Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-27:
| 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 |
95577 |
12559 |
392 |
789 |
261 |
71 |
0 |
0 |
| OW |
1335 |
1275 |
504 |
1301 |
633 |
250 |
2 |
0 |
| VODI |
2800 |
281 |
196 |
746 |
1058 |
894 |
50 |
0 |
| ODI |
0 |
58 |
62 |
382 |
793 |
1534 |
149 |
0 |
| CDI |
0 |
14 |
19 |
188 |
983 |
3958 |
824 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
418 |
10029 |
23733 |
16683 |
|
...date precedes bulletin
|
Date: 2023-10-29:
| 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 |
94224 |
12018 |
342 |
506 |
185 |
12 |
0 |
0 |
| OW |
1242 |
1194 |
370 |
1221 |
990 |
326 |
0 |
0 |
| VODI |
2980 |
222 |
181 |
723 |
1181 |
914 |
25 |
0 |
| ODI |
0 |
44 |
70 |
393 |
702 |
1393 |
186 |
0 |
| CDI |
0 |
19 |
19 |
189 |
663 |
3200 |
1301 |
0 |
| VCDI |
0 |
1 |
1 |
34 |
307 |
7696 |
25707 |
20029 |
|
...date precedes bulletin
|
Date: 2023-10-31:
| 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 |
91856 |
12561 |
493 |
747 |
154 |
16 |
0 |
0 |
| OW |
1182 |
980 |
307 |
698 |
448 |
84 |
0 |
0 |
| VODI |
3046 |
215 |
251 |
804 |
1109 |
234 |
1 |
0 |
| ODI |
0 |
16 |
50 |
471 |
1286 |
747 |
20 |
0 |
| CDI |
0 |
0 |
5 |
94 |
1573 |
3062 |
530 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
567 |
6819 |
27682 |
22698 |
|
...date precedes bulletin
|
Date: 2023-11-02:
| 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 |
91859 |
11904 |
337 |
400 |
123 |
23 |
1 |
0 |
| OW |
1171 |
1196 |
296 |
472 |
642 |
105 |
6 |
0 |
| VODI |
3082 |
252 |
222 |
535 |
904 |
456 |
19 |
0 |
| ODI |
0 |
44 |
70 |
409 |
820 |
719 |
66 |
0 |
| CDI |
0 |
4 |
12 |
179 |
1024 |
1720 |
460 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
649 |
6224 |
25538 |
28844 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91850 |
11992 |
352 |
422 |
257 |
36 |
1 |
0 |
| OW |
1180 |
1106 |
307 |
453 |
531 |
98 |
4 |
0 |
| VODI |
3082 |
253 |
204 |
567 |
943 |
421 |
13 |
0 |
| ODI |
0 |
39 |
68 |
383 |
847 |
780 |
66 |
0 |
| CDI |
0 |
10 |
6 |
172 |
897 |
1707 |
548 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
687 |
6205 |
25458 |
28844 |
|
Date: 2023-11-04:
| 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 |
90664 |
11668 |
382 |
568 |
66 |
10 |
9 |
0 |
| OW |
1175 |
1120 |
291 |
567 |
430 |
121 |
2 |
0 |
| VODI |
3102 |
443 |
185 |
554 |
687 |
558 |
8 |
0 |
| ODI |
0 |
71 |
88 |
307 |
819 |
815 |
138 |
0 |
| CDI |
0 |
18 |
37 |
198 |
886 |
1499 |
497 |
0 |
| VCDI |
0 |
0 |
1 |
83 |
912 |
7019 |
25478 |
29334 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90671 |
11853 |
413 |
659 |
128 |
30 |
7 |
0 |
| OW |
1167 |
929 |
264 |
502 |
398 |
173 |
4 |
0 |
| VODI |
3103 |
454 |
195 |
557 |
707 |
532 |
13 |
0 |
| ODI |
0 |
70 |
71 |
286 |
895 |
831 |
119 |
0 |
| CDI |
0 |
14 |
39 |
178 |
721 |
1485 |
509 |
0 |
| VCDI |
0 |
0 |
2 |
95 |
951 |
6971 |
25480 |
29334 |
|
Date: 2023-11-06:
| 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 |
89237 |
11944 |
268 |
273 |
66 |
5 |
0 |
0 |
| OW |
1114 |
1457 |
317 |
479 |
126 |
32 |
13 |
0 |
| VODI |
3270 |
351 |
398 |
900 |
499 |
67 |
0 |
0 |
| ODI |
0 |
24 |
39 |
398 |
1184 |
527 |
10 |
14 |
| CDI |
0 |
6 |
21 |
117 |
542 |
2575 |
248 |
24 |
| VCDI |
0 |
0 |
6 |
43 |
248 |
7678 |
28496 |
27794 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89251 |
11966 |
361 |
487 |
147 |
3 |
1 |
0 |
| OW |
1101 |
1093 |
278 |
522 |
379 |
79 |
12 |
0 |
| VODI |
3268 |
564 |
267 |
598 |
653 |
355 |
4 |
0 |
| ODI |
1 |
120 |
84 |
329 |
659 |
743 |
75 |
17 |
| CDI |
0 |
32 |
41 |
183 |
474 |
1905 |
642 |
33 |
| VCDI |
0 |
7 |
18 |
91 |
353 |
7799 |
28033 |
27782 |
|
Date: 2023-11-08:
| 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 |
88219 |
11648 |
350 |
427 |
76 |
4 |
0 |
0 |
| OW |
1118 |
1254 |
322 |
625 |
301 |
28 |
3 |
0 |
| VODI |
3285 |
454 |
202 |
677 |
588 |
110 |
3 |
0 |
| ODI |
0 |
109 |
78 |
410 |
822 |
474 |
3 |
0 |
| CDI |
0 |
22 |
31 |
158 |
558 |
2010 |
486 |
0 |
| VCDI |
0 |
2 |
3 |
46 |
289 |
6439 |
29393 |
29783 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88221 |
11284 |
408 |
575 |
124 |
5 |
0 |
0 |
| OW |
1114 |
1180 |
240 |
549 |
571 |
106 |
6 |
0 |
| VODI |
3287 |
609 |
152 |
547 |
576 |
390 |
11 |
0 |
| ODI |
0 |
330 |
133 |
369 |
578 |
708 |
89 |
0 |
| CDI |
0 |
76 |
45 |
209 |
463 |
1654 |
1010 |
3 |
| VCDI |
0 |
10 |
8 |
94 |
322 |
6202 |
28772 |
29780 |
|
Date: 2023-11-10:
| 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 |
87397 |
10938 |
284 |
220 |
53 |
2 |
0 |
0 |
| OW |
1190 |
1353 |
399 |
647 |
247 |
54 |
8 |
0 |
| VODI |
3311 |
491 |
287 |
733 |
593 |
232 |
11 |
0 |
| ODI |
0 |
119 |
126 |
485 |
609 |
448 |
0 |
0 |
| CDI |
0 |
43 |
23 |
176 |
612 |
1528 |
440 |
0 |
| VCDI |
0 |
5 |
16 |
59 |
458 |
5163 |
30279 |
31771 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87424 |
10409 |
345 |
374 |
128 |
14 |
0 |
0 |
| OW |
1175 |
1499 |
329 |
531 |
328 |
111 |
17 |
0 |
| VODI |
3299 |
663 |
240 |
695 |
675 |
327 |
12 |
0 |
| ODI |
0 |
288 |
133 |
408 |
618 |
558 |
45 |
0 |
| CDI |
0 |
75 |
69 |
240 |
458 |
1469 |
945 |
0 |
| VCDI |
0 |
15 |
19 |
72 |
365 |
4948 |
29719 |
31771 |
|
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