Validation of sea ice concentration - Full domain
Bulletin date: 2022-11-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-18:
| 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 |
76691 |
23585 |
6492 |
638 |
149 |
42 |
1 |
0 |
| OW |
55 |
458 |
501 |
487 |
251 |
44 |
1 |
0 |
| VODI |
2 |
242 |
274 |
562 |
482 |
88 |
1 |
0 |
| ODI |
0 |
81 |
137 |
405 |
606 |
194 |
3 |
0 |
| CDI |
0 |
31 |
75 |
296 |
711 |
649 |
83 |
0 |
| VCDI |
0 |
11 |
28 |
266 |
1784 |
10667 |
31912 |
28063 |
|
...date precedes bulletin
|
Date: 2022-11-20:
| 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 |
83630 |
18883 |
2885 |
623 |
214 |
48 |
3 |
0 |
| OW |
85 |
508 |
470 |
515 |
440 |
77 |
17 |
0 |
| VODI |
5 |
207 |
239 |
512 |
574 |
348 |
3 |
0 |
| ODI |
0 |
63 |
84 |
276 |
528 |
440 |
3 |
0 |
| CDI |
0 |
23 |
43 |
211 |
714 |
908 |
72 |
18 |
| VCDI |
0 |
5 |
34 |
168 |
1399 |
11275 |
30290 |
30208 |
|
...date precedes bulletin
|
Date: 2022-11-22:
| 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 |
81296 |
19648 |
3553 |
765 |
143 |
28 |
27 |
0 |
| OW |
85 |
588 |
449 |
513 |
276 |
16 |
0 |
0 |
| VODI |
13 |
157 |
213 |
537 |
713 |
139 |
1 |
0 |
| ODI |
0 |
52 |
54 |
215 |
756 |
510 |
40 |
0 |
| CDI |
0 |
24 |
34 |
112 |
700 |
1327 |
115 |
2 |
| VCDI |
0 |
7 |
60 |
169 |
976 |
10475 |
22137 |
40123 |
|
...date precedes bulletin
|
Date: 2022-11-24:
| 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 |
78807 |
20265 |
4101 |
836 |
313 |
54 |
25 |
0 |
| OW |
53 |
783 |
533 |
512 |
266 |
44 |
0 |
0 |
| VODI |
10 |
223 |
194 |
594 |
660 |
129 |
0 |
0 |
| ODI |
0 |
45 |
34 |
259 |
718 |
320 |
20 |
0 |
| CDI |
0 |
18 |
23 |
93 |
653 |
1007 |
248 |
0 |
| VCDI |
0 |
11 |
28 |
120 |
653 |
8359 |
27282 |
38755 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78808 |
20390 |
4252 |
941 |
318 |
57 |
25 |
0 |
| OW |
41 |
659 |
379 |
492 |
323 |
40 |
0 |
0 |
| VODI |
21 |
221 |
201 |
507 |
637 |
125 |
1 |
0 |
| ODI |
0 |
42 |
31 |
258 |
673 |
329 |
10 |
0 |
| CDI |
0 |
22 |
24 |
90 |
672 |
951 |
237 |
0 |
| VCDI |
0 |
11 |
26 |
126 |
640 |
8411 |
27302 |
38755 |
|
Date: 2022-11-26:
| 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 |
76996 |
21667 |
3429 |
747 |
315 |
63 |
39 |
0 |
| OW |
71 |
1026 |
591 |
580 |
335 |
79 |
13 |
0 |
| VODI |
33 |
320 |
267 |
431 |
489 |
249 |
11 |
0 |
| ODI |
0 |
76 |
73 |
278 |
490 |
455 |
40 |
0 |
| CDI |
0 |
37 |
17 |
141 |
544 |
934 |
313 |
5 |
| VCDI |
0 |
24 |
40 |
110 |
674 |
6641 |
32546 |
35859 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76987 |
21894 |
3619 |
852 |
364 |
65 |
39 |
0 |
| OW |
68 |
725 |
433 |
536 |
309 |
100 |
12 |
0 |
| VODI |
45 |
375 |
216 |
406 |
491 |
276 |
15 |
0 |
| ODI |
0 |
90 |
89 |
248 |
455 |
422 |
39 |
0 |
| CDI |
0 |
44 |
21 |
133 |
483 |
891 |
277 |
5 |
| VCDI |
0 |
22 |
39 |
112 |
745 |
6667 |
32580 |
35859 |
|
Date: 2022-11-28:
| 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 |
77813 |
20963 |
3200 |
572 |
255 |
106 |
83 |
0 |
| OW |
84 |
497 |
683 |
510 |
274 |
107 |
5 |
0 |
| VODI |
5 |
210 |
241 |
728 |
634 |
189 |
5 |
0 |
| ODI |
0 |
48 |
49 |
253 |
661 |
621 |
47 |
0 |
| CDI |
0 |
15 |
15 |
70 |
368 |
1367 |
288 |
4 |
| VCDI |
0 |
0 |
10 |
77 |
419 |
6605 |
33260 |
35707 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77827 |
20511 |
3178 |
699 |
359 |
149 |
88 |
0 |
| OW |
67 |
687 |
572 |
481 |
396 |
120 |
0 |
0 |
| VODI |
8 |
415 |
295 |
463 |
495 |
368 |
12 |
0 |
| ODI |
0 |
87 |
91 |
271 |
353 |
502 |
73 |
0 |
| CDI |
0 |
28 |
33 |
148 |
397 |
814 |
284 |
12 |
| VCDI |
0 |
5 |
29 |
148 |
611 |
7042 |
33231 |
35699 |
|
Date: 2022-11-30:
| 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 |
78513 |
18131 |
4095 |
841 |
275 |
113 |
63 |
0 |
| OW |
52 |
865 |
632 |
630 |
247 |
99 |
15 |
0 |
| VODI |
1 |
307 |
386 |
629 |
498 |
269 |
49 |
0 |
| ODI |
0 |
86 |
102 |
349 |
457 |
443 |
30 |
0 |
| CDI |
0 |
39 |
45 |
182 |
512 |
1094 |
255 |
8 |
| VCDI |
0 |
10 |
51 |
146 |
850 |
8838 |
31627 |
35214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78501 |
17798 |
3875 |
978 |
360 |
156 |
66 |
0 |
| OW |
46 |
805 |
733 |
553 |
217 |
113 |
44 |
0 |
| VODI |
15 |
530 |
434 |
559 |
500 |
318 |
25 |
0 |
| ODI |
4 |
187 |
136 |
323 |
396 |
471 |
37 |
0 |
| CDI |
0 |
79 |
45 |
160 |
435 |
885 |
233 |
0 |
| VCDI |
0 |
39 |
88 |
204 |
931 |
8913 |
31634 |
35222 |
|
Date: 2022-12-02:
| 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 |
66588 |
28796 |
5170 |
560 |
303 |
79 |
72 |
0 |
| OW |
39 |
1090 |
609 |
478 |
278 |
63 |
8 |
0 |
| VODI |
12 |
445 |
551 |
578 |
452 |
284 |
25 |
0 |
| ODI |
0 |
165 |
231 |
348 |
386 |
428 |
53 |
0 |
| CDI |
0 |
44 |
120 |
279 |
485 |
877 |
250 |
8 |
| VCDI |
0 |
29 |
95 |
285 |
1102 |
8100 |
33879 |
33404 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66573 |
27864 |
4932 |
562 |
397 |
110 |
78 |
0 |
| OW |
50 |
1287 |
567 |
369 |
260 |
103 |
3 |
0 |
| VODI |
9 |
824 |
561 |
499 |
417 |
475 |
25 |
0 |
| ODI |
7 |
378 |
303 |
316 |
268 |
375 |
116 |
0 |
| CDI |
0 |
157 |
235 |
343 |
390 |
600 |
241 |
0 |
| VCDI |
0 |
59 |
178 |
439 |
1274 |
8168 |
33824 |
33412 |
|
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