Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-24:
| 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 |
87527 |
16231 |
361 |
495 |
430 |
194 |
41 |
0 |
| OW |
70 |
1142 |
208 |
403 |
126 |
43 |
10 |
0 |
| VODI |
11 |
492 |
202 |
452 |
485 |
137 |
11 |
0 |
| ODI |
0 |
177 |
90 |
242 |
517 |
383 |
30 |
0 |
| CDI |
0 |
106 |
66 |
221 |
433 |
813 |
112 |
0 |
| VCDI |
0 |
87 |
76 |
354 |
816 |
6929 |
29787 |
36738 |
|
...date precedes bulletin
|
Date: 2023-11-26:
| 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 |
86018 |
16718 |
354 |
580 |
314 |
230 |
26 |
0 |
| OW |
82 |
1324 |
242 |
471 |
154 |
51 |
5 |
0 |
| VODI |
8 |
555 |
215 |
435 |
550 |
154 |
3 |
0 |
| ODI |
8 |
216 |
83 |
261 |
484 |
429 |
5 |
0 |
| CDI |
0 |
147 |
78 |
242 |
450 |
921 |
161 |
0 |
| VCDI |
0 |
153 |
101 |
435 |
828 |
6521 |
26772 |
40264 |
|
...date precedes bulletin
|
Date: 2023-11-28:
| 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 |
86221 |
16289 |
504 |
761 |
399 |
291 |
10 |
0 |
| OW |
58 |
889 |
287 |
444 |
261 |
61 |
12 |
0 |
| VODI |
13 |
293 |
206 |
556 |
610 |
185 |
10 |
0 |
| ODI |
0 |
72 |
67 |
268 |
671 |
555 |
37 |
0 |
| CDI |
0 |
36 |
48 |
212 |
687 |
1512 |
200 |
10 |
| VCDI |
0 |
102 |
61 |
174 |
809 |
7847 |
28734 |
36586 |
|
...date precedes bulletin
|
Date: 2023-11-30:
| 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 |
85108 |
15867 |
503 |
872 |
600 |
273 |
42 |
0 |
| OW |
100 |
1354 |
303 |
407 |
148 |
50 |
14 |
0 |
| VODI |
2 |
455 |
251 |
640 |
474 |
188 |
51 |
0 |
| ODI |
0 |
110 |
93 |
368 |
691 |
548 |
53 |
0 |
| CDI |
0 |
22 |
37 |
256 |
737 |
1487 |
203 |
0 |
| VCDI |
0 |
40 |
34 |
155 |
586 |
6137 |
35877 |
31912 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85105 |
16054 |
512 |
775 |
614 |
288 |
43 |
0 |
| OW |
100 |
1151 |
307 |
537 |
146 |
40 |
19 |
0 |
| VODI |
5 |
489 |
227 |
590 |
459 |
187 |
32 |
0 |
| ODI |
0 |
92 |
102 |
367 |
709 |
562 |
55 |
0 |
| CDI |
0 |
22 |
38 |
272 |
722 |
1441 |
194 |
0 |
| VCDI |
0 |
40 |
35 |
157 |
586 |
6165 |
35897 |
31912 |
|
Date: 2023-12-02:
| 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 |
83235 |
15181 |
681 |
1164 |
550 |
451 |
20 |
0 |
| OW |
130 |
1760 |
325 |
847 |
286 |
92 |
13 |
0 |
| VODI |
11 |
479 |
240 |
668 |
488 |
333 |
31 |
0 |
| ODI |
0 |
147 |
97 |
325 |
657 |
733 |
57 |
0 |
| CDI |
0 |
34 |
53 |
175 |
435 |
1502 |
373 |
4 |
| VCDI |
0 |
30 |
15 |
109 |
563 |
5262 |
31466 |
38026 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83186 |
15484 |
689 |
1117 |
582 |
472 |
22 |
0 |
| OW |
170 |
1409 |
299 |
884 |
249 |
100 |
19 |
0 |
| VODI |
20 |
509 |
233 |
636 |
508 |
303 |
12 |
0 |
| ODI |
0 |
159 |
115 |
339 |
617 |
736 |
56 |
0 |
| CDI |
0 |
39 |
56 |
198 |
463 |
1437 |
335 |
4 |
| VCDI |
0 |
31 |
19 |
114 |
560 |
5325 |
31516 |
38026 |
|
Date: 2023-12-04:
| 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 |
82552 |
15331 |
550 |
903 |
511 |
393 |
41 |
0 |
| OW |
235 |
1585 |
344 |
840 |
240 |
45 |
9 |
0 |
| VODI |
55 |
482 |
209 |
796 |
674 |
172 |
34 |
0 |
| ODI |
2 |
159 |
73 |
321 |
752 |
587 |
54 |
0 |
| CDI |
0 |
98 |
64 |
195 |
597 |
1178 |
481 |
13 |
| VCDI |
0 |
11 |
13 |
96 |
534 |
5299 |
31473 |
39047 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82578 |
14677 |
501 |
828 |
499 |
405 |
42 |
0 |
| OW |
209 |
1998 |
323 |
782 |
244 |
47 |
10 |
0 |
| VODI |
52 |
692 |
282 |
885 |
660 |
160 |
29 |
0 |
| ODI |
5 |
176 |
58 |
340 |
737 |
652 |
45 |
0 |
| CDI |
0 |
107 |
68 |
203 |
607 |
1099 |
442 |
8 |
| VCDI |
0 |
16 |
21 |
113 |
561 |
5311 |
31524 |
39052 |
|
Date: 2023-12-06:
| 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 |
81359 |
15354 |
624 |
962 |
551 |
335 |
93 |
0 |
| OW |
188 |
1713 |
263 |
642 |
256 |
130 |
9 |
0 |
| VODI |
41 |
665 |
206 |
675 |
743 |
319 |
31 |
0 |
| ODI |
7 |
164 |
63 |
396 |
661 |
617 |
79 |
0 |
| CDI |
0 |
101 |
70 |
190 |
571 |
1183 |
373 |
0 |
| VCDI |
0 |
47 |
49 |
159 |
567 |
4475 |
30370 |
41747 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81352 |
14590 |
527 |
845 |
525 |
333 |
90 |
0 |
| OW |
156 |
1922 |
295 |
637 |
238 |
133 |
15 |
0 |
| VODI |
72 |
1136 |
243 |
756 |
679 |
356 |
31 |
0 |
| ODI |
15 |
211 |
90 |
422 |
629 |
515 |
87 |
0 |
| CDI |
0 |
138 |
56 |
180 |
654 |
1183 |
311 |
0 |
| VCDI |
0 |
47 |
64 |
184 |
624 |
4539 |
30421 |
41747 |
|
Date: 2023-12-08:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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