Validation of sea ice concentration - Full domain
Bulletin date: 2024-11-21
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
106056 |
10091 |
408 |
585 |
79 |
0 |
0 |
0 |
| OW |
115 |
1137 |
340 |
1080 |
335 |
0 |
0 |
0 |
| VODI |
18 |
291 |
223 |
951 |
646 |
22 |
0 |
0 |
| ODI |
1 |
49 |
50 |
461 |
887 |
136 |
12 |
3 |
| CDI |
0 |
39 |
18 |
240 |
1069 |
1075 |
136 |
11 |
| VCDI |
0 |
19 |
16 |
96 |
525 |
6012 |
19895 |
41616 |
|
...date precedes bulletin
|
Date: 2024-11-17:
| 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 |
104248 |
10423 |
427 |
767 |
46 |
0 |
0 |
0 |
| OW |
85 |
963 |
307 |
1100 |
240 |
14 |
0 |
0 |
| VODI |
18 |
248 |
149 |
1098 |
977 |
109 |
0 |
0 |
| ODI |
0 |
43 |
43 |
451 |
960 |
321 |
5 |
0 |
| CDI |
0 |
6 |
4 |
302 |
1060 |
1141 |
160 |
16 |
| VCDI |
0 |
9 |
0 |
54 |
1087 |
6762 |
20216 |
40884 |
|
...date precedes bulletin
|
Date: 2024-11-19:
| 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 |
103215 |
10503 |
470 |
681 |
131 |
1 |
0 |
0 |
| OW |
156 |
709 |
339 |
913 |
193 |
7 |
0 |
0 |
| VODI |
35 |
160 |
146 |
1201 |
682 |
20 |
0 |
0 |
| ODI |
3 |
11 |
9 |
483 |
1390 |
206 |
0 |
1 |
| CDI |
0 |
1 |
1 |
191 |
1362 |
1898 |
208 |
7 |
| VCDI |
0 |
0 |
0 |
82 |
1119 |
6249 |
22168 |
39792 |
|
...date precedes bulletin
|
Date: 2024-11-21:
| 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 |
102619 |
10298 |
376 |
557 |
64 |
0 |
0 |
0 |
| OW |
97 |
872 |
338 |
948 |
256 |
16 |
0 |
0 |
| VODI |
42 |
232 |
164 |
988 |
584 |
89 |
0 |
0 |
| ODI |
0 |
80 |
24 |
439 |
1012 |
548 |
0 |
0 |
| CDI |
0 |
32 |
5 |
182 |
1216 |
2075 |
325 |
6 |
| VCDI |
0 |
1 |
0 |
32 |
771 |
7302 |
24638 |
37515 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102597 |
10288 |
394 |
553 |
94 |
0 |
0 |
0 |
| OW |
119 |
861 |
294 |
945 |
153 |
12 |
0 |
0 |
| VODI |
42 |
239 |
191 |
969 |
651 |
81 |
0 |
0 |
| ODI |
0 |
88 |
22 |
459 |
1052 |
538 |
0 |
0 |
| CDI |
0 |
38 |
5 |
174 |
1191 |
2096 |
388 |
7 |
| VCDI |
0 |
1 |
1 |
46 |
762 |
7303 |
24575 |
37514 |
|
Date: 2024-11-23:
| 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 |
101349 |
10667 |
297 |
476 |
64 |
1 |
0 |
0 |
| OW |
105 |
892 |
334 |
956 |
374 |
62 |
0 |
0 |
| VODI |
23 |
218 |
171 |
910 |
669 |
158 |
0 |
0 |
| ODI |
4 |
84 |
23 |
454 |
850 |
592 |
5 |
1 |
| CDI |
1 |
16 |
1 |
165 |
1094 |
2008 |
312 |
16 |
| VCDI |
0 |
3 |
0 |
37 |
317 |
5673 |
23664 |
41697 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101338 |
10693 |
325 |
524 |
105 |
1 |
0 |
0 |
| OW |
109 |
839 |
297 |
866 |
311 |
50 |
0 |
0 |
| VODI |
30 |
239 |
176 |
933 |
698 |
165 |
0 |
0 |
| ODI |
4 |
63 |
26 |
481 |
815 |
578 |
16 |
1 |
| CDI |
1 |
33 |
2 |
157 |
1109 |
2090 |
397 |
12 |
| VCDI |
0 |
13 |
0 |
37 |
330 |
5610 |
23568 |
41701 |
|
Date: 2024-11-25:
| 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 |
99178 |
12188 |
317 |
232 |
8 |
0 |
0 |
0 |
| OW |
73 |
899 |
500 |
777 |
91 |
0 |
0 |
0 |
| VODI |
18 |
84 |
105 |
1489 |
643 |
18 |
0 |
0 |
| ODI |
1 |
5 |
3 |
349 |
1476 |
276 |
0 |
0 |
| CDI |
0 |
2 |
0 |
61 |
928 |
3067 |
100 |
10 |
| VCDI |
0 |
18 |
0 |
2 |
128 |
5164 |
21380 |
45153 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99139 |
11801 |
375 |
497 |
78 |
0 |
0 |
0 |
| OW |
105 |
1022 |
285 |
858 |
382 |
17 |
0 |
0 |
| VODI |
21 |
295 |
205 |
841 |
918 |
254 |
0 |
0 |
| ODI |
4 |
54 |
58 |
441 |
661 |
569 |
35 |
0 |
| CDI |
1 |
6 |
2 |
216 |
975 |
1916 |
244 |
8 |
| VCDI |
0 |
18 |
0 |
57 |
260 |
5769 |
21201 |
45155 |
|
Date: 2024-11-27:
| 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 |
96776 |
12555 |
427 |
434 |
26 |
0 |
0 |
0 |
| OW |
226 |
1014 |
354 |
852 |
202 |
12 |
0 |
0 |
| VODI |
26 |
213 |
103 |
1079 |
846 |
186 |
2 |
0 |
| ODI |
2 |
17 |
6 |
304 |
1247 |
643 |
21 |
1 |
| CDI |
1 |
5 |
2 |
90 |
861 |
2777 |
302 |
15 |
| VCDI |
0 |
16 |
0 |
41 |
281 |
4629 |
24707 |
43442 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96839 |
12085 |
360 |
603 |
119 |
10 |
0 |
0 |
| OW |
138 |
1208 |
259 |
663 |
376 |
62 |
0 |
0 |
| VODI |
37 |
439 |
212 |
851 |
1091 |
586 |
25 |
0 |
| ODI |
16 |
53 |
51 |
395 |
809 |
749 |
38 |
0 |
| CDI |
1 |
18 |
8 |
212 |
714 |
2043 |
255 |
9 |
| VCDI |
0 |
17 |
2 |
76 |
354 |
4797 |
24714 |
43449 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94550 |
12511 |
372 |
755 |
87 |
28 |
0 |
0 |
| OW |
604 |
1097 |
228 |
709 |
376 |
64 |
0 |
0 |
| VODI |
274 |
417 |
197 |
760 |
1018 |
396 |
6 |
0 |
| ODI |
86 |
61 |
67 |
427 |
728 |
903 |
43 |
1 |
| CDI |
16 |
27 |
5 |
236 |
987 |
2014 |
501 |
7 |
| VCDI |
0 |
18 |
1 |
17 |
481 |
4940 |
25049 |
43679 |
|
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