Validation of sea ice concentration - Asian sector
Bulletin date: 2023-10-12
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-06:
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 |
11138 |
6365 |
16 |
4 |
0 |
0 |
0 |
0 |
OW |
0 |
663 |
162 |
323 |
53 |
0 |
0 |
0 |
VODI |
0 |
106 |
108 |
278 |
143 |
47 |
0 |
0 |
ODI |
0 |
12 |
20 |
233 |
155 |
54 |
3 |
0 |
CDI |
0 |
4 |
12 |
165 |
428 |
356 |
56 |
0 |
VCDI |
0 |
0 |
0 |
48 |
288 |
2147 |
5463 |
4246 |
|
...date precedes bulletin
|
Date: 2023-10-08:
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 |
9807 |
6994 |
70 |
69 |
5 |
0 |
0 |
0 |
OW |
24 |
703 |
191 |
477 |
36 |
0 |
0 |
0 |
VODI |
0 |
77 |
99 |
455 |
235 |
42 |
0 |
0 |
ODI |
0 |
5 |
9 |
233 |
150 |
117 |
1 |
0 |
CDI |
0 |
0 |
2 |
139 |
367 |
254 |
70 |
0 |
VCDI |
0 |
0 |
0 |
11 |
238 |
1710 |
5864 |
4642 |
|
...date precedes bulletin
|
Date: 2023-10-10:
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 |
8939 |
7164 |
258 |
208 |
0 |
0 |
0 |
0 |
OW |
71 |
325 |
177 |
730 |
26 |
0 |
0 |
0 |
VODI |
10 |
0 |
1 |
441 |
344 |
0 |
0 |
0 |
ODI |
0 |
0 |
0 |
77 |
407 |
7 |
0 |
0 |
CDI |
0 |
0 |
0 |
21 |
384 |
433 |
92 |
0 |
VCDI |
0 |
0 |
0 |
0 |
63 |
1130 |
5599 |
6189 |
|
...date precedes bulletin
|
Date: 2023-10-12:
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 |
8866 |
6207 |
243 |
448 |
12 |
0 |
0 |
0 |
OW |
46 |
824 |
90 |
499 |
121 |
0 |
0 |
0 |
VODI |
8 |
113 |
37 |
382 |
458 |
3 |
0 |
0 |
ODI |
2 |
0 |
0 |
47 |
396 |
51 |
0 |
0 |
CDI |
0 |
0 |
0 |
16 |
351 |
332 |
0 |
0 |
VCDI |
0 |
0 |
0 |
0 |
90 |
1728 |
5572 |
6154 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
8879 |
6383 |
235 |
472 |
14 |
0 |
0 |
0 |
OW |
32 |
673 |
103 |
539 |
126 |
0 |
0 |
0 |
VODI |
8 |
88 |
32 |
316 |
509 |
6 |
0 |
0 |
ODI |
3 |
0 |
0 |
49 |
380 |
69 |
0 |
0 |
CDI |
0 |
0 |
0 |
16 |
291 |
509 |
32 |
0 |
VCDI |
0 |
0 |
0 |
0 |
108 |
1530 |
5540 |
6154 |
|
Date: 2023-10-14:
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 |
7638 |
6534 |
335 |
374 |
46 |
0 |
0 |
0 |
OW |
92 |
732 |
224 |
487 |
169 |
0 |
0 |
0 |
VODI |
14 |
238 |
84 |
558 |
468 |
41 |
0 |
0 |
ODI |
0 |
10 |
0 |
66 |
334 |
167 |
0 |
0 |
CDI |
0 |
0 |
0 |
34 |
278 |
370 |
14 |
0 |
VCDI |
0 |
0 |
0 |
0 |
155 |
1596 |
5203 |
6835 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
7652 |
6716 |
360 |
465 |
36 |
0 |
0 |
0 |
OW |
78 |
623 |
212 |
523 |
179 |
0 |
0 |
0 |
VODI |
14 |
164 |
70 |
394 |
528 |
62 |
0 |
0 |
ODI |
0 |
11 |
1 |
94 |
298 |
197 |
0 |
0 |
CDI |
0 |
0 |
0 |
40 |
239 |
426 |
20 |
0 |
VCDI |
0 |
0 |
0 |
3 |
170 |
1489 |
5197 |
6835 |
|
Date: 2023-10-16:
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 |
4695 |
8127 |
518 |
369 |
30 |
0 |
0 |
0 |
OW |
19 |
479 |
173 |
600 |
63 |
0 |
0 |
0 |
VODI |
2 |
51 |
65 |
728 |
435 |
4 |
0 |
0 |
ODI |
0 |
0 |
0 |
125 |
778 |
59 |
0 |
0 |
CDI |
0 |
0 |
0 |
8 |
651 |
948 |
0 |
0 |
VCDI |
0 |
0 |
0 |
0 |
131 |
1376 |
4938 |
7724 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
4669 |
8074 |
512 |
665 |
110 |
0 |
0 |
0 |
OW |
45 |
482 |
163 |
453 |
282 |
19 |
0 |
0 |
VODI |
2 |
90 |
81 |
541 |
830 |
127 |
0 |
0 |
ODI |
0 |
11 |
0 |
131 |
401 |
420 |
6 |
0 |
CDI |
0 |
0 |
0 |
40 |
217 |
572 |
74 |
0 |
VCDI |
0 |
0 |
0 |
0 |
248 |
1249 |
4858 |
7724 |
|
Date: 2023-10-18:
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 |
3906 |
5966 |
477 |
1178 |
194 |
2 |
0 |
0 |
OW |
27 |
664 |
235 |
791 |
344 |
68 |
0 |
0 |
VODI |
8 |
98 |
42 |
368 |
690 |
63 |
0 |
0 |
ODI |
2 |
30 |
3 |
150 |
639 |
326 |
0 |
0 |
CDI |
0 |
0 |
0 |
20 |
246 |
838 |
319 |
0 |
VCDI |
0 |
0 |
0 |
0 |
150 |
1200 |
4663 |
9389 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
3889 |
6256 |
538 |
1300 |
462 |
29 |
1 |
0 |
OW |
30 |
384 |
140 |
564 |
486 |
146 |
6 |
0 |
VODI |
22 |
95 |
74 |
406 |
521 |
270 |
24 |
0 |
ODI |
2 |
20 |
4 |
148 |
343 |
636 |
164 |
0 |
CDI |
0 |
3 |
1 |
77 |
235 |
539 |
561 |
0 |
VCDI |
0 |
0 |
0 |
12 |
216 |
877 |
4226 |
9389 |
|
Date: 2023-10-20:
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 |
3797 |
3883 |
330 |
661 |
496 |
0 |
0 |
0 |
OW |
10 |
442 |
188 |
925 |
999 |
187 |
0 |
0 |
VODI |
15 |
70 |
61 |
671 |
1092 |
341 |
0 |
0 |
ODI |
1 |
19 |
8 |
146 |
529 |
447 |
0 |
0 |
CDI |
0 |
6 |
3 |
64 |
440 |
955 |
73 |
0 |
VCDI |
0 |
0 |
0 |
3 |
319 |
1811 |
6525 |
7579 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
3768 |
3975 |
340 |
1025 |
1024 |
70 |
0 |
0 |
OW |
33 |
335 |
130 |
646 |
1077 |
277 |
0 |
0 |
VODI |
20 |
88 |
85 |
419 |
711 |
590 |
0 |
0 |
ODI |
2 |
20 |
29 |
180 |
352 |
646 |
38 |
0 |
CDI |
0 |
2 |
6 |
153 |
289 |
809 |
542 |
0 |
VCDI |
0 |
0 |
0 |
47 |
422 |
1349 |
6018 |
7579 |
|
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