Validation of sea ice concentration - Full domain
Bulletin date: 2024-11-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-01:
| 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 |
98146 |
12273 |
320 |
374 |
67 |
4 |
0 |
0 |
| OW |
1323 |
1382 |
358 |
634 |
235 |
24 |
0 |
0 |
| VODI |
2826 |
397 |
252 |
701 |
683 |
182 |
0 |
0 |
| ODI |
0 |
49 |
56 |
399 |
791 |
544 |
36 |
0 |
| CDI |
0 |
7 |
22 |
264 |
1137 |
2238 |
578 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
459 |
10734 |
29032 |
14254 |
|
...date precedes bulletin
|
Date: 2024-11-03:
| 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 |
97694 |
11212 |
241 |
309 |
61 |
2 |
0 |
0 |
| OW |
1252 |
1608 |
357 |
654 |
327 |
45 |
0 |
0 |
| VODI |
2981 |
485 |
293 |
744 |
627 |
260 |
5 |
0 |
| ODI |
0 |
70 |
71 |
378 |
733 |
670 |
36 |
0 |
| CDI |
0 |
6 |
28 |
288 |
964 |
2190 |
390 |
0 |
| VCDI |
0 |
0 |
1 |
47 |
495 |
10176 |
29337 |
15773 |
|
...date precedes bulletin
|
Date: 2024-11-05:
| 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 |
94932 |
11927 |
366 |
477 |
110 |
0 |
0 |
0 |
| OW |
1209 |
1296 |
408 |
659 |
200 |
10 |
0 |
0 |
| VODI |
3017 |
206 |
262 |
1078 |
980 |
89 |
1 |
0 |
| ODI |
0 |
19 |
64 |
261 |
1317 |
625 |
13 |
0 |
| CDI |
0 |
7 |
22 |
146 |
899 |
2699 |
445 |
0 |
| VCDI |
0 |
8 |
9 |
110 |
574 |
10872 |
27024 |
18469 |
|
...date precedes bulletin
|
Date: 2024-11-07:
| 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 |
94092 |
11405 |
337 |
362 |
138 |
25 |
0 |
0 |
| OW |
1185 |
1195 |
323 |
627 |
488 |
70 |
0 |
0 |
| VODI |
3047 |
389 |
213 |
704 |
1092 |
344 |
7 |
0 |
| ODI |
1 |
37 |
42 |
340 |
892 |
647 |
19 |
0 |
| CDI |
0 |
27 |
17 |
80 |
864 |
2400 |
264 |
0 |
| VCDI |
0 |
22 |
18 |
66 |
766 |
9624 |
27689 |
20952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94087 |
11536 |
381 |
448 |
156 |
12 |
0 |
0 |
| OW |
1192 |
1190 |
294 |
606 |
524 |
94 |
0 |
0 |
| VODI |
3046 |
277 |
204 |
659 |
1094 |
365 |
8 |
0 |
| ODI |
0 |
31 |
35 |
323 |
880 |
687 |
16 |
0 |
| CDI |
0 |
18 |
18 |
72 |
827 |
2286 |
293 |
0 |
| VCDI |
0 |
23 |
18 |
71 |
759 |
9666 |
27662 |
20952 |
|
Date: 2024-11-09:
| 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 |
92004 |
11690 |
387 |
613 |
180 |
0 |
0 |
0 |
| OW |
1162 |
1094 |
284 |
618 |
432 |
79 |
3 |
0 |
| VODI |
3083 |
352 |
171 |
517 |
899 |
565 |
26 |
0 |
| ODI |
0 |
93 |
70 |
256 |
738 |
960 |
89 |
0 |
| CDI |
0 |
48 |
15 |
144 |
593 |
2247 |
488 |
0 |
| VCDI |
0 |
33 |
13 |
37 |
78 |
5926 |
26897 |
27926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92001 |
11811 |
419 |
700 |
225 |
3 |
1 |
0 |
| OW |
1165 |
994 |
265 |
564 |
412 |
98 |
2 |
0 |
| VODI |
3083 |
339 |
165 |
519 |
942 |
603 |
22 |
0 |
| ODI |
0 |
83 |
62 |
234 |
686 |
941 |
97 |
0 |
| CDI |
0 |
43 |
12 |
133 |
568 |
2185 |
527 |
0 |
| VCDI |
0 |
40 |
17 |
35 |
87 |
5947 |
26854 |
27926 |
|
Date: 2024-11-11:
| 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 |
90625 |
11471 |
321 |
524 |
168 |
0 |
0 |
0 |
| OW |
1111 |
1117 |
286 |
488 |
223 |
18 |
0 |
0 |
| VODI |
3250 |
234 |
202 |
687 |
755 |
89 |
3 |
0 |
| ODI |
0 |
13 |
51 |
313 |
1293 |
501 |
16 |
0 |
| CDI |
0 |
4 |
9 |
77 |
841 |
3344 |
327 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
102 |
4659 |
28369 |
29303 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90689 |
11149 |
358 |
689 |
267 |
11 |
0 |
0 |
| OW |
1179 |
1110 |
243 |
523 |
496 |
83 |
2 |
0 |
| VODI |
3118 |
390 |
156 |
434 |
949 |
432 |
16 |
0 |
| ODI |
0 |
110 |
70 |
231 |
643 |
993 |
106 |
0 |
| CDI |
0 |
62 |
29 |
176 |
774 |
1925 |
447 |
1 |
| VCDI |
0 |
18 |
13 |
52 |
253 |
5167 |
28144 |
29302 |
|
Date: 2024-11-13:
| 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 |
89095 |
11914 |
537 |
302 |
277 |
15 |
0 |
0 |
| OW |
1129 |
1186 |
399 |
461 |
202 |
24 |
0 |
0 |
| VODI |
3278 |
341 |
223 |
676 |
539 |
120 |
1 |
0 |
| ODI |
0 |
78 |
60 |
364 |
690 |
359 |
17 |
0 |
| CDI |
0 |
17 |
25 |
141 |
780 |
2046 |
447 |
0 |
| VCDI |
0 |
3 |
2 |
41 |
407 |
6902 |
26918 |
30794 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89041 |
11009 |
474 |
330 |
290 |
21 |
0 |
0 |
| OW |
1177 |
1601 |
398 |
470 |
305 |
66 |
0 |
0 |
| VODI |
3284 |
574 |
217 |
624 |
745 |
321 |
5 |
0 |
| ODI |
0 |
200 |
92 |
315 |
530 |
848 |
78 |
0 |
| CDI |
0 |
112 |
55 |
200 |
687 |
2166 |
673 |
0 |
| VCDI |
0 |
43 |
10 |
46 |
338 |
6044 |
26627 |
30794 |
|
Date: 2024-11-15:
| 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 |
89746 |
10432 |
264 |
283 |
103 |
1 |
0 |
0 |
| OW |
1151 |
1391 |
356 |
613 |
369 |
24 |
0 |
0 |
| VODI |
3293 |
427 |
271 |
691 |
531 |
108 |
0 |
0 |
| ODI |
0 |
120 |
62 |
317 |
706 |
303 |
23 |
0 |
| CDI |
0 |
80 |
38 |
194 |
748 |
1258 |
174 |
0 |
| VCDI |
0 |
44 |
18 |
91 |
529 |
5858 |
25175 |
35018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89583 |
9660 |
263 |
320 |
167 |
0 |
0 |
0 |
| OW |
1268 |
1430 |
343 |
665 |
395 |
43 |
0 |
0 |
| VODI |
3337 |
707 |
194 |
617 |
897 |
327 |
23 |
0 |
| ODI |
2 |
277 |
81 |
213 |
520 |
668 |
80 |
1 |
| CDI |
0 |
357 |
97 |
232 |
492 |
1443 |
640 |
19 |
| VCDI |
0 |
63 |
31 |
142 |
515 |
5071 |
24629 |
34998 |
|
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