Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-02
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-27:
| 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 |
112356 |
12074 |
485 |
1046 |
264 |
75 |
0 |
0 |
| OW |
2 |
906 |
482 |
1786 |
658 |
246 |
0 |
0 |
| VODI |
0 |
130 |
126 |
981 |
1226 |
846 |
24 |
0 |
| ODI |
0 |
13 |
20 |
424 |
1056 |
1451 |
108 |
0 |
| CDI |
0 |
1 |
5 |
136 |
1290 |
3935 |
794 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
335 |
9175 |
18477 |
23807 |
|
...date precedes bulletin
|
Date: 2023-10-29:
| 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 |
111457 |
11286 |
383 |
667 |
191 |
2 |
0 |
0 |
| OW |
28 |
958 |
381 |
1511 |
921 |
394 |
0 |
0 |
| VODI |
1 |
113 |
111 |
921 |
1380 |
818 |
12 |
0 |
| ODI |
0 |
14 |
18 |
442 |
908 |
1355 |
130 |
0 |
| CDI |
0 |
1 |
8 |
162 |
874 |
3388 |
1115 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
348 |
7276 |
17776 |
29382 |
|
...date precedes bulletin
|
Date: 2023-10-31:
| 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 |
109077 |
11892 |
493 |
864 |
174 |
10 |
0 |
0 |
| OW |
4 |
670 |
372 |
1006 |
511 |
31 |
0 |
0 |
| VODI |
0 |
47 |
72 |
1114 |
1275 |
168 |
0 |
0 |
| ODI |
0 |
0 |
1 |
456 |
1489 |
707 |
1 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1712 |
3156 |
525 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
316 |
6474 |
20519 |
31548 |
|
...date precedes bulletin
|
Date: 2023-11-02:
| 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 |
108287 |
11622 |
481 |
781 |
92 |
25 |
0 |
0 |
| OW |
13 |
798 |
374 |
932 |
627 |
67 |
0 |
0 |
| VODI |
1 |
85 |
113 |
892 |
1006 |
362 |
10 |
0 |
| ODI |
0 |
4 |
5 |
417 |
1066 |
629 |
58 |
0 |
| CDI |
0 |
0 |
0 |
134 |
1312 |
1688 |
395 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
621 |
6420 |
19282 |
36131 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108279 |
11672 |
533 |
804 |
226 |
31 |
0 |
0 |
| OW |
18 |
738 |
333 |
941 |
517 |
60 |
0 |
0 |
| VODI |
4 |
92 |
97 |
902 |
1060 |
327 |
5 |
0 |
| ODI |
0 |
7 |
10 |
387 |
1072 |
696 |
64 |
0 |
| CDI |
0 |
0 |
0 |
128 |
1158 |
1679 |
485 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
691 |
6398 |
19191 |
36130 |
|
Date: 2023-11-04:
| 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 |
106771 |
11692 |
514 |
885 |
78 |
21 |
0 |
0 |
| OW |
32 |
844 |
341 |
856 |
516 |
67 |
0 |
0 |
| VODI |
4 |
182 |
139 |
939 |
836 |
394 |
0 |
0 |
| ODI |
0 |
5 |
28 |
371 |
1100 |
728 |
103 |
0 |
| CDI |
0 |
0 |
0 |
132 |
1243 |
1446 |
399 |
6 |
| VCDI |
0 |
0 |
0 |
42 |
886 |
7290 |
22337 |
33516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106773 |
11823 |
574 |
1013 |
143 |
28 |
0 |
0 |
| OW |
26 |
676 |
283 |
799 |
489 |
112 |
0 |
0 |
| VODI |
8 |
223 |
145 |
889 |
871 |
392 |
0 |
0 |
| ODI |
0 |
1 |
20 |
359 |
1181 |
711 |
93 |
0 |
| CDI |
0 |
0 |
0 |
125 |
1047 |
1463 |
397 |
6 |
| VCDI |
0 |
0 |
0 |
40 |
928 |
7240 |
22349 |
33516 |
|
Date: 2023-11-06:
| 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 |
105049 |
12319 |
487 |
482 |
86 |
0 |
0 |
0 |
| OW |
50 |
906 |
447 |
1001 |
138 |
30 |
1 |
0 |
| VODI |
7 |
38 |
76 |
1529 |
599 |
29 |
0 |
0 |
| ODI |
0 |
3 |
7 |
328 |
1634 |
284 |
0 |
6 |
| CDI |
0 |
0 |
0 |
101 |
769 |
2664 |
76 |
27 |
| VCDI |
0 |
0 |
0 |
43 |
318 |
7508 |
24142 |
33559 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105053 |
12091 |
577 |
953 |
144 |
1 |
0 |
0 |
| OW |
38 |
830 |
246 |
840 |
491 |
57 |
1 |
0 |
| VODI |
14 |
308 |
144 |
975 |
895 |
195 |
0 |
0 |
| ODI |
1 |
37 |
36 |
453 |
838 |
695 |
31 |
8 |
| CDI |
0 |
0 |
14 |
182 |
697 |
1930 |
544 |
44 |
| VCDI |
0 |
0 |
0 |
81 |
479 |
7637 |
23643 |
33540 |
|
Date: 2023-11-08:
| 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 |
104644 |
11160 |
635 |
763 |
95 |
0 |
0 |
0 |
| OW |
93 |
793 |
330 |
1152 |
314 |
27 |
1 |
0 |
| VODI |
6 |
146 |
122 |
1057 |
751 |
44 |
0 |
0 |
| ODI |
0 |
41 |
21 |
410 |
1204 |
253 |
11 |
0 |
| CDI |
0 |
3 |
1 |
137 |
912 |
1995 |
309 |
22 |
| VCDI |
0 |
0 |
0 |
22 |
354 |
6476 |
23376 |
37063 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104638 |
10733 |
579 |
1052 |
161 |
0 |
0 |
0 |
| OW |
88 |
858 |
275 |
911 |
642 |
57 |
1 |
0 |
| VODI |
17 |
390 |
150 |
718 |
861 |
247 |
6 |
0 |
| ODI |
0 |
137 |
92 |
575 |
806 |
614 |
64 |
1 |
| CDI |
0 |
24 |
13 |
227 |
693 |
1690 |
885 |
30 |
| VCDI |
0 |
1 |
0 |
58 |
467 |
6187 |
22741 |
37054 |
|
Date: 2023-11-10:
| 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 |
103390 |
10881 |
502 |
576 |
42 |
0 |
0 |
0 |
| OW |
174 |
843 |
409 |
1264 |
235 |
48 |
0 |
0 |
| VODI |
25 |
178 |
164 |
1215 |
751 |
141 |
1 |
0 |
| ODI |
0 |
52 |
21 |
552 |
902 |
319 |
0 |
0 |
| CDI |
0 |
20 |
8 |
149 |
930 |
1501 |
302 |
1 |
| VCDI |
0 |
0 |
0 |
51 |
582 |
5337 |
24544 |
38633 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103395 |
10248 |
466 |
953 |
101 |
7 |
0 |
0 |
| OW |
165 |
1198 |
308 |
910 |
381 |
102 |
0 |
0 |
| VODI |
29 |
370 |
219 |
972 |
943 |
206 |
6 |
0 |
| ODI |
0 |
118 |
103 |
591 |
808 |
470 |
33 |
0 |
| CDI |
0 |
37 |
7 |
310 |
736 |
1444 |
837 |
13 |
| VCDI |
0 |
3 |
1 |
71 |
473 |
5117 |
23971 |
38621 |
|
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