Validation of sea ice concentration - Full domain
Bulletin date: 2022-12-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-25:
| 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 |
79861 |
19186 |
3545 |
859 |
345 |
58 |
32 |
0 |
| OW |
80 |
771 |
681 |
511 |
308 |
56 |
3 |
0 |
| VODI |
11 |
269 |
245 |
539 |
559 |
133 |
3 |
0 |
| ODI |
0 |
73 |
42 |
250 |
699 |
317 |
10 |
0 |
| CDI |
0 |
29 |
22 |
106 |
668 |
881 |
292 |
7 |
| VCDI |
0 |
7 |
27 |
123 |
769 |
7106 |
29606 |
37959 |
|
...date precedes bulletin
|
Date: 2022-11-27:
| 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 |
76364 |
22279 |
2913 |
657 |
471 |
76 |
59 |
0 |
| OW |
76 |
872 |
652 |
587 |
386 |
136 |
1 |
0 |
| VODI |
30 |
329 |
221 |
419 |
438 |
437 |
7 |
0 |
| ODI |
0 |
81 |
61 |
263 |
331 |
577 |
72 |
0 |
| CDI |
0 |
44 |
26 |
99 |
403 |
1044 |
368 |
3 |
| VCDI |
0 |
1 |
36 |
116 |
522 |
6657 |
33581 |
35353 |
|
...date precedes bulletin
|
Date: 2022-11-29:
| 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 |
74991 |
22057 |
4291 |
744 |
240 |
140 |
101 |
0 |
| OW |
74 |
604 |
672 |
467 |
332 |
80 |
6 |
0 |
| VODI |
10 |
284 |
337 |
728 |
556 |
194 |
4 |
0 |
| ODI |
0 |
71 |
67 |
354 |
585 |
477 |
15 |
0 |
| CDI |
0 |
21 |
33 |
161 |
501 |
1156 |
197 |
0 |
| VCDI |
0 |
3 |
29 |
98 |
732 |
8315 |
32874 |
34447 |
|
...date precedes bulletin
|
Date: 2022-12-01:
| 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 |
67112 |
27835 |
5700 |
738 |
241 |
83 |
40 |
0 |
| OW |
50 |
756 |
721 |
618 |
206 |
93 |
3 |
0 |
| VODI |
0 |
326 |
475 |
723 |
561 |
204 |
17 |
0 |
| ODI |
0 |
87 |
158 |
358 |
563 |
319 |
19 |
0 |
| CDI |
0 |
41 |
52 |
180 |
613 |
1008 |
107 |
2 |
| VCDI |
0 |
29 |
71 |
163 |
881 |
8401 |
30579 |
36915 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67127 |
28029 |
5934 |
901 |
258 |
84 |
39 |
0 |
| OW |
35 |
577 |
592 |
590 |
208 |
101 |
3 |
0 |
| VODI |
0 |
306 |
399 |
633 |
568 |
179 |
15 |
0 |
| ODI |
0 |
85 |
133 |
310 |
544 |
282 |
16 |
0 |
| CDI |
0 |
48 |
49 |
181 |
608 |
1004 |
124 |
6 |
| VCDI |
0 |
29 |
70 |
165 |
879 |
8458 |
30568 |
36911 |
|
Date: 2022-12-03:
| 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 |
66732 |
28199 |
4828 |
440 |
366 |
114 |
66 |
0 |
| OW |
39 |
1127 |
739 |
470 |
323 |
126 |
7 |
0 |
| VODI |
9 |
455 |
517 |
556 |
553 |
481 |
25 |
0 |
| ODI |
2 |
138 |
222 |
331 |
392 |
527 |
95 |
0 |
| CDI |
0 |
47 |
147 |
271 |
386 |
1003 |
356 |
4 |
| VCDI |
0 |
18 |
101 |
400 |
973 |
11490 |
38221 |
25752 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66732 |
28438 |
5044 |
560 |
472 |
158 |
73 |
0 |
| OW |
39 |
912 |
621 |
439 |
263 |
112 |
1 |
0 |
| VODI |
9 |
451 |
450 |
534 |
544 |
420 |
18 |
0 |
| ODI |
2 |
120 |
190 |
293 |
396 |
526 |
79 |
0 |
| CDI |
0 |
41 |
139 |
246 |
347 |
990 |
364 |
2 |
| VCDI |
0 |
22 |
110 |
396 |
971 |
11535 |
38235 |
25754 |
|
Date: 2022-12-05:
| 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 |
60163 |
30041 |
9092 |
665 |
326 |
141 |
31 |
0 |
| OW |
56 |
908 |
756 |
652 |
246 |
50 |
20 |
0 |
| VODI |
9 |
542 |
637 |
939 |
650 |
229 |
15 |
0 |
| ODI |
0 |
204 |
237 |
388 |
597 |
692 |
123 |
0 |
| CDI |
0 |
104 |
142 |
224 |
466 |
1312 |
375 |
0 |
| VCDI |
0 |
16 |
82 |
286 |
1184 |
11870 |
32588 |
29990 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60151 |
29735 |
8804 |
722 |
454 |
222 |
73 |
0 |
| OW |
62 |
954 |
764 |
423 |
236 |
111 |
32 |
0 |
| VODI |
15 |
691 |
742 |
795 |
436 |
348 |
82 |
0 |
| ODI |
0 |
231 |
261 |
490 |
428 |
393 |
148 |
0 |
| CDI |
0 |
123 |
172 |
242 |
485 |
738 |
166 |
0 |
| VCDI |
0 |
81 |
203 |
482 |
1430 |
12482 |
32651 |
29990 |
|
Date: 2022-12-07:
| 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 |
66757 |
20309 |
9263 |
1022 |
498 |
134 |
22 |
0 |
| OW |
50 |
772 |
818 |
863 |
633 |
59 |
12 |
0 |
| VODI |
0 |
375 |
502 |
874 |
1267 |
375 |
20 |
0 |
| ODI |
0 |
91 |
157 |
423 |
793 |
582 |
110 |
0 |
| CDI |
0 |
52 |
82 |
284 |
499 |
1210 |
604 |
19 |
| VCDI |
0 |
16 |
79 |
334 |
1153 |
12032 |
34551 |
29352 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66757 |
20311 |
9249 |
1076 |
684 |
152 |
36 |
0 |
| OW |
50 |
629 |
775 |
729 |
532 |
163 |
18 |
0 |
| VODI |
0 |
411 |
453 |
728 |
1109 |
439 |
163 |
0 |
| ODI |
0 |
146 |
135 |
506 |
738 |
665 |
228 |
0 |
| CDI |
0 |
63 |
133 |
299 |
586 |
1003 |
327 |
23 |
| VCDI |
0 |
55 |
156 |
462 |
1194 |
11970 |
34547 |
29348 |
|
Date: 2022-12-09:
| 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 |
66186 |
25580 |
2678 |
667 |
620 |
388 |
28 |
0 |
| OW |
52 |
474 |
533 |
700 |
737 |
275 |
9 |
0 |
| VODI |
0 |
268 |
172 |
533 |
1124 |
868 |
106 |
0 |
| ODI |
0 |
126 |
87 |
274 |
901 |
1133 |
176 |
0 |
| CDI |
0 |
59 |
45 |
170 |
505 |
1692 |
484 |
3 |
| VCDI |
0 |
51 |
51 |
169 |
565 |
8849 |
35202 |
34508 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66186 |
25237 |
2593 |
698 |
772 |
535 |
39 |
0 |
| OW |
52 |
541 |
467 |
516 |
624 |
335 |
54 |
0 |
| VODI |
0 |
422 |
245 |
572 |
1207 |
927 |
141 |
0 |
| ODI |
0 |
158 |
127 |
332 |
619 |
1142 |
407 |
0 |
| CDI |
0 |
94 |
54 |
131 |
546 |
1524 |
600 |
19 |
| VCDI |
0 |
106 |
80 |
264 |
684 |
8742 |
34764 |
34492 |
|
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