Validation of sea ice concentration - Asian sector
Bulletin date: 2021-10-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-15:
| 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 |
4908 |
7628 |
56 |
303 |
89 |
0 |
0 |
0 |
| OW |
1 |
1281 |
139 |
820 |
515 |
22 |
0 |
0 |
| VODI |
0 |
61 |
37 |
601 |
1022 |
259 |
6 |
0 |
| ODI |
0 |
0 |
0 |
120 |
428 |
306 |
151 |
0 |
| CDI |
0 |
0 |
0 |
6 |
446 |
589 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
1316 |
5811 |
4828 |
|
...date precedes bulletin
|
Date: 2021-10-17:
| 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 |
4611 |
6468 |
79 |
349 |
74 |
0 |
0 |
0 |
| OW |
3 |
917 |
81 |
534 |
577 |
114 |
0 |
0 |
| VODI |
0 |
207 |
51 |
573 |
1193 |
814 |
26 |
0 |
| ODI |
0 |
24 |
9 |
118 |
476 |
783 |
151 |
0 |
| CDI |
0 |
4 |
9 |
43 |
415 |
464 |
409 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
166 |
2607 |
5407 |
4309 |
|
...date precedes bulletin
|
Date: 2021-10-19:
| 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 |
3876 |
5806 |
117 |
598 |
59 |
0 |
0 |
0 |
| OW |
6 |
466 |
81 |
780 |
420 |
2 |
0 |
0 |
| VODI |
0 |
63 |
29 |
458 |
763 |
111 |
0 |
0 |
| ODI |
0 |
5 |
5 |
92 |
783 |
748 |
1 |
0 |
| CDI |
0 |
0 |
0 |
33 |
447 |
1918 |
183 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
317 |
2332 |
6036 |
5546 |
|
...date precedes bulletin
|
Date: 2021-10-21:
| 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 |
3392 |
3456 |
87 |
342 |
113 |
0 |
0 |
0 |
| OW |
0 |
722 |
119 |
1167 |
1040 |
212 |
0 |
0 |
| VODI |
0 |
86 |
21 |
421 |
890 |
649 |
2 |
0 |
| ODI |
0 |
22 |
8 |
131 |
500 |
686 |
20 |
0 |
| CDI |
0 |
7 |
4 |
77 |
359 |
1212 |
374 |
22 |
| VCDI |
0 |
0 |
0 |
19 |
451 |
1984 |
7061 |
6426 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3392 |
3488 |
110 |
551 |
154 |
10 |
0 |
0 |
| OW |
0 |
718 |
96 |
907 |
896 |
158 |
0 |
0 |
| VODI |
0 |
66 |
22 |
508 |
978 |
617 |
2 |
0 |
| ODI |
0 |
15 |
7 |
100 |
516 |
745 |
35 |
0 |
| CDI |
0 |
6 |
4 |
69 |
356 |
1279 |
358 |
29 |
| VCDI |
0 |
0 |
0 |
22 |
453 |
1934 |
7062 |
6419 |
|
Date: 2021-10-23:
| 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 |
2968 |
2633 |
53 |
373 |
53 |
1 |
0 |
0 |
| OW |
0 |
405 |
45 |
570 |
1021 |
411 |
7 |
0 |
| VODI |
0 |
115 |
20 |
310 |
1130 |
1270 |
62 |
0 |
| ODI |
0 |
12 |
6 |
91 |
398 |
1020 |
114 |
0 |
| CDI |
0 |
0 |
1 |
66 |
303 |
922 |
459 |
9 |
| VCDI |
0 |
0 |
0 |
12 |
356 |
1833 |
7345 |
7688 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2968 |
2709 |
63 |
411 |
199 |
31 |
0 |
0 |
| OW |
0 |
333 |
40 |
491 |
842 |
428 |
14 |
0 |
| VODI |
0 |
116 |
15 |
367 |
1192 |
1163 |
43 |
0 |
| ODI |
0 |
7 |
7 |
86 |
389 |
1004 |
106 |
0 |
| CDI |
0 |
0 |
0 |
52 |
264 |
952 |
514 |
6 |
| VCDI |
0 |
0 |
0 |
15 |
375 |
1879 |
7310 |
7691 |
|
Date: 2021-10-25:
| 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 |
2571 |
2155 |
38 |
157 |
4 |
0 |
0 |
0 |
| OW |
0 |
272 |
44 |
387 |
66 |
0 |
0 |
0 |
| VODI |
0 |
34 |
7 |
497 |
515 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
60 |
1633 |
294 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
526 |
3140 |
381 |
48 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
2206 |
6930 |
10049 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2571 |
1932 |
43 |
344 |
155 |
1 |
0 |
0 |
| OW |
0 |
496 |
43 |
448 |
455 |
396 |
0 |
0 |
| VODI |
0 |
33 |
3 |
259 |
964 |
1334 |
205 |
0 |
| ODI |
0 |
0 |
0 |
46 |
769 |
888 |
319 |
0 |
| CDI |
0 |
0 |
0 |
6 |
282 |
1055 |
435 |
63 |
| VCDI |
0 |
0 |
0 |
0 |
179 |
1972 |
6352 |
10034 |
|
Date: 2021-10-27:
| 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 |
1865 |
1991 |
23 |
139 |
50 |
7 |
0 |
0 |
| OW |
0 |
129 |
15 |
242 |
299 |
45 |
0 |
0 |
| VODI |
0 |
14 |
3 |
107 |
516 |
280 |
0 |
0 |
| ODI |
0 |
0 |
0 |
6 |
364 |
752 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
270 |
2326 |
321 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
92 |
2846 |
8008 |
11372 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1865 |
1911 |
14 |
114 |
73 |
62 |
0 |
0 |
| OW |
0 |
212 |
23 |
290 |
351 |
356 |
46 |
0 |
| VODI |
0 |
11 |
4 |
84 |
665 |
1408 |
515 |
0 |
| ODI |
0 |
0 |
0 |
6 |
229 |
1279 |
736 |
0 |
| CDI |
0 |
0 |
0 |
0 |
176 |
1296 |
671 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
97 |
1855 |
6361 |
11349 |
|
Date: 2021-10-29:
| 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 |
1649 |
1761 |
21 |
126 |
4 |
0 |
0 |
0 |
| OW |
0 |
129 |
7 |
123 |
200 |
69 |
0 |
0 |
| VODI |
0 |
43 |
12 |
59 |
292 |
427 |
57 |
0 |
| ODI |
0 |
0 |
0 |
10 |
121 |
624 |
153 |
0 |
| CDI |
0 |
0 |
0 |
0 |
31 |
1213 |
277 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
33 |
3674 |
9757 |
11210 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1649 |
1741 |
17 |
120 |
56 |
77 |
26 |
0 |
| OW |
0 |
117 |
10 |
113 |
225 |
260 |
109 |
0 |
| VODI |
0 |
75 |
13 |
69 |
290 |
1532 |
303 |
0 |
| ODI |
0 |
0 |
0 |
16 |
68 |
1381 |
957 |
0 |
| CDI |
0 |
0 |
0 |
0 |
24 |
1360 |
1146 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1397 |
7703 |
11210 |
|
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