Validation of sea ice concentration - Full domain
Bulletin date: 2024-11-28
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-22:
| 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 |
86385 |
10238 |
231 |
230 |
89 |
16 |
0 |
0 |
| OW |
1093 |
1090 |
310 |
564 |
310 |
62 |
0 |
0 |
| VODI |
3345 |
370 |
234 |
611 |
530 |
176 |
22 |
0 |
| ODI |
0 |
125 |
95 |
319 |
701 |
616 |
35 |
0 |
| CDI |
0 |
36 |
26 |
162 |
891 |
2041 |
621 |
15 |
| VCDI |
0 |
12 |
2 |
60 |
583 |
7018 |
34838 |
26708 |
|
...date precedes bulletin
|
Date: 2024-11-24:
| 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 |
85419 |
10378 |
173 |
179 |
50 |
0 |
0 |
0 |
| OW |
1094 |
1294 |
285 |
481 |
409 |
88 |
1 |
0 |
| VODI |
3355 |
498 |
198 |
512 |
558 |
274 |
40 |
0 |
| ODI |
0 |
170 |
106 |
281 |
600 |
653 |
38 |
0 |
| CDI |
0 |
35 |
41 |
192 |
691 |
1930 |
311 |
0 |
| VCDI |
0 |
3 |
5 |
27 |
242 |
5421 |
27756 |
37022 |
|
...date precedes bulletin
|
Date: 2024-11-26:
| 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 |
81997 |
12758 |
216 |
207 |
20 |
0 |
0 |
0 |
| OW |
1019 |
1077 |
283 |
445 |
203 |
23 |
0 |
0 |
| VODI |
3357 |
283 |
211 |
759 |
884 |
147 |
16 |
0 |
| ODI |
0 |
42 |
46 |
245 |
1047 |
530 |
34 |
0 |
| CDI |
0 |
16 |
19 |
108 |
660 |
2686 |
411 |
2 |
| VCDI |
0 |
14 |
6 |
32 |
247 |
5177 |
27972 |
37611 |
|
...date precedes bulletin
|
Date: 2024-11-28:
| 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 |
81845 |
10800 |
659 |
161 |
5 |
0 |
0 |
0 |
| OW |
1187 |
1530 |
285 |
457 |
191 |
25 |
0 |
0 |
| VODI |
3227 |
471 |
218 |
616 |
785 |
133 |
7 |
0 |
| ODI |
146 |
60 |
68 |
295 |
916 |
704 |
73 |
1 |
| CDI |
0 |
20 |
15 |
189 |
781 |
2609 |
699 |
19 |
| VCDI |
0 |
17 |
8 |
44 |
306 |
4839 |
28700 |
37699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81832 |
10913 |
673 |
186 |
16 |
0 |
0 |
0 |
| OW |
1200 |
1442 |
269 |
423 |
170 |
28 |
0 |
0 |
| VODI |
3204 |
430 |
224 |
623 |
745 |
139 |
11 |
0 |
| ODI |
169 |
71 |
56 |
296 |
887 |
653 |
70 |
1 |
| CDI |
0 |
24 |
21 |
184 |
845 |
2615 |
784 |
23 |
| VCDI |
0 |
18 |
10 |
50 |
321 |
4875 |
28614 |
37695 |
|
Date: 2024-11-30:
| 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 |
81267 |
10578 |
563 |
190 |
21 |
0 |
0 |
0 |
| OW |
1128 |
1761 |
206 |
310 |
197 |
41 |
3 |
0 |
| VODI |
2890 |
637 |
303 |
498 |
563 |
177 |
55 |
0 |
| ODI |
498 |
84 |
106 |
339 |
555 |
648 |
127 |
0 |
| CDI |
0 |
23 |
27 |
222 |
833 |
2149 |
400 |
0 |
| VCDI |
0 |
10 |
11 |
29 |
333 |
5913 |
29779 |
37336 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81253 |
10765 |
574 |
212 |
45 |
7 |
0 |
0 |
| OW |
1140 |
1627 |
201 |
289 |
186 |
29 |
2 |
0 |
| VODI |
2892 |
582 |
297 |
481 |
533 |
131 |
53 |
0 |
| ODI |
498 |
89 |
105 |
358 |
558 |
650 |
132 |
0 |
| CDI |
0 |
20 |
28 |
217 |
834 |
2155 |
400 |
0 |
| VCDI |
0 |
10 |
11 |
31 |
346 |
5956 |
29777 |
37336 |
|
Date: 2024-12-02:
| 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 |
79652 |
11652 |
315 |
258 |
15 |
0 |
0 |
0 |
| OW |
1000 |
1685 |
265 |
402 |
137 |
3 |
0 |
0 |
| VODI |
2769 |
364 |
326 |
802 |
537 |
88 |
5 |
0 |
| ODI |
629 |
31 |
39 |
315 |
1116 |
519 |
49 |
0 |
| CDI |
0 |
8 |
7 |
98 |
763 |
3644 |
455 |
3 |
| VCDI |
0 |
0 |
1 |
14 |
224 |
5163 |
24134 |
43323 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79599 |
11257 |
354 |
350 |
79 |
18 |
0 |
0 |
| OW |
1050 |
1699 |
247 |
423 |
327 |
45 |
1 |
0 |
| VODI |
2753 |
609 |
213 |
511 |
523 |
171 |
65 |
0 |
| ODI |
648 |
122 |
97 |
368 |
582 |
665 |
96 |
0 |
| CDI |
0 |
52 |
37 |
205 |
830 |
2374 |
369 |
3 |
| VCDI |
0 |
1 |
5 |
32 |
451 |
6144 |
24112 |
43323 |
|
Date: 2024-12-04:
| 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 |
77790 |
11708 |
164 |
177 |
118 |
0 |
0 |
0 |
| OW |
965 |
2164 |
283 |
437 |
314 |
25 |
0 |
0 |
| VODI |
2646 |
544 |
274 |
704 |
753 |
172 |
0 |
0 |
| ODI |
767 |
48 |
89 |
425 |
831 |
487 |
44 |
0 |
| CDI |
0 |
1 |
13 |
217 |
875 |
2845 |
859 |
1 |
| VCDI |
0 |
1 |
0 |
25 |
362 |
5022 |
26988 |
41672 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77786 |
11435 |
168 |
197 |
157 |
9 |
0 |
0 |
| OW |
967 |
1964 |
249 |
458 |
400 |
76 |
16 |
0 |
| VODI |
2637 |
859 |
236 |
598 |
708 |
247 |
86 |
0 |
| ODI |
778 |
181 |
127 |
371 |
683 |
604 |
95 |
0 |
| CDI |
0 |
25 |
39 |
309 |
879 |
2313 |
664 |
2 |
| VCDI |
0 |
2 |
4 |
52 |
426 |
5302 |
27030 |
41671 |
|
Date: 2024-12-06:
| 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 |
77393 |
10595 |
190 |
241 |
185 |
46 |
0 |
0 |
| OW |
973 |
1710 |
219 |
372 |
250 |
89 |
0 |
0 |
| VODI |
2417 |
835 |
274 |
699 |
577 |
401 |
12 |
0 |
| ODI |
1155 |
71 |
79 |
330 |
703 |
934 |
105 |
0 |
| CDI |
0 |
20 |
25 |
172 |
723 |
2169 |
1030 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
322 |
4738 |
30587 |
40150 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77260 |
10405 |
191 |
284 |
206 |
48 |
0 |
0 |
| OW |
1054 |
1597 |
208 |
420 |
364 |
191 |
13 |
0 |
| VODI |
2458 |
889 |
235 |
534 |
594 |
694 |
77 |
0 |
| ODI |
1165 |
251 |
96 |
321 |
521 |
770 |
138 |
0 |
| CDI |
1 |
89 |
54 |
236 |
686 |
1891 |
1066 |
2 |
| VCDI |
0 |
0 |
3 |
38 |
389 |
4783 |
30440 |
40148 |
|
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