Validation of sea ice concentration - Full domain
Bulletin date: 2022-10-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-21:
| 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 |
107471 |
17819 |
173 |
827 |
333 |
68 |
0 |
0 |
| OW |
34 |
1983 |
157 |
1079 |
426 |
32 |
0 |
0 |
| VODI |
2 |
878 |
57 |
974 |
1260 |
170 |
0 |
0 |
| ODI |
0 |
114 |
32 |
534 |
1370 |
648 |
0 |
0 |
| CDI |
0 |
13 |
6 |
264 |
1059 |
1707 |
52 |
0 |
| VCDI |
0 |
2 |
1 |
82 |
747 |
6008 |
16843 |
23823 |
|
...date precedes bulletin
|
Date: 2022-10-23:
| 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 |
106387 |
16811 |
190 |
866 |
467 |
50 |
0 |
0 |
| OW |
38 |
1876 |
132 |
1196 |
799 |
55 |
0 |
0 |
| VODI |
0 |
853 |
67 |
848 |
1563 |
376 |
5 |
0 |
| ODI |
0 |
145 |
22 |
474 |
984 |
888 |
65 |
0 |
| CDI |
0 |
18 |
8 |
245 |
897 |
1881 |
284 |
0 |
| VCDI |
0 |
0 |
1 |
84 |
730 |
5295 |
18086 |
24362 |
|
...date precedes bulletin
|
Date: 2022-10-25:
| 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 |
105083 |
17200 |
227 |
1078 |
406 |
44 |
0 |
0 |
| OW |
9 |
1047 |
138 |
1353 |
373 |
55 |
0 |
0 |
| VODI |
0 |
212 |
61 |
1091 |
1565 |
132 |
0 |
0 |
| ODI |
0 |
9 |
2 |
214 |
1946 |
786 |
5 |
0 |
| CDI |
0 |
0 |
1 |
128 |
692 |
2885 |
219 |
0 |
| VCDI |
0 |
0 |
0 |
42 |
493 |
4957 |
18061 |
26534 |
|
...date precedes bulletin
|
Date: 2022-10-27:
| 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 |
101792 |
17459 |
170 |
717 |
860 |
247 |
0 |
0 |
| OW |
74 |
1203 |
136 |
1066 |
818 |
179 |
0 |
0 |
| VODI |
0 |
159 |
35 |
943 |
1879 |
509 |
0 |
0 |
| ODI |
0 |
6 |
2 |
235 |
1457 |
971 |
17 |
0 |
| CDI |
0 |
0 |
0 |
101 |
907 |
2228 |
296 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
457 |
4509 |
18467 |
29146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101810 |
17760 |
193 |
825 |
988 |
248 |
0 |
0 |
| OW |
56 |
874 |
110 |
971 |
754 |
168 |
0 |
0 |
| VODI |
0 |
185 |
37 |
944 |
1769 |
463 |
0 |
0 |
| ODI |
0 |
8 |
3 |
238 |
1468 |
922 |
19 |
0 |
| CDI |
0 |
0 |
0 |
82 |
903 |
2270 |
430 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
496 |
4572 |
18331 |
29146 |
|
Date: 2022-10-29:
| 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 |
100440 |
16343 |
156 |
707 |
453 |
313 |
0 |
0 |
| OW |
98 |
1271 |
125 |
1243 |
858 |
501 |
0 |
0 |
| VODI |
0 |
251 |
37 |
675 |
1422 |
1115 |
7 |
0 |
| ODI |
0 |
61 |
8 |
197 |
1014 |
1574 |
136 |
0 |
| CDI |
0 |
48 |
6 |
99 |
753 |
1515 |
810 |
5 |
| VCDI |
0 |
26 |
6 |
106 |
718 |
4543 |
18523 |
30885 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
100469 |
16644 |
188 |
1001 |
651 |
345 |
0 |
0 |
| OW |
59 |
953 |
89 |
922 |
704 |
433 |
0 |
0 |
| VODI |
10 |
275 |
40 |
681 |
1442 |
1164 |
1 |
0 |
| ODI |
0 |
59 |
8 |
220 |
934 |
1475 |
150 |
0 |
| CDI |
0 |
47 |
6 |
102 |
699 |
1605 |
871 |
7 |
| VCDI |
0 |
22 |
7 |
101 |
788 |
4539 |
18454 |
30883 |
|
Date: 2022-10-31:
| 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 |
100011 |
16417 |
129 |
725 |
178 |
22 |
0 |
0 |
| OW |
16 |
701 |
93 |
720 |
215 |
100 |
0 |
0 |
| VODI |
0 |
174 |
35 |
927 |
995 |
219 |
0 |
0 |
| ODI |
0 |
51 |
5 |
204 |
1764 |
1088 |
20 |
0 |
| CDI |
0 |
38 |
5 |
48 |
764 |
4099 |
639 |
34 |
| VCDI |
0 |
54 |
6 |
81 |
298 |
4130 |
19320 |
32723 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99999 |
15871 |
135 |
1064 |
479 |
320 |
0 |
0 |
| OW |
28 |
982 |
67 |
637 |
794 |
515 |
14 |
0 |
| VODI |
0 |
339 |
37 |
512 |
1053 |
1269 |
104 |
0 |
| ODI |
0 |
89 |
13 |
205 |
635 |
1766 |
317 |
13 |
| CDI |
0 |
66 |
11 |
163 |
528 |
1525 |
764 |
52 |
| VCDI |
0 |
88 |
10 |
124 |
725 |
4263 |
18780 |
32692 |
|
Date: 2022-11-02:
| 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 |
97359 |
17593 |
147 |
866 |
197 |
12 |
0 |
0 |
| OW |
55 |
754 |
82 |
777 |
404 |
81 |
0 |
0 |
| VODI |
0 |
331 |
31 |
688 |
884 |
323 |
0 |
0 |
| ODI |
0 |
78 |
8 |
245 |
1092 |
925 |
14 |
6 |
| CDI |
0 |
54 |
4 |
87 |
1279 |
2492 |
228 |
124 |
| VCDI |
0 |
35 |
5 |
136 |
818 |
7523 |
18816 |
32495 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97245 |
16590 |
139 |
970 |
448 |
179 |
0 |
0 |
| OW |
169 |
1464 |
70 |
885 |
742 |
420 |
1 |
0 |
| VODI |
0 |
496 |
31 |
402 |
1054 |
1197 |
30 |
0 |
| ODI |
0 |
153 |
19 |
148 |
788 |
1785 |
212 |
29 |
| CDI |
0 |
70 |
8 |
183 |
693 |
1745 |
566 |
143 |
| VCDI |
0 |
72 |
10 |
211 |
949 |
6030 |
18249 |
32453 |
|
Date: 2022-11-04:
| 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 |
96480 |
16388 |
114 |
632 |
218 |
9 |
0 |
0 |
| OW |
81 |
1287 |
69 |
774 |
938 |
135 |
0 |
0 |
| VODI |
11 |
279 |
44 |
360 |
675 |
727 |
10 |
0 |
| ODI |
0 |
86 |
15 |
345 |
475 |
875 |
191 |
0 |
| CDI |
0 |
44 |
10 |
188 |
958 |
1442 |
603 |
0 |
| VCDI |
0 |
66 |
8 |
128 |
1065 |
6539 |
20711 |
34068 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96447 |
15080 |
84 |
456 |
314 |
154 |
1 |
0 |
| OW |
64 |
1511 |
57 |
600 |
848 |
632 |
110 |
0 |
| VODI |
61 |
1176 |
62 |
602 |
921 |
1127 |
297 |
0 |
| ODI |
0 |
191 |
27 |
334 |
775 |
1664 |
409 |
0 |
| CDI |
0 |
84 |
16 |
228 |
661 |
1650 |
1071 |
9 |
| VCDI |
0 |
108 |
14 |
207 |
810 |
4500 |
19627 |
34059 |
|
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