Validation of sea ice concentration - Full domain
Bulletin date: 2023-12-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: :
| 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 |
78501 |
13199 |
846 |
1362 |
667 |
222 |
115 |
0 |
| OW |
64 |
752 |
201 |
972 |
697 |
67 |
17 |
0 |
| VODI |
0 |
363 |
188 |
902 |
965 |
352 |
26 |
0 |
| ODI |
0 |
103 |
93 |
480 |
725 |
516 |
10 |
0 |
| CDI |
0 |
55 |
46 |
381 |
923 |
1182 |
59 |
5 |
| VCDI |
0 |
30 |
36 |
292 |
1361 |
8666 |
17107 |
54500 |
|
...date precedes bulletin
|
Date: :
| 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 |
78610 |
12618 |
605 |
925 |
498 |
445 |
178 |
0 |
| OW |
62 |
652 |
212 |
937 |
536 |
374 |
21 |
0 |
| VODI |
0 |
369 |
255 |
843 |
653 |
628 |
19 |
0 |
| ODI |
0 |
105 |
103 |
544 |
751 |
596 |
40 |
0 |
| CDI |
0 |
50 |
38 |
366 |
690 |
1002 |
228 |
21 |
| VCDI |
0 |
27 |
47 |
378 |
1403 |
8308 |
17936 |
54975 |
|
...date precedes bulletin
|
Date: :
| 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 |
76640 |
13600 |
630 |
948 |
249 |
250 |
166 |
0 |
| OW |
62 |
586 |
216 |
877 |
210 |
59 |
7 |
0 |
| VODI |
0 |
162 |
147 |
1148 |
967 |
146 |
32 |
0 |
| ODI |
0 |
28 |
37 |
365 |
1239 |
582 |
109 |
0 |
| CDI |
0 |
7 |
27 |
215 |
1086 |
1950 |
375 |
3 |
| VCDI |
0 |
2 |
6 |
159 |
1200 |
7757 |
20115 |
54684 |
|
...date precedes bulletin
|
Date: :
| 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 |
76272 |
12602 |
648 |
852 |
245 |
208 |
219 |
0 |
| OW |
96 |
523 |
190 |
773 |
307 |
55 |
20 |
0 |
| VODI |
0 |
279 |
128 |
814 |
830 |
141 |
16 |
0 |
| ODI |
0 |
43 |
60 |
431 |
1258 |
261 |
11 |
0 |
| CDI |
0 |
10 |
44 |
156 |
1280 |
1472 |
198 |
16 |
| VCDI |
0 |
0 |
6 |
307 |
1095 |
9031 |
21291 |
54860 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76289 |
12649 |
649 |
909 |
257 |
220 |
224 |
0 |
| OW |
79 |
473 |
186 |
720 |
320 |
44 |
17 |
0 |
| VODI |
0 |
270 |
123 |
810 |
872 |
136 |
15 |
0 |
| ODI |
0 |
54 |
60 |
409 |
1182 |
287 |
13 |
0 |
| CDI |
0 |
11 |
47 |
176 |
1273 |
1242 |
157 |
22 |
| VCDI |
0 |
0 |
11 |
309 |
1111 |
9239 |
21329 |
54854 |
|
Date: :
| 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 |
75338 |
12928 |
622 |
892 |
287 |
195 |
139 |
0 |
| OW |
92 |
575 |
144 |
681 |
293 |
54 |
15 |
0 |
| VODI |
0 |
267 |
74 |
795 |
629 |
155 |
21 |
0 |
| ODI |
0 |
113 |
66 |
479 |
1126 |
333 |
46 |
0 |
| CDI |
0 |
45 |
33 |
172 |
1317 |
1089 |
197 |
106 |
| VCDI |
0 |
35 |
44 |
287 |
1334 |
8023 |
19758 |
58249 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75333 |
12982 |
642 |
956 |
298 |
202 |
136 |
0 |
| OW |
97 |
533 |
118 |
646 |
303 |
54 |
18 |
0 |
| VODI |
0 |
252 |
80 |
727 |
690 |
170 |
13 |
0 |
| ODI |
0 |
108 |
64 |
498 |
1028 |
360 |
49 |
0 |
| CDI |
0 |
50 |
31 |
199 |
1371 |
992 |
241 |
102 |
| VCDI |
0 |
38 |
48 |
280 |
1296 |
8071 |
19719 |
58253 |
|
Date: :
| 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 |
76169 |
12600 |
538 |
695 |
221 |
207 |
92 |
0 |
| OW |
64 |
286 |
153 |
649 |
163 |
18 |
7 |
0 |
| VODI |
0 |
121 |
51 |
900 |
599 |
53 |
16 |
0 |
| ODI |
0 |
44 |
30 |
274 |
1463 |
218 |
29 |
0 |
| CDI |
0 |
28 |
43 |
173 |
1185 |
1901 |
125 |
4 |
| VCDI |
0 |
0 |
5 |
120 |
621 |
7432 |
24476 |
55275 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76158 |
11996 |
521 |
794 |
327 |
243 |
113 |
0 |
| OW |
75 |
538 |
112 |
548 |
210 |
63 |
24 |
0 |
| VODI |
0 |
310 |
66 |
683 |
615 |
181 |
35 |
0 |
| ODI |
0 |
97 |
30 |
297 |
1012 |
414 |
64 |
0 |
| CDI |
0 |
75 |
19 |
196 |
1012 |
1216 |
370 |
5 |
| VCDI |
0 |
63 |
72 |
293 |
1076 |
7712 |
24139 |
55274 |
|
Date: :
| 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 |
76132 |
12462 |
424 |
533 |
185 |
136 |
137 |
0 |
| OW |
68 |
616 |
213 |
425 |
159 |
11 |
23 |
0 |
| VODI |
0 |
290 |
140 |
689 |
508 |
74 |
15 |
0 |
| ODI |
0 |
64 |
62 |
423 |
894 |
167 |
21 |
0 |
| CDI |
0 |
43 |
52 |
295 |
1080 |
1135 |
159 |
7 |
| VCDI |
0 |
12 |
22 |
335 |
1555 |
8144 |
22466 |
56872 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76111 |
11830 |
337 |
552 |
273 |
159 |
191 |
0 |
| OW |
89 |
770 |
156 |
291 |
160 |
61 |
17 |
0 |
| VODI |
0 |
621 |
176 |
490 |
408 |
161 |
22 |
0 |
| ODI |
0 |
152 |
107 |
513 |
750 |
253 |
48 |
0 |
| CDI |
0 |
52 |
68 |
333 |
846 |
680 |
225 |
22 |
| VCDI |
0 |
62 |
69 |
521 |
1944 |
8353 |
22318 |
56857 |
|
Date: :
| 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 |
75675 |
12385 |
378 |
474 |
155 |
114 |
183 |
0 |
| OW |
80 |
879 |
168 |
401 |
134 |
7 |
33 |
0 |
| VODI |
0 |
471 |
125 |
535 |
431 |
61 |
23 |
0 |
| ODI |
0 |
135 |
72 |
339 |
840 |
195 |
25 |
0 |
| CDI |
0 |
95 |
29 |
239 |
889 |
895 |
157 |
16 |
| VCDI |
0 |
48 |
86 |
415 |
1397 |
7845 |
22748 |
57871 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75645 |
11666 |
293 |
430 |
201 |
127 |
243 |
0 |
| OW |
106 |
898 |
139 |
326 |
116 |
57 |
35 |
0 |
| VODI |
4 |
795 |
155 |
438 |
304 |
118 |
71 |
0 |
| ODI |
0 |
313 |
93 |
396 |
534 |
208 |
70 |
0 |
| CDI |
0 |
192 |
47 |
269 |
914 |
499 |
194 |
70 |
| VCDI |
0 |
149 |
131 |
544 |
1777 |
8108 |
22556 |
57817 |
|
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