0 |
| VODI |
0 |
255 |
39 |
459 |
1028 |
245 |
0 |
0 |
| ODI |
0 |
10 |
10 |
218 |
360 |
423 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
258 |
483 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
103 |
1105 |
3788 |
3726 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5175 |
10153 |
118 |
813 |
535 |
66 |
0 |
0 |
| OW |
19 |
708 |
53 |
668 |
678 |
86 |
0 |
0 |
| VODI |
0 |
430 |
45 |
579 |
1062 |
206 |
0 |
0 |
| ODI |
0 |
28 |
14 |
247 |
461 |
434 |
0 |
0 |
| CDI |
0 |
0 |
0 |
37 |
220 |
550 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
110 |
1065 |
3779 |
3726 |
|
Date: 2020-11-02:
| 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 |
3248 |
9433 |
170 |
719 |
44 |
0 |
0 |
0 |
| OW |
0 |
473 |
83 |
1035 |
297 |
4 |
0 |
0 |
| VODI |
0 |
33 |
15 |
796 |
1247 |
80 |
0 |
0 |
| ODI |
0 |
0 |
0 |
103 |
1793 |
755 |
7 |
0 |
| CDI |
0 |
0 |
0 |
1 |
490 |
1662 |
292 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
363 |
4175 |
4727 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3245 |
9113 |
192 |
1283 |
841 |
65 |
0 |
0 |
| OW |
3 |
731 |
58 |
680 |
892 |
298 |
22 |
0 |
| VODI |
0 |
95 |
18 |
620 |
1393 |
631 |
45 |
0 |
| ODI |
0 |
0 |
0 |
65 |
545 |
812 |
115 |
0 |
| CDI |
0 |
0 |
0 |
6 |
225 |
660 |
378 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
398 |
3914 |
4727 |
|
Date: 2020-11-04:
| 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 |
2576 |
7152 |
172 |
1170 |
665 |
40 |
0 |
0 |
| OW |
0 |
336 |
34 |
714 |
1175 |
175 |
0 |
0 |
| VODI |
0 |
35 |
13 |
233 |
1078 |
578 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
757 |
1453 |
125 |
0 |
| CDI |
0 |
0 |
0 |
0 |
349 |
2044 |
594 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
644 |
4445 |
5502 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2566 |
6832 |
157 |
993 |
1071 |
209 |
1 |
0 |
| OW |
10 |
646 |
56 |
852 |
1255 |
847 |
52 |
0 |
| VODI |
0 |
45 |
6 |
271 |
1209 |
1476 |
223 |
0 |
| ODI |
0 |
0 |
0 |
5 |
355 |
1168 |
407 |
0 |
| CDI |
0 |
0 |
0 |
0 |
122 |
866 |
565 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
368 |
3916 |
5502 |
|
Date: 2020-11-06:
| 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 |
2933 |
4685 |
81 |
666 |
843 |
58 |
0 |
0 |
| OW |
0 |
814 |
69 |
626 |
984 |
685 |
0 |
0 |
| VODI |
0 |
260 |
37 |
263 |
880 |
1132 |
63 |
0 |
| ODI |
0 |
6 |
3 |
107 |
408 |
1082 |
225 |
0 |
| CDI |
0 |
0 |
0 |
18 |
369 |
1758 |
641 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
2120 |
6872 |
3325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2904 |
4841 |
91 |
625 |
850 |
469 |
23 |
0 |
| OW |
29 |
882 |
84 |
661 |
869 |
1034 |
148 |
0 |
| VODI |
0 |
42 |
15 |
368 |
1474 |
1761 |
536 |
0 |
| ODI |
0 |
0 |
0 |
26 |
235 |
1397 |
635 |
0 |
| CDI |
0 |
0 |
0 |
0 |
109 |
777 |
798 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
1397 |
5661 |
3325 |
|
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