Validation of sea ice concentration - Full domain
Bulletin date: 2024-12-05
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-29:
| 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 |
94764 |
12982 |
418 |
507 |
4 |
0 |
0 |
0 |
| OW |
628 |
920 |
320 |
947 |
215 |
3 |
0 |
0 |
| VODI |
121 |
176 |
120 |
986 |
971 |
117 |
0 |
0 |
| ODI |
15 |
22 |
9 |
369 |
1001 |
604 |
18 |
0 |
| CDI |
2 |
13 |
2 |
84 |
1061 |
2731 |
492 |
20 |
| VCDI |
0 |
18 |
1 |
11 |
425 |
4890 |
25089 |
43667 |
|
...date precedes bulletin
|
Date: 2024-12-01:
| 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 |
92908 |
13806 |
304 |
495 |
24 |
0 |
0 |
0 |
| OW |
96 |
1708 |
380 |
676 |
220 |
21 |
0 |
0 |
| VODI |
6 |
348 |
264 |
1107 |
638 |
207 |
12 |
0 |
| ODI |
0 |
42 |
36 |
608 |
845 |
498 |
74 |
0 |
| CDI |
0 |
14 |
3 |
212 |
1287 |
1905 |
230 |
19 |
| VCDI |
0 |
16 |
0 |
8 |
508 |
6911 |
24269 |
44038 |
|
...date precedes bulletin
|
Date: 2024-12-03:
| 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 |
91118 |
14030 |
362 |
403 |
65 |
0 |
0 |
0 |
| OW |
68 |
1447 |
457 |
1115 |
342 |
0 |
0 |
0 |
| VODI |
7 |
149 |
219 |
1391 |
707 |
47 |
0 |
0 |
| ODI |
0 |
7 |
9 |
513 |
1443 |
357 |
15 |
0 |
| CDI |
0 |
4 |
1 |
162 |
1342 |
3452 |
462 |
1 |
| VCDI |
0 |
18 |
1 |
6 |
245 |
5031 |
19906 |
49841 |
|
...date precedes bulletin
|
Date: 2024-12-05:
| 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 |
90386 |
12608 |
370 |
480 |
106 |
0 |
0 |
0 |
| OW |
97 |
1953 |
435 |
687 |
304 |
10 |
0 |
0 |
| VODI |
16 |
464 |
305 |
1395 |
828 |
354 |
0 |
0 |
| ODI |
0 |
25 |
47 |
593 |
1114 |
560 |
5 |
0 |
| CDI |
0 |
1 |
1 |
228 |
1296 |
2480 |
579 |
17 |
| VCDI |
0 |
0 |
0 |
27 |
413 |
5116 |
21750 |
49693 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90435 |
13101 |
480 |
623 |
140 |
0 |
0 |
0 |
| OW |
53 |
1522 |
388 |
805 |
402 |
33 |
0 |
0 |
| VODI |
11 |
412 |
262 |
1286 |
897 |
421 |
0 |
0 |
| ODI |
0 |
16 |
28 |
500 |
1132 |
863 |
34 |
0 |
| CDI |
0 |
0 |
0 |
169 |
1160 |
2540 |
794 |
27 |
| VCDI |
0 |
0 |
0 |
27 |
330 |
4663 |
21506 |
49683 |
|
Date: 2024-12-07:
| 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 |
88803 |
12821 |
296 |
463 |
126 |
0 |
0 |
0 |
| OW |
185 |
1934 |
291 |
679 |
267 |
7 |
0 |
0 |
| VODI |
20 |
654 |
299 |
1123 |
773 |
116 |
0 |
0 |
| ODI |
0 |
90 |
78 |
749 |
1296 |
837 |
66 |
0 |
| CDI |
0 |
0 |
10 |
257 |
1349 |
2297 |
704 |
57 |
| VCDI |
0 |
0 |
0 |
22 |
371 |
4395 |
21956 |
51352 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88897 |
13523 |
400 |
649 |
188 |
0 |
0 |
0 |
| OW |
97 |
1330 |
250 |
748 |
369 |
14 |
0 |
0 |
| VODI |
14 |
554 |
243 |
993 |
817 |
187 |
3 |
0 |
| ODI |
0 |
92 |
77 |
667 |
1296 |
1138 |
82 |
5 |
| CDI |
0 |
0 |
4 |
211 |
1189 |
2356 |
1081 |
145 |
| VCDI |
0 |
0 |
0 |
25 |
323 |
3957 |
21560 |
51259 |
|
Date: 2024-12-09:
| 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 |
88492 |
13468 |
237 |
224 |
39 |
0 |
0 |
0 |
| OW |
218 |
2415 |
544 |
523 |
111 |
9 |
0 |
0 |
| VODI |
20 |
193 |
207 |
1579 |
662 |
43 |
0 |
0 |
| ODI |
0 |
6 |
6 |
551 |
1621 |
307 |
11 |
0 |
| CDI |
0 |
2 |
0 |
107 |
1220 |
2569 |
276 |
10 |
| VCDI |
0 |
0 |
0 |
32 |
299 |
4229 |
17693 |
56820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88520 |
13207 |
335 |
497 |
137 |
27 |
0 |
0 |
| OW |
189 |
1684 |
232 |
458 |
225 |
66 |
0 |
0 |
| VODI |
21 |
925 |
266 |
858 |
681 |
180 |
9 |
0 |
| ODI |
0 |
223 |
140 |
738 |
1091 |
679 |
232 |
1 |
| CDI |
0 |
45 |
21 |
420 |
1369 |
1895 |
899 |
28 |
| VCDI |
0 |
0 |
0 |
45 |
449 |
4310 |
16840 |
56801 |
|
Date: 2024-12-11:
| 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 |
87790 |
13603 |
220 |
253 |
83 |
0 |
0 |
0 |
| OW |
257 |
2112 |
440 |
752 |
238 |
10 |
0 |
0 |
| VODI |
49 |
584 |
244 |
1176 |
729 |
120 |
0 |
0 |
| ODI |
0 |
67 |
42 |
521 |
997 |
561 |
12 |
0 |
| CDI |
0 |
4 |
5 |
218 |
1191 |
1906 |
274 |
15 |
| VCDI |
0 |
0 |
0 |
19 |
471 |
5164 |
20882 |
53734 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87659 |
12969 |
316 |
580 |
266 |
34 |
0 |
0 |
| OW |
359 |
1592 |
218 |
528 |
355 |
110 |
0 |
0 |
| VODI |
75 |
1182 |
171 |
755 |
586 |
291 |
24 |
0 |
| ODI |
3 |
487 |
179 |
573 |
819 |
798 |
98 |
1 |
| CDI |
0 |
140 |
67 |
450 |
1174 |
1655 |
665 |
55 |
| VCDI |
0 |
0 |
0 |
53 |
509 |
4873 |
20381 |
53693 |
|
Date: 2024-12-13:
| 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 |
87345 |
13738 |
329 |
210 |
0 |
0 |
0 |
0 |
| OW |
261 |
1771 |
398 |
960 |
170 |
5 |
0 |
0 |
| VODI |
25 |
510 |
248 |
1001 |
766 |
191 |
2 |
0 |
| ODI |
2 |
60 |
52 |
518 |
784 |
462 |
24 |
0 |
| CDI |
1 |
20 |
21 |
252 |
1280 |
1888 |
218 |
19 |
| VCDI |
0 |
10 |
0 |
74 |
723 |
5601 |
22393 |
52411 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86945 |
12219 |
391 |
630 |
124 |
34 |
6 |
0 |
| OW |
550 |
1580 |
199 |
563 |
373 |
130 |
13 |
0 |
| VODI |
132 |
1188 |
165 |
617 |
494 |
310 |
10 |
0 |
| ODI |
7 |
738 |
113 |
515 |
634 |
693 |
46 |
0 |
| CDI |
0 |
348 |
173 |
602 |
1232 |
1850 |
767 |
103 |
| VCDI |
0 |
36 |
7 |
88 |
866 |
5130 |
21795 |
52327 |
|
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