Validation of sea ice concentration - Full domain
Bulletin date: 2023-04-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-04-14:
| 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 |
66960 |
16381 |
693 |
1214 |
343 |
35 |
4 |
0 |
| OW |
52 |
151 |
116 |
434 |
383 |
64 |
13 |
0 |
| VODI |
0 |
53 |
66 |
362 |
512 |
168 |
26 |
0 |
| ODI |
0 |
21 |
22 |
165 |
502 |
279 |
47 |
0 |
| CDI |
0 |
13 |
13 |
121 |
512 |
1240 |
611 |
75 |
| VCDI |
0 |
4 |
3 |
38 |
389 |
5353 |
15802 |
73808 |
|
...date precedes bulletin
|
Date: 2023-04-16:
| 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 |
67408 |
16042 |
664 |
1274 |
398 |
41 |
6 |
0 |
| OW |
52 |
170 |
118 |
434 |
295 |
89 |
11 |
0 |
| VODI |
0 |
90 |
71 |
387 |
440 |
153 |
19 |
0 |
| ODI |
0 |
27 |
38 |
190 |
453 |
271 |
43 |
0 |
| CDI |
0 |
15 |
6 |
142 |
609 |
1205 |
573 |
11 |
| VCDI |
0 |
6 |
0 |
37 |
699 |
6222 |
16033 |
72306 |
|
...date precedes bulletin
|
Date: 2023-04-18:
| 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 |
67967 |
15798 |
729 |
1326 |
254 |
29 |
0 |
0 |
| OW |
51 |
143 |
114 |
589 |
288 |
36 |
0 |
0 |
| VODI |
0 |
45 |
42 |
364 |
627 |
60 |
1 |
0 |
| ODI |
0 |
8 |
14 |
142 |
677 |
247 |
27 |
0 |
| CDI |
0 |
7 |
5 |
98 |
729 |
1317 |
353 |
36 |
| VCDI |
0 |
125 |
5 |
153 |
905 |
5709 |
17021 |
71007 |
|
...date precedes bulletin
|
Date: 2023-04-20:
| 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 |
67671 |
16104 |
746 |
1313 |
285 |
30 |
27 |
0 |
| OW |
51 |
231 |
78 |
494 |
415 |
21 |
6 |
0 |
| VODI |
0 |
53 |
46 |
293 |
695 |
109 |
3 |
0 |
| ODI |
0 |
10 |
14 |
150 |
619 |
401 |
19 |
0 |
| CDI |
0 |
18 |
4 |
101 |
765 |
1199 |
553 |
21 |
| VCDI |
0 |
9 |
0 |
30 |
1200 |
6036 |
20911 |
66317 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67671 |
16243 |
762 |
1363 |
307 |
33 |
27 |
0 |
| OW |
51 |
102 |
66 |
453 |
404 |
21 |
6 |
0 |
| VODI |
0 |
41 |
45 |
279 |
635 |
109 |
3 |
0 |
| ODI |
0 |
11 |
11 |
151 |
624 |
390 |
25 |
0 |
| CDI |
0 |
17 |
4 |
101 |
754 |
1149 |
579 |
26 |
| VCDI |
0 |
11 |
0 |
34 |
1255 |
6094 |
20879 |
66312 |
|
Date: 2023-04-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2023-04-24:
| 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 |
67495 |
15984 |
725 |
1417 |
458 |
88 |
14 |
0 |
| OW |
60 |
122 |
92 |
470 |
512 |
91 |
1 |
0 |
| VODI |
0 |
49 |
39 |
306 |
569 |
234 |
22 |
5 |
| ODI |
0 |
25 |
16 |
180 |
570 |
505 |
74 |
16 |
| CDI |
0 |
12 |
7 |
180 |
738 |
1728 |
814 |
44 |
| VCDI |
0 |
2 |
0 |
122 |
1210 |
8251 |
29089 |
54712 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67495 |
15964 |
733 |
1453 |
604 |
96 |
14 |
0 |
| OW |
60 |
130 |
75 |
368 |
442 |
96 |
1 |
0 |
| VODI |
0 |
52 |
46 |
306 |
504 |
214 |
25 |
4 |
| ODI |
0 |
27 |
9 |
200 |
528 |
493 |
80 |
11 |
| CDI |
0 |
16 |
16 |
186 |
749 |
1785 |
852 |
41 |
| VCDI |
0 |
5 |
0 |
162 |
1230 |
8213 |
29042 |
54721 |
|
Date: 2023-04-26:
| 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 |
67309 |
16230 |
733 |
1492 |
481 |
127 |
11 |
0 |
| OW |
59 |
130 |
72 |
405 |
487 |
83 |
1 |
0 |
| VODI |
0 |
104 |
57 |
260 |
641 |
226 |
42 |
6 |
| ODI |
0 |
57 |
20 |
151 |
556 |
496 |
101 |
18 |
| CDI |
0 |
45 |
31 |
111 |
707 |
1709 |
985 |
61 |
| VCDI |
0 |
19 |
24 |
162 |
1297 |
7733 |
27166 |
56643 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67309 |
16168 |
733 |
1487 |
581 |
133 |
11 |
0 |
| OW |
59 |
146 |
71 |
376 |
451 |
80 |
3 |
0 |
| VODI |
0 |
110 |
49 |
260 |
571 |
210 |
37 |
4 |
| ODI |
0 |
60 |
28 |
166 |
532 |
423 |
84 |
9 |
| CDI |
0 |
68 |
26 |
121 |
721 |
1849 |
1067 |
39 |
| VCDI |
0 |
33 |
30 |
171 |
1313 |
7679 |
27104 |
56676 |
|
Date: 2023-04-28:
| 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 |
67390 |
16407 |
773 |
1400 |
404 |
123 |
10 |
0 |
| OW |
59 |
164 |
61 |
496 |
459 |
81 |
0 |
0 |
| VODI |
0 |
144 |
39 |
293 |
632 |
227 |
41 |
0 |
| ODI |
0 |
73 |
30 |
142 |
497 |
473 |
128 |
2 |
| CDI |
0 |
72 |
14 |
137 |
769 |
1561 |
843 |
23 |
| VCDI |
0 |
29 |
19 |
181 |
1493 |
7999 |
26012 |
57348 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67390 |
16368 |
732 |
1432 |
475 |
126 |
9 |
0 |
| OW |
59 |
202 |
87 |
396 |
438 |
67 |
7 |
0 |
| VODI |
0 |
128 |
53 |
303 |
608 |
191 |
28 |
0 |
| ODI |
0 |
52 |
27 |
182 |
443 |
377 |
84 |
0 |
| CDI |
0 |
95 |
16 |
169 |
805 |
1748 |
923 |
52 |
| VCDI |
0 |
44 |
21 |
167 |
1485 |
7955 |
25983 |
57321 |
|
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