Validation of sea ice concentration - Asian sector
Bulletin date: 2021-09-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-09-24:
| 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 |
12017 |
7538 |
58 |
230 |
18 |
0 |
0 |
0 |
| OW |
0 |
553 |
78 |
340 |
103 |
0 |
0 |
0 |
| VODI |
0 |
102 |
23 |
398 |
317 |
8 |
0 |
0 |
| ODI |
0 |
23 |
4 |
75 |
453 |
71 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
286 |
687 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
2334 |
5502 |
817 |
|
...date precedes bulletin
|
Date: 2021-09-26:
| 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 |
11696 |
7475 |
50 |
267 |
31 |
0 |
0 |
0 |
| OW |
0 |
575 |
76 |
308 |
160 |
6 |
0 |
0 |
| VODI |
0 |
139 |
20 |
317 |
336 |
53 |
0 |
0 |
| ODI |
0 |
51 |
6 |
101 |
326 |
133 |
14 |
0 |
| CDI |
0 |
1 |
1 |
29 |
210 |
539 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1504 |
5672 |
1859 |
|
...date precedes bulletin
|
Date: 2021-09-28:
| 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 |
10645 |
8786 |
76 |
274 |
6 |
0 |
0 |
0 |
| OW |
0 |
351 |
50 |
389 |
62 |
0 |
0 |
0 |
| VODI |
0 |
120 |
32 |
317 |
268 |
3 |
0 |
0 |
| ODI |
0 |
19 |
1 |
120 |
402 |
71 |
0 |
0 |
| CDI |
0 |
2 |
1 |
18 |
323 |
493 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1818 |
5268 |
2151 |
|
...date precedes bulletin
|
Date: 2021-09-30:
| 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 |
11274 |
7753 |
59 |
240 |
31 |
0 |
0 |
0 |
| OW |
0 |
605 |
44 |
316 |
96 |
0 |
0 |
0 |
| VODI |
0 |
194 |
31 |
331 |
248 |
7 |
0 |
0 |
| ODI |
0 |
38 |
15 |
150 |
310 |
92 |
0 |
0 |
| CDI |
0 |
0 |
5 |
75 |
300 |
384 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
113 |
1865 |
4993 |
2507 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11250 |
7922 |
70 |
286 |
28 |
0 |
0 |
0 |
| OW |
24 |
456 |
30 |
276 |
96 |
0 |
0 |
0 |
| VODI |
0 |
166 |
38 |
309 |
257 |
8 |
0 |
0 |
| ODI |
0 |
44 |
8 |
172 |
300 |
94 |
0 |
0 |
| CDI |
0 |
2 |
8 |
61 |
311 |
415 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
106 |
1831 |
4983 |
2507 |
|
Date: 2021-10-02:
| 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 |
10865 |
7074 |
41 |
145 |
20 |
0 |
0 |
0 |
| OW |
25 |
1036 |
46 |
428 |
260 |
83 |
0 |
0 |
| VODI |
0 |
230 |
38 |
357 |
278 |
77 |
0 |
0 |
| ODI |
0 |
32 |
20 |
118 |
354 |
163 |
0 |
0 |
| CDI |
0 |
0 |
2 |
67 |
272 |
434 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
105 |
1141 |
4852 |
3421 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10717 |
7456 |
53 |
271 |
61 |
12 |
0 |
0 |
| OW |
173 |
672 |
39 |
322 |
245 |
71 |
0 |
0 |
| VODI |
0 |
212 |
37 |
339 |
294 |
70 |
0 |
0 |
| ODI |
0 |
31 |
6 |
126 |
335 |
161 |
0 |
0 |
| CDI |
0 |
1 |
12 |
49 |
261 |
496 |
108 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
93 |
1088 |
4842 |
3421 |
|
Date: 2021-10-04:
| 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 |
9944 |
8664 |
59 |
222 |
12 |
0 |
0 |
0 |
| OW |
4 |
365 |
67 |
361 |
86 |
0 |
0 |
0 |
| VODI |
0 |
50 |
24 |
591 |
390 |
7 |
0 |
0 |
| ODI |
0 |
0 |
1 |
82 |
634 |
90 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
279 |
709 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
794 |
4976 |
3637 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9755 |
8061 |
56 |
265 |
141 |
16 |
0 |
0 |
| OW |
193 |
693 |
47 |
359 |
207 |
16 |
0 |
0 |
| VODI |
0 |
301 |
33 |
386 |
322 |
39 |
0 |
0 |
| ODI |
0 |
24 |
15 |
181 |
359 |
109 |
0 |
0 |
| CDI |
0 |
0 |
0 |
71 |
313 |
479 |
69 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
66 |
941 |
4927 |
3637 |
|
Date: 2021-10-06:
| 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 |
9948 |
7782 |
71 |
236 |
37 |
0 |
0 |
0 |
| OW |
26 |
428 |
62 |
509 |
276 |
21 |
0 |
0 |
| VODI |
0 |
94 |
26 |
277 |
601 |
76 |
0 |
0 |
| ODI |
0 |
0 |
1 |
100 |
407 |
259 |
17 |
0 |
| CDI |
0 |
0 |
0 |
4 |
292 |
606 |
78 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
920 |
5109 |
3796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9721 |
7104 |
40 |
196 |
131 |
47 |
0 |
0 |
| OW |
253 |
736 |
41 |
250 |
299 |
65 |
3 |
0 |
| VODI |
0 |
422 |
59 |
403 |
349 |
85 |
13 |
0 |
| ODI |
0 |
42 |
19 |
234 |
469 |
214 |
10 |
0 |
| CDI |
0 |
0 |
1 |
43 |
317 |
426 |
75 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
1045 |
5103 |
3796 |
|
Date: 2021-10-08:
| 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 |
7429 |
9023 |
72 |
388 |
24 |
2 |
0 |
0 |
| OW |
3 |
883 |
110 |
598 |
283 |
19 |
0 |
0 |
| VODI |
0 |
91 |
28 |
312 |
529 |
229 |
0 |
0 |
| ODI |
0 |
0 |
2 |
104 |
356 |
357 |
69 |
0 |
| CDI |
0 |
0 |
0 |
22 |
298 |
445 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
73 |
1818 |
5653 |
2738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7353 |
8509 |
46 |
216 |
74 |
69 |
1 |
0 |
| OW |
72 |
921 |
83 |
515 |
275 |
130 |
57 |
0 |
| VODI |
7 |
431 |
51 |
353 |
256 |
64 |
29 |
0 |
| ODI |
0 |
129 |
26 |
230 |
472 |
297 |
34 |
0 |
| CDI |
0 |
7 |
6 |
96 |
303 |
529 |
92 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
183 |
1781 |
5633 |
2738 |
|
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