Validation of sea ice concentration - Full domain
Bulletin date: 2022-04-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-15:
| 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 |
68547 |
14762 |
158 |
909 |
478 |
53 |
0 |
0 |
| OW |
63 |
365 |
45 |
403 |
425 |
29 |
15 |
0 |
| VODI |
0 |
131 |
31 |
320 |
772 |
143 |
19 |
0 |
| ODI |
0 |
8 |
7 |
170 |
835 |
494 |
47 |
0 |
| CDI |
0 |
0 |
0 |
42 |
1083 |
1534 |
430 |
5 |
| VCDI |
0 |
0 |
0 |
25 |
720 |
5125 |
27074 |
61781 |
|
...date precedes bulletin
|
Date: 2022-04-17:
| 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 |
69293 |
14237 |
150 |
846 |
440 |
63 |
0 |
0 |
| OW |
68 |
457 |
40 |
344 |
396 |
54 |
9 |
0 |
| VODI |
0 |
157 |
46 |
356 |
673 |
190 |
20 |
0 |
| ODI |
0 |
22 |
11 |
196 |
675 |
543 |
40 |
0 |
| CDI |
0 |
0 |
1 |
74 |
1003 |
1277 |
506 |
13 |
| VCDI |
0 |
0 |
0 |
6 |
826 |
5629 |
28132 |
60255 |
|
...date precedes bulletin
|
Date: 2022-04-19:
| 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 |
69600 |
14069 |
121 |
680 |
326 |
65 |
1 |
0 |
| OW |
61 |
485 |
71 |
426 |
251 |
26 |
9 |
0 |
| VODI |
0 |
105 |
48 |
470 |
656 |
155 |
30 |
0 |
| ODI |
0 |
3 |
4 |
147 |
941 |
375 |
55 |
0 |
| CDI |
0 |
0 |
0 |
21 |
794 |
1751 |
533 |
115 |
| VCDI |
0 |
0 |
0 |
4 |
397 |
4811 |
30061 |
59381 |
|
...date precedes bulletin
|
Date: 2022-04-21:
| 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 |
69505 |
14133 |
143 |
739 |
324 |
68 |
0 |
0 |
| OW |
73 |
433 |
55 |
522 |
338 |
23 |
6 |
0 |
| VODI |
2 |
195 |
40 |
432 |
837 |
125 |
29 |
0 |
| ODI |
0 |
10 |
10 |
146 |
702 |
385 |
35 |
0 |
| CDI |
0 |
1 |
1 |
78 |
893 |
1565 |
409 |
15 |
| VCDI |
0 |
0 |
0 |
23 |
633 |
5726 |
29387 |
59007 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69504 |
14154 |
150 |
756 |
361 |
68 |
0 |
0 |
| OW |
73 |
467 |
53 |
534 |
341 |
25 |
2 |
0 |
| VODI |
3 |
135 |
33 |
412 |
835 |
130 |
33 |
0 |
| ODI |
0 |
14 |
11 |
128 |
719 |
400 |
33 |
0 |
| CDI |
0 |
2 |
2 |
88 |
842 |
1481 |
404 |
7 |
| VCDI |
0 |
0 |
0 |
22 |
629 |
5788 |
29394 |
59015 |
|
Date: 2022-04-23:
| 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 |
69109 |
14526 |
155 |
841 |
314 |
47 |
0 |
0 |
| OW |
60 |
398 |
49 |
565 |
545 |
25 |
3 |
0 |
| VODI |
0 |
137 |
33 |
428 |
785 |
153 |
32 |
0 |
| ODI |
0 |
9 |
9 |
130 |
711 |
425 |
56 |
7 |
| CDI |
0 |
0 |
2 |
73 |
906 |
1416 |
406 |
183 |
| VCDI |
0 |
0 |
0 |
11 |
386 |
4993 |
26735 |
62385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69109 |
14522 |
164 |
937 |
364 |
49 |
0 |
0 |
| OW |
60 |
406 |
51 |
491 |
499 |
23 |
4 |
0 |
| VODI |
0 |
126 |
18 |
404 |
849 |
152 |
32 |
0 |
| ODI |
0 |
15 |
13 |
123 |
696 |
502 |
52 |
4 |
| CDI |
0 |
1 |
2 |
87 |
868 |
1356 |
461 |
177 |
| VCDI |
0 |
0 |
0 |
6 |
371 |
4977 |
26683 |
62394 |
|
Date: 2022-04-25:
| 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 |
68482 |
14992 |
163 |
796 |
301 |
54 |
0 |
0 |
| OW |
60 |
381 |
59 |
637 |
348 |
15 |
0 |
0 |
| VODI |
0 |
29 |
24 |
524 |
955 |
65 |
0 |
0 |
| ODI |
0 |
5 |
0 |
82 |
977 |
395 |
10 |
0 |
| CDI |
0 |
0 |
1 |
32 |
798 |
1965 |
361 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
293 |
5066 |
24174 |
65000 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68482 |
14971 |
170 |
1082 |
622 |
60 |
0 |
0 |
| OW |
60 |
329 |
46 |
404 |
553 |
52 |
0 |
0 |
| VODI |
0 |
89 |
26 |
345 |
650 |
317 |
13 |
0 |
| ODI |
0 |
15 |
4 |
153 |
598 |
578 |
59 |
0 |
| CDI |
0 |
3 |
1 |
84 |
633 |
1289 |
688 |
17 |
| VCDI |
0 |
0 |
0 |
3 |
616 |
5264 |
23785 |
64987 |
|
Date: 2022-04-27:
| 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 |
68389 |
15070 |
180 |
873 |
406 |
56 |
0 |
0 |
| OW |
62 |
223 |
57 |
689 |
410 |
30 |
0 |
0 |
| VODI |
0 |
43 |
17 |
438 |
961 |
109 |
6 |
0 |
| ODI |
0 |
8 |
2 |
147 |
758 |
424 |
27 |
0 |
| CDI |
0 |
0 |
1 |
77 |
833 |
1776 |
547 |
23 |
| VCDI |
0 |
0 |
0 |
56 |
631 |
5880 |
30391 |
57448 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68380 |
14818 |
188 |
1179 |
775 |
73 |
0 |
0 |
| OW |
66 |
330 |
29 |
355 |
548 |
82 |
1 |
0 |
| VODI |
5 |
130 |
22 |
338 |
626 |
300 |
27 |
0 |
| ODI |
0 |
54 |
14 |
172 |
617 |
556 |
120 |
0 |
| CDI |
0 |
12 |
4 |
162 |
600 |
1282 |
572 |
43 |
| VCDI |
0 |
0 |
0 |
74 |
833 |
5982 |
30251 |
57428 |
|
Date: 2022-04-29:
| 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 |
68468 |
14636 |
166 |
1061 |
580 |
17 |
0 |
0 |
| OW |
60 |
360 |
47 |
540 |
537 |
51 |
0 |
0 |
| VODI |
0 |
69 |
28 |
364 |
959 |
204 |
22 |
0 |
| ODI |
0 |
5 |
5 |
163 |
704 |
489 |
29 |
0 |
| CDI |
0 |
8 |
3 |
96 |
952 |
1720 |
370 |
36 |
| VCDI |
0 |
8 |
3 |
143 |
1158 |
11032 |
28733 |
53222 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68468 |
14564 |
176 |
1218 |
984 |
51 |
0 |
0 |
| OW |
60 |
308 |
27 |
352 |
620 |
141 |
14 |
0 |
| VODI |
0 |
134 |
23 |
286 |
592 |
362 |
42 |
0 |
| ODI |
0 |
44 |
12 |
182 |
580 |
569 |
98 |
0 |
| CDI |
0 |
31 |
10 |
179 |
826 |
1688 |
470 |
45 |
| VCDI |
0 |
5 |
4 |
150 |
1288 |
10702 |
28530 |
53213 |
|
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