Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-23
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-17:
| 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 |
71521 |
13519 |
88 |
69 |
8 |
0 |
0 |
0 |
| OW |
6 |
2927 |
521 |
555 |
114 |
1 |
0 |
0 |
| VODI |
0 |
752 |
502 |
2532 |
642 |
76 |
13 |
0 |
| ODI |
0 |
82 |
88 |
1267 |
1818 |
344 |
40 |
0 |
| CDI |
0 |
80 |
75 |
997 |
3343 |
5240 |
1193 |
66 |
| VCDI |
0 |
0 |
0 |
99 |
1530 |
6137 |
31385 |
47113 |
|
...date precedes bulletin
|
Date: 2024-05-19:
| 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 |
71647 |
13572 |
103 |
108 |
5 |
0 |
0 |
0 |
| OW |
64 |
2973 |
427 |
606 |
117 |
3 |
0 |
0 |
| VODI |
2 |
1035 |
581 |
2312 |
580 |
95 |
7 |
0 |
| ODI |
1 |
148 |
131 |
1145 |
1718 |
379 |
48 |
0 |
| CDI |
4 |
181 |
85 |
1183 |
3982 |
5662 |
1286 |
61 |
| VCDI |
0 |
94 |
25 |
427 |
2181 |
5648 |
31823 |
44294 |
|
...date precedes bulletin
|
Date: 2024-05-21:
| 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 |
72279 |
14636 |
107 |
65 |
5 |
0 |
0 |
0 |
| OW |
20 |
3414 |
903 |
844 |
44 |
3 |
0 |
0 |
| VODI |
3 |
148 |
358 |
3079 |
604 |
48 |
2 |
0 |
| ODI |
2 |
28 |
29 |
795 |
2611 |
285 |
20 |
5 |
| CDI |
0 |
46 |
25 |
698 |
3714 |
7276 |
692 |
41 |
| VCDI |
0 |
2 |
12 |
150 |
1124 |
5694 |
34003 |
40929 |
|
...date precedes bulletin
|
Date: 2024-05-23:
| 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 |
72977 |
14441 |
128 |
144 |
5 |
0 |
0 |
0 |
| OW |
320 |
3129 |
767 |
875 |
63 |
8 |
0 |
0 |
| VODI |
14 |
411 |
346 |
2570 |
601 |
90 |
9 |
0 |
| ODI |
2 |
54 |
31 |
1151 |
2056 |
304 |
38 |
3 |
| CDI |
0 |
88 |
37 |
899 |
3883 |
6987 |
1550 |
40 |
| VCDI |
0 |
58 |
28 |
274 |
1497 |
6491 |
32961 |
39413 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72946 |
14473 |
161 |
179 |
6 |
0 |
0 |
0 |
| OW |
334 |
2939 |
643 |
777 |
56 |
8 |
0 |
0 |
| VODI |
30 |
533 |
424 |
2382 |
554 |
89 |
8 |
0 |
| ODI |
2 |
62 |
38 |
1225 |
1934 |
311 |
46 |
4 |
| CDI |
1 |
95 |
42 |
1117 |
4058 |
6999 |
1491 |
38 |
| VCDI |
0 |
79 |
29 |
233 |
1497 |
6473 |
33013 |
39414 |
|
Date: 2024-05-25:
| 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 |
73150 |
14663 |
137 |
165 |
25 |
0 |
0 |
0 |
| OW |
385 |
3134 |
543 |
938 |
96 |
7 |
0 |
0 |
| VODI |
2 |
412 |
301 |
2339 |
725 |
56 |
0 |
3 |
| ODI |
1 |
106 |
70 |
1256 |
2010 |
367 |
43 |
8 |
| CDI |
0 |
117 |
56 |
967 |
3911 |
8176 |
1468 |
82 |
| VCDI |
0 |
49 |
35 |
251 |
1490 |
6792 |
30991 |
39416 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73067 |
14710 |
172 |
212 |
25 |
0 |
0 |
0 |
| OW |
409 |
2846 |
469 |
824 |
110 |
10 |
0 |
0 |
| VODI |
60 |
598 |
330 |
2180 |
689 |
50 |
2 |
3 |
| ODI |
2 |
120 |
70 |
1336 |
1806 |
309 |
49 |
7 |
| CDI |
0 |
128 |
60 |
1114 |
4146 |
8013 |
1527 |
115 |
| VCDI |
0 |
79 |
41 |
250 |
1481 |
7016 |
30924 |
39384 |
|
Date: 2024-05-27:
| 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 |
73656 |
16086 |
121 |
124 |
18 |
0 |
0 |
0 |
| OW |
181 |
2510 |
902 |
759 |
87 |
2 |
0 |
0 |
| VODI |
0 |
187 |
181 |
3538 |
847 |
36 |
4 |
0 |
| ODI |
0 |
64 |
37 |
1006 |
3206 |
270 |
29 |
0 |
| CDI |
0 |
36 |
46 |
539 |
3758 |
9358 |
808 |
11 |
| VCDI |
0 |
0 |
0 |
23 |
933 |
6207 |
38736 |
30437 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73375 |
14488 |
125 |
158 |
28 |
0 |
0 |
0 |
| OW |
421 |
3155 |
452 |
590 |
94 |
7 |
1 |
0 |
| VODI |
40 |
744 |
420 |
2108 |
675 |
67 |
20 |
0 |
| ODI |
1 |
257 |
116 |
1468 |
1894 |
268 |
70 |
0 |
| CDI |
0 |
156 |
125 |
1386 |
4419 |
7493 |
2720 |
347 |
| VCDI |
0 |
83 |
49 |
279 |
1739 |
8038 |
36766 |
30101 |
|
Date: 2024-05-29:
| 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 |
74519 |
15557 |
162 |
182 |
5 |
0 |
0 |
0 |
| OW |
96 |
2606 |
650 |
874 |
152 |
5 |
1 |
0 |
| VODI |
0 |
397 |
431 |
3167 |
867 |
65 |
12 |
0 |
| ODI |
0 |
102 |
39 |
1094 |
3022 |
349 |
37 |
1 |
| CDI |
0 |
87 |
75 |
683 |
4431 |
8383 |
1387 |
40 |
| VCDI |
0 |
0 |
0 |
147 |
1456 |
8631 |
37397 |
27634 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74005 |
14183 |
185 |
199 |
4 |
0 |
0 |
0 |
| OW |
608 |
2847 |
344 |
749 |
114 |
7 |
1 |
0 |
| VODI |
1 |
950 |
451 |
1965 |
716 |
88 |
13 |
0 |
| ODI |
1 |
364 |
162 |
1355 |
2024 |
316 |
73 |
3 |
| CDI |
0 |
278 |
144 |
1411 |
4936 |
7778 |
2857 |
473 |
| VCDI |
0 |
127 |
71 |
468 |
2139 |
9244 |
35890 |
27199 |
|
Date: 2024-05-31:
| 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 |
75403 |
14633 |
149 |
183 |
3 |
4 |
0 |
0 |
| OW |
3 |
2846 |
594 |
874 |
133 |
11 |
0 |
0 |
| VODI |
0 |
637 |
462 |
3051 |
868 |
100 |
11 |
0 |
| ODI |
0 |
168 |
98 |
1381 |
2933 |
525 |
47 |
0 |
| CDI |
0 |
192 |
95 |
937 |
4952 |
8150 |
1370 |
0 |
| VCDI |
0 |
0 |
13 |
278 |
1798 |
8912 |
33650 |
29279 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74994 |
13683 |
216 |
321 |
11 |
4 |
0 |
0 |
| OW |
410 |
2552 |
338 |
798 |
128 |
20 |
0 |
0 |
| VODI |
2 |
1138 |
328 |
1958 |
670 |
124 |
9 |
0 |
| ODI |
0 |
553 |
182 |
1434 |
1937 |
389 |
114 |
0 |
| CDI |
0 |
392 |
267 |
1674 |
5370 |
6992 |
3492 |
1746 |
| VCDI |
0 |
158 |
80 |
519 |
2571 |
10173 |
31463 |
27533 |
|
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