Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-31
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-25:
| 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 |
118554 |
12713 |
433 |
607 |
600 |
3 |
0 |
0 |
| OW |
27 |
976 |
300 |
1008 |
1169 |
72 |
0 |
0 |
| VODI |
2 |
104 |
183 |
791 |
1225 |
979 |
26 |
0 |
| ODI |
0 |
18 |
21 |
366 |
1181 |
1748 |
241 |
0 |
| CDI |
0 |
15 |
19 |
372 |
987 |
4405 |
433 |
0 |
| VCDI |
0 |
2 |
9 |
97 |
485 |
9537 |
21708 |
13327 |
|
...date precedes bulletin
|
Date: 2024-10-27:
| 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 |
113518 |
16345 |
319 |
344 |
128 |
51 |
0 |
0 |
| OW |
1 |
1155 |
376 |
852 |
597 |
484 |
3 |
0 |
| VODI |
3 |
149 |
163 |
938 |
941 |
878 |
51 |
0 |
| ODI |
0 |
19 |
51 |
297 |
1071 |
1511 |
114 |
0 |
| CDI |
0 |
1 |
22 |
282 |
1110 |
4510 |
708 |
0 |
| VCDI |
0 |
0 |
1 |
89 |
686 |
9197 |
20191 |
17587 |
|
...date precedes bulletin
|
Date: 2024-10-29:
| 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 |
117211 |
11718 |
436 |
282 |
30 |
0 |
0 |
0 |
| OW |
13 |
829 |
459 |
961 |
129 |
6 |
0 |
0 |
| VODI |
3 |
48 |
105 |
1270 |
562 |
107 |
0 |
0 |
| ODI |
0 |
0 |
6 |
404 |
1236 |
535 |
6 |
0 |
| CDI |
0 |
0 |
0 |
80 |
1379 |
4238 |
726 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
397 |
10848 |
21046 |
19673 |
|
...date precedes bulletin
|
Date: 2024-10-31:
| 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 |
115970 |
11631 |
442 |
472 |
24 |
0 |
0 |
0 |
| OW |
12 |
1082 |
409 |
941 |
155 |
1 |
0 |
0 |
| VODI |
3 |
217 |
151 |
1080 |
645 |
52 |
7 |
0 |
| ODI |
0 |
15 |
48 |
432 |
1078 |
414 |
38 |
0 |
| CDI |
0 |
0 |
9 |
232 |
1492 |
3113 |
329 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
480 |
11471 |
22525 |
19759 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115973 |
11751 |
464 |
568 |
37 |
1 |
0 |
0 |
| OW |
9 |
932 |
396 |
839 |
155 |
1 |
0 |
0 |
| VODI |
3 |
236 |
134 |
1090 |
654 |
64 |
6 |
0 |
| ODI |
0 |
23 |
49 |
396 |
1061 |
393 |
36 |
0 |
| CDI |
0 |
3 |
15 |
242 |
1355 |
3214 |
395 |
0 |
| VCDI |
0 |
0 |
1 |
36 |
612 |
11378 |
22462 |
19759 |
|
Date: 2024-11-02:
| 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 |
113477 |
12427 |
367 |
812 |
37 |
0 |
0 |
0 |
| OW |
14 |
1056 |
330 |
1333 |
204 |
0 |
0 |
0 |
| VODI |
3 |
281 |
233 |
1208 |
644 |
40 |
0 |
0 |
| ODI |
0 |
18 |
28 |
681 |
922 |
311 |
17 |
0 |
| CDI |
0 |
0 |
0 |
418 |
1532 |
2044 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
1912 |
2318 |
11026 |
19989 |
20851 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113468 |
12602 |
453 |
933 |
65 |
0 |
0 |
0 |
| OW |
23 |
898 |
244 |
1196 |
198 |
1 |
0 |
0 |
| VODI |
3 |
264 |
227 |
1245 |
646 |
69 |
0 |
0 |
| ODI |
0 |
15 |
27 |
660 |
901 |
325 |
24 |
0 |
| CDI |
0 |
3 |
7 |
403 |
1421 |
1990 |
242 |
0 |
| VCDI |
0 |
0 |
0 |
1927 |
2426 |
11036 |
19950 |
20851 |
|
Date: 2024-11-04:
| 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 |
113341 |
11223 |
418 |
411 |
16 |
0 |
0 |
0 |
| OW |
36 |
853 |
583 |
1000 |
104 |
0 |
0 |
0 |
| VODI |
3 |
71 |
94 |
1809 |
750 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
402 |
1709 |
334 |
2 |
0 |
| CDI |
0 |
0 |
0 |
44 |
1575 |
3936 |
255 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
235 |
8596 |
23495 |
23435 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113263 |
11094 |
550 |
801 |
60 |
0 |
0 |
0 |
| OW |
97 |
885 |
323 |
1053 |
399 |
9 |
0 |
0 |
| VODI |
20 |
157 |
179 |
1197 |
986 |
199 |
0 |
0 |
| ODI |
0 |
11 |
36 |
384 |
1018 |
562 |
19 |
0 |
| CDI |
0 |
0 |
7 |
196 |
1267 |
2083 |
140 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
659 |
10024 |
23593 |
23435 |
|
Date: 2024-11-06:
| 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 |
111029 |
11123 |
441 |
845 |
197 |
0 |
0 |
0 |
| OW |
18 |
740 |
385 |
1216 |
420 |
0 |
0 |
0 |
| VODI |
12 |
76 |
73 |
1271 |
1140 |
58 |
0 |
0 |
| ODI |
0 |
5 |
6 |
338 |
1508 |
402 |
3 |
0 |
| CDI |
0 |
3 |
12 |
87 |
1306 |
2434 |
69 |
0 |
| VCDI |
0 |
0 |
10 |
99 |
1009 |
10937 |
19845 |
27626 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111030 |
10870 |
495 |
1005 |
180 |
0 |
0 |
0 |
| OW |
16 |
780 |
235 |
1347 |
656 |
32 |
0 |
0 |
| VODI |
12 |
265 |
135 |
790 |
1387 |
269 |
0 |
0 |
| ODI |
1 |
24 |
31 |
392 |
1067 |
682 |
19 |
0 |
| CDI |
0 |
7 |
16 |
181 |
1060 |
1992 |
226 |
0 |
| VCDI |
0 |
1 |
15 |
141 |
1230 |
10856 |
19672 |
27626 |
|
Date: 2024-11-08:
| 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 |
110177 |
10909 |
493 |
608 |
56 |
0 |
0 |
0 |
| OW |
37 |
762 |
379 |
953 |
602 |
14 |
0 |
0 |
| VODI |
12 |
119 |
117 |
889 |
1241 |
408 |
1 |
0 |
| ODI |
1 |
82 |
13 |
267 |
1158 |
649 |
14 |
0 |
| CDI |
2 |
23 |
13 |
73 |
970 |
2449 |
117 |
0 |
| VCDI |
0 |
3 |
4 |
42 |
299 |
8655 |
20076 |
32056 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110187 |
10336 |
445 |
632 |
134 |
2 |
0 |
0 |
| OW |
30 |
1056 |
306 |
775 |
852 |
34 |
0 |
0 |
| VODI |
9 |
316 |
194 |
811 |
1256 |
594 |
15 |
0 |
| ODI |
3 |
114 |
48 |
398 |
827 |
933 |
60 |
0 |
| CDI |
0 |
44 |
11 |
162 |
814 |
1859 |
326 |
4 |
| VCDI |
0 |
32 |
15 |
54 |
443 |
8753 |
19807 |
32052 |
|
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