Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
96317 |
12001 |
717 |
1206 |
420 |
185 |
0 |
0 |
| OW |
192 |
636 |
351 |
1077 |
351 |
153 |
1 |
0 |
| VODI |
31 |
175 |
137 |
874 |
879 |
246 |
5 |
0 |
| ODI |
5 |
55 |
15 |
413 |
589 |
521 |
9 |
3 |
| CDI |
0 |
7 |
1 |
112 |
597 |
760 |
151 |
50 |
| VCDI |
0 |
1 |
0 |
32 |
434 |
5021 |
23091 |
39227 |
|
...date precedes bulletin
|
Date: 2023-11-12:
| 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 |
95029 |
12038 |
602 |
1071 |
371 |
151 |
2 |
0 |
| OW |
163 |
620 |
263 |
1016 |
626 |
134 |
2 |
0 |
| VODI |
26 |
354 |
143 |
813 |
1087 |
264 |
8 |
0 |
| ODI |
1 |
71 |
34 |
392 |
735 |
549 |
9 |
1 |
| CDI |
0 |
14 |
5 |
147 |
608 |
996 |
124 |
129 |
| VCDI |
0 |
1 |
2 |
35 |
474 |
4779 |
24127 |
39032 |
|
...date precedes bulletin
|
Date: 2023-11-14:
| 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 |
91809 |
15290 |
790 |
1217 |
336 |
55 |
0 |
0 |
| OW |
111 |
213 |
195 |
1008 |
287 |
13 |
0 |
0 |
| VODI |
20 |
61 |
84 |
828 |
919 |
95 |
0 |
0 |
| ODI |
7 |
0 |
2 |
325 |
1559 |
337 |
0 |
0 |
| CDI |
0 |
0 |
0 |
56 |
945 |
1307 |
60 |
44 |
| VCDI |
0 |
0 |
0 |
4 |
434 |
6798 |
24734 |
37105 |
|
...date precedes bulletin
|
Date: 2023-11-16:
| 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 |
90544 |
14229 |
736 |
1556 |
713 |
104 |
0 |
0 |
| OW |
95 |
293 |
160 |
542 |
615 |
17 |
0 |
0 |
| VODI |
12 |
52 |
84 |
467 |
1258 |
114 |
0 |
0 |
| ODI |
0 |
7 |
12 |
236 |
1187 |
538 |
49 |
3 |
| CDI |
0 |
1 |
0 |
104 |
1046 |
1497 |
141 |
50 |
| VCDI |
0 |
0 |
0 |
19 |
379 |
5857 |
22347 |
41984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90565 |
14180 |
732 |
1615 |
789 |
112 |
0 |
0 |
| OW |
75 |
347 |
167 |
516 |
684 |
20 |
0 |
0 |
| VODI |
11 |
48 |
83 |
427 |
1280 |
161 |
13 |
0 |
| ODI |
0 |
7 |
10 |
239 |
1163 |
631 |
48 |
2 |
| CDI |
0 |
0 |
0 |
104 |
885 |
1420 |
125 |
43 |
| VCDI |
0 |
0 |
0 |
23 |
397 |
5783 |
22351 |
41992 |
|
Date: 2023-11-18:
| 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 |
90284 |
13921 |
681 |
1122 |
425 |
149 |
0 |
0 |
| OW |
116 |
409 |
181 |
754 |
505 |
111 |
2 |
0 |
| VODI |
14 |
106 |
63 |
686 |
952 |
273 |
9 |
0 |
| ODI |
0 |
13 |
4 |
202 |
862 |
461 |
23 |
0 |
| CDI |
0 |
0 |
0 |
81 |
778 |
1388 |
401 |
8 |
| VCDI |
0 |
0 |
0 |
29 |
502 |
4343 |
23204 |
43986 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90303 |
13844 |
669 |
1295 |
515 |
169 |
2 |
0 |
| OW |
98 |
486 |
190 |
614 |
463 |
94 |
2 |
0 |
| VODI |
13 |
109 |
67 |
623 |
1022 |
315 |
10 |
0 |
| ODI |
0 |
10 |
3 |
223 |
821 |
494 |
37 |
0 |
| CDI |
0 |
0 |
0 |
93 |
705 |
1445 |
338 |
9 |
| VCDI |
0 |
0 |
0 |
26 |
498 |
4208 |
23250 |
43985 |
|
Date: 2023-11-20:
| 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 |
88952 |
14694 |
888 |
1143 |
417 |
146 |
0 |
0 |
| OW |
61 |
151 |
114 |
965 |
168 |
27 |
0 |
0 |
| VODI |
3 |
48 |
16 |
818 |
934 |
57 |
0 |
0 |
| ODI |
0 |
6 |
5 |
121 |
1332 |
338 |
2 |
0 |
| CDI |
0 |
3 |
0 |
30 |
532 |
2114 |
186 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
160 |
3238 |
18520 |
50838 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88865 |
14295 |
770 |
1267 |
555 |
206 |
2 |
0 |
| OW |
132 |
443 |
195 |
725 |
320 |
99 |
4 |
0 |
| VODI |
18 |
130 |
47 |
751 |
799 |
401 |
24 |
0 |
| ODI |
1 |
32 |
11 |
241 |
651 |
541 |
76 |
2 |
| CDI |
0 |
2 |
0 |
80 |
789 |
1097 |
328 |
126 |
| VCDI |
0 |
0 |
0 |
13 |
429 |
3576 |
18274 |
50731 |
|
Date: 2023-11-22:
| 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 |
86169 |
16867 |
1112 |
1194 |
483 |
123 |
11 |
0 |
| OW |
71 |
342 |
264 |
808 |
161 |
24 |
0 |
0 |
| VODI |
9 |
77 |
100 |
778 |
629 |
34 |
1 |
0 |
| ODI |
1 |
7 |
11 |
333 |
1009 |
240 |
6 |
0 |
| CDI |
0 |
0 |
4 |
137 |
887 |
999 |
90 |
17 |
| VCDI |
0 |
0 |
0 |
53 |
919 |
6512 |
17376 |
49190 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86181 |
16273 |
1032 |
1278 |
603 |
178 |
14 |
0 |
| OW |
52 |
681 |
205 |
662 |
262 |
37 |
6 |
0 |
| VODI |
15 |
274 |
188 |
674 |
780 |
317 |
6 |
0 |
| ODI |
2 |
59 |
40 |
349 |
562 |
508 |
18 |
0 |
| CDI |
0 |
6 |
21 |
183 |
693 |
1030 |
209 |
17 |
| VCDI |
0 |
0 |
5 |
157 |
1188 |
5862 |
17231 |
49190 |
|
Date: 2023-11-24:
| 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 |
87245 |
15964 |
623 |
829 |
446 |
159 |
13 |
0 |
| OW |
65 |
814 |
336 |
659 |
97 |
31 |
0 |
0 |
| VODI |
11 |
239 |
187 |
781 |
492 |
80 |
0 |
0 |
| ODI |
0 |
50 |
86 |
391 |
669 |
239 |
4 |
0 |
| CDI |
0 |
28 |
29 |
325 |
632 |
688 |
48 |
1 |
| VCDI |
0 |
17 |
22 |
369 |
1169 |
6848 |
19906 |
46456 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87250 |
15310 |
584 |
955 |
534 |
219 |
13 |
0 |
| OW |
67 |
988 |
258 |
574 |
195 |
59 |
0 |
0 |
| VODI |
4 |
529 |
189 |
583 |
624 |
325 |
0 |
0 |
| ODI |
0 |
154 |
114 |
406 |
474 |
538 |
12 |
0 |
| CDI |
0 |
80 |
82 |
330 |
401 |
884 |
88 |
25 |
| VCDI |
0 |
51 |
56 |
506 |
1277 |
6020 |
19858 |
46432 |
|
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