Validation of sea ice concentration - Full domain
Bulletin date: 2024-12-12
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
89010 |
13264 |
335 |
476 |
177 |
0 |
0 |
0 |
| OW |
135 |
1742 |
391 |
754 |
255 |
33 |
0 |
0 |
| VODI |
16 |
576 |
284 |
1346 |
808 |
280 |
0 |
0 |
| ODI |
0 |
27 |
43 |
595 |
1049 |
862 |
52 |
0 |
| CDI |
0 |
0 |
4 |
211 |
1173 |
2296 |
806 |
31 |
| VCDI |
0 |
0 |
0 |
40 |
425 |
4831 |
22466 |
49950 |
|
...date precedes bulletin
|
Date: 2024-12-08:
| 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 |
88739 |
12557 |
267 |
269 |
70 |
0 |
0 |
0 |
| OW |
282 |
2136 |
336 |
526 |
164 |
9 |
0 |
0 |
| VODI |
23 |
842 |
327 |
1069 |
636 |
45 |
0 |
0 |
| ODI |
0 |
180 |
117 |
875 |
1187 |
622 |
46 |
0 |
| CDI |
0 |
3 |
6 |
314 |
1761 |
2064 |
595 |
5 |
| VCDI |
0 |
0 |
0 |
25 |
390 |
4437 |
18960 |
54859 |
|
...date precedes bulletin
|
Date: 2024-12-10:
| 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 |
88947 |
12662 |
198 |
266 |
52 |
0 |
0 |
0 |
| OW |
285 |
2347 |
498 |
584 |
153 |
13 |
0 |
0 |
| VODI |
51 |
409 |
248 |
1492 |
557 |
92 |
4 |
0 |
| ODI |
0 |
35 |
22 |
548 |
1277 |
451 |
40 |
0 |
| CDI |
0 |
3 |
0 |
125 |
1154 |
1948 |
344 |
7 |
| VCDI |
0 |
0 |
0 |
39 |
473 |
4290 |
19228 |
55901 |
|
...date precedes bulletin
|
Date: 2024-12-12:
| 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 |
87485 |
13881 |
261 |
227 |
5 |
0 |
0 |
0 |
| OW |
251 |
1837 |
435 |
962 |
176 |
0 |
0 |
0 |
| VODI |
47 |
557 |
228 |
1052 |
800 |
126 |
0 |
0 |
| ODI |
1 |
75 |
50 |
532 |
799 |
505 |
0 |
0 |
| CDI |
0 |
26 |
20 |
287 |
1226 |
1796 |
350 |
7 |
| VCDI |
0 |
1 |
1 |
27 |
577 |
5716 |
22919 |
51498 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87617 |
14460 |
390 |
338 |
9 |
0 |
0 |
0 |
| OW |
147 |
1363 |
331 |
981 |
228 |
1 |
0 |
0 |
| VODI |
20 |
485 |
212 |
986 |
792 |
178 |
0 |
0 |
| ODI |
0 |
43 |
46 |
523 |
769 |
606 |
19 |
0 |
| CDI |
0 |
21 |
15 |
247 |
1260 |
1891 |
623 |
32 |
| VCDI |
0 |
5 |
1 |
12 |
525 |
5467 |
22627 |
51473 |
|
Date: 2024-12-14:
| 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 |
86683 |
13762 |
227 |
288 |
5 |
0 |
0 |
0 |
| OW |
296 |
1787 |
366 |
937 |
203 |
9 |
0 |
0 |
| VODI |
17 |
625 |
227 |
1001 |
732 |
216 |
7 |
0 |
| ODI |
1 |
93 |
97 |
529 |
756 |
495 |
27 |
0 |
| CDI |
0 |
23 |
17 |
275 |
1266 |
2197 |
574 |
11 |
| VCDI |
0 |
11 |
0 |
8 |
657 |
5349 |
20410 |
54559 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86826 |
14173 |
346 |
557 |
47 |
0 |
0 |
0 |
| OW |
160 |
1433 |
285 |
843 |
292 |
18 |
0 |
0 |
| VODI |
10 |
566 |
187 |
876 |
707 |
339 |
6 |
0 |
| ODI |
1 |
110 |
102 |
474 |
713 |
611 |
54 |
0 |
| CDI |
0 |
9 |
14 |
281 |
1221 |
2178 |
1049 |
18 |
| VCDI |
0 |
10 |
0 |
7 |
639 |
5120 |
19909 |
54552 |
|
Date: 2024-12-16:
| 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 |
84641 |
15260 |
279 |
224 |
34 |
3 |
0 |
0 |
| OW |
130 |
1674 |
518 |
765 |
113 |
8 |
0 |
0 |
| VODI |
11 |
134 |
156 |
1615 |
609 |
34 |
0 |
0 |
| ODI |
3 |
9 |
21 |
353 |
1390 |
316 |
0 |
0 |
| CDI |
0 |
5 |
0 |
138 |
1115 |
2887 |
268 |
3 |
| VCDI |
0 |
4 |
0 |
15 |
403 |
4917 |
24168 |
52520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84618 |
15004 |
392 |
580 |
68 |
15 |
0 |
0 |
| OW |
140 |
1173 |
283 |
899 |
356 |
66 |
0 |
0 |
| VODI |
23 |
655 |
143 |
852 |
867 |
334 |
25 |
0 |
| ODI |
4 |
212 |
102 |
378 |
851 |
624 |
127 |
0 |
| CDI |
0 |
33 |
54 |
369 |
916 |
2044 |
1114 |
2 |
| VCDI |
0 |
9 |
0 |
32 |
606 |
5082 |
23170 |
52521 |
|
Date: 2024-12-18:
| 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 |
82353 |
15891 |
456 |
332 |
6 |
27 |
0 |
0 |
| OW |
78 |
1292 |
458 |
1013 |
163 |
40 |
0 |
0 |
| VODI |
11 |
242 |
168 |
1079 |
901 |
126 |
0 |
0 |
| ODI |
0 |
24 |
57 |
465 |
1000 |
495 |
6 |
0 |
| CDI |
5 |
2 |
15 |
231 |
1129 |
3192 |
1054 |
14 |
| VCDI |
0 |
0 |
0 |
69 |
689 |
4619 |
25214 |
51827 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82384 |
15676 |
565 |
555 |
58 |
33 |
0 |
0 |
| OW |
51 |
1034 |
297 |
1018 |
368 |
76 |
0 |
0 |
| VODI |
7 |
543 |
151 |
820 |
1055 |
436 |
20 |
0 |
| ODI |
2 |
135 |
59 |
385 |
813 |
710 |
242 |
0 |
| CDI |
3 |
63 |
81 |
328 |
820 |
1990 |
1405 |
51 |
| VCDI |
0 |
0 |
1 |
83 |
774 |
5254 |
24607 |
51790 |
|
Date: 2024-12-20:
| 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 |
79977 |
15668 |
463 |
423 |
18 |
4 |
0 |
0 |
| OW |
112 |
1160 |
457 |
1302 |
198 |
47 |
0 |
0 |
| VODI |
43 |
296 |
135 |
1225 |
1144 |
272 |
0 |
0 |
| ODI |
1 |
39 |
39 |
537 |
1097 |
583 |
12 |
0 |
| CDI |
4 |
2 |
2 |
258 |
1356 |
3211 |
1742 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
342 |
4497 |
22898 |
55157 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80019 |
15664 |
558 |
920 |
171 |
7 |
0 |
0 |
| OW |
109 |
1011 |
296 |
971 |
503 |
63 |
0 |
0 |
| VODI |
4 |
392 |
205 |
1098 |
1086 |
480 |
11 |
0 |
| ODI |
2 |
92 |
35 |
531 |
932 |
943 |
211 |
0 |
| CDI |
3 |
6 |
2 |
222 |
988 |
2089 |
1742 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
475 |
5032 |
22688 |
55157 |
|
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