Validation of sea ice concentration - Asian sector
Bulletin date: 2025-07-03
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-27:
| 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 |
1035 |
3418 |
43 |
65 |
13 |
0 |
0 |
0 |
| OW |
0 |
1387 |
309 |
289 |
19 |
3 |
0 |
0 |
| VODI |
0 |
148 |
214 |
1177 |
445 |
98 |
0 |
0 |
| ODI |
0 |
0 |
3 |
338 |
1259 |
623 |
7 |
0 |
| CDI |
0 |
0 |
0 |
75 |
1588 |
6207 |
1616 |
68 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1660 |
9443 |
1545 |
|
...date precedes bulletin
|
Date: 2025-06-29:
| 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 |
1060 |
3487 |
50 |
101 |
7 |
0 |
0 |
0 |
| OW |
0 |
1447 |
298 |
298 |
27 |
8 |
0 |
0 |
| VODI |
0 |
226 |
157 |
864 |
481 |
188 |
1 |
0 |
| ODI |
0 |
19 |
13 |
399 |
1370 |
653 |
17 |
0 |
| CDI |
0 |
3 |
1 |
100 |
1627 |
6729 |
1392 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
1917 |
8166 |
1962 |
|
...date precedes bulletin
|
Date: 2025-07-01:
| 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 |
1304 |
3973 |
60 |
46 |
4 |
0 |
0 |
0 |
| OW |
22 |
1102 |
363 |
637 |
66 |
0 |
0 |
0 |
| VODI |
0 |
26 |
21 |
859 |
532 |
46 |
0 |
0 |
| ODI |
0 |
2 |
1 |
97 |
2208 |
574 |
1 |
0 |
| CDI |
0 |
0 |
0 |
11 |
1455 |
6865 |
1660 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1626 |
7507 |
2023 |
|
...date precedes bulletin
|
Date: 2025-07-03:
| 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 |
1540 |
3644 |
81 |
117 |
32 |
0 |
0 |
0 |
| OW |
14 |
1134 |
365 |
426 |
104 |
24 |
0 |
0 |
| VODI |
0 |
67 |
83 |
933 |
561 |
65 |
2 |
0 |
| ODI |
0 |
0 |
5 |
276 |
2250 |
631 |
5 |
0 |
| CDI |
0 |
0 |
0 |
51 |
2912 |
6058 |
673 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
2797 |
7486 |
743 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1538 |
3806 |
109 |
115 |
48 |
3 |
0 |
0 |
| OW |
16 |
982 |
353 |
427 |
96 |
28 |
0 |
0 |
| VODI |
0 |
57 |
68 |
927 |
518 |
68 |
2 |
0 |
| ODI |
0 |
0 |
4 |
284 |
2189 |
547 |
5 |
0 |
| CDI |
0 |
0 |
0 |
50 |
3005 |
6175 |
726 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
2754 |
7433 |
743 |
|
Date: 2025-07-05:
| 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 |
1790 |
3623 |
63 |
73 |
26 |
1 |
0 |
0 |
| OW |
65 |
1179 |
288 |
322 |
110 |
33 |
0 |
0 |
| VODI |
3 |
90 |
115 |
1051 |
627 |
108 |
0 |
0 |
| ODI |
0 |
7 |
11 |
364 |
2543 |
355 |
0 |
0 |
| CDI |
0 |
0 |
5 |
81 |
2661 |
6148 |
703 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
2483 |
7110 |
1028 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1782 |
3802 |
83 |
93 |
41 |
13 |
0 |
0 |
| OW |
73 |
1026 |
283 |
319 |
96 |
40 |
0 |
0 |
| VODI |
3 |
68 |
103 |
1017 |
601 |
82 |
0 |
0 |
| ODI |
0 |
3 |
9 |
387 |
2373 |
310 |
0 |
0 |
| CDI |
0 |
0 |
4 |
75 |
2848 |
6145 |
829 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
2538 |
6984 |
1028 |
|
Date: 2025-07-07:
| 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 |
2049 |
4291 |
78 |
84 |
16 |
0 |
0 |
0 |
| OW |
43 |
725 |
386 |
719 |
43 |
7 |
0 |
0 |
| VODI |
0 |
15 |
14 |
1095 |
647 |
35 |
0 |
0 |
| ODI |
0 |
0 |
1 |
115 |
3097 |
232 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
2273 |
8054 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1905 |
6395 |
730 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1973 |
3832 |
72 |
80 |
46 |
28 |
0 |
0 |
| OW |
118 |
1031 |
216 |
258 |
60 |
59 |
0 |
0 |
| VODI |
1 |
143 |
159 |
969 |
591 |
100 |
0 |
0 |
| ODI |
0 |
19 |
25 |
561 |
2093 |
359 |
0 |
0 |
| CDI |
0 |
6 |
7 |
148 |
3252 |
6933 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
34 |
2754 |
6089 |
730 |
|
Date: 2025-07-09:
| 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 |
2427 |
4335 |
72 |
83 |
6 |
0 |
0 |
0 |
| OW |
61 |
820 |
322 |
497 |
61 |
1 |
0 |
0 |
| VODI |
3 |
67 |
82 |
1423 |
459 |
24 |
0 |
0 |
| ODI |
0 |
0 |
4 |
269 |
2277 |
271 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
3022 |
7213 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3347 |
5710 |
181 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2367 |
3802 |
61 |
80 |
31 |
0 |
0 |
0 |
| OW |
114 |
1016 |
167 |
241 |
97 |
55 |
0 |
0 |
| VODI |
10 |
330 |
190 |
1051 |
596 |
77 |
0 |
0 |
| ODI |
0 |
65 |
39 |
710 |
1428 |
490 |
0 |
0 |
| CDI |
0 |
9 |
23 |
225 |
2881 |
6780 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
4139 |
5817 |
95 |
0 |
|
Date: 2025-07-11:
| 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 |
2567 |
4392 |
52 |
54 |
10 |
0 |
0 |
0 |
| OW |
38 |
829 |
305 |
468 |
90 |
5 |
0 |
0 |
| VODI |
2 |
218 |
115 |
1392 |
708 |
8 |
0 |
0 |
| ODI |
0 |
21 |
24 |
516 |
1964 |
86 |
0 |
0 |
| CDI |
0 |
0 |
9 |
177 |
4804 |
6330 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
892 |
6487 |
523 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2546 |
3707 |
42 |
83 |
8 |
0 |
0 |
0 |
| OW |
59 |
1094 |
147 |
295 |
199 |
9 |
0 |
0 |
| VODI |
2 |
451 |
223 |
1162 |
754 |
29 |
0 |
0 |
| ODI |
0 |
139 |
51 |
657 |
1856 |
50 |
0 |
0 |
| CDI |
0 |
67 |
42 |
404 |
4517 |
5333 |
33 |
0 |
| VCDI |
0 |
2 |
0 |
6 |
1134 |
7495 |
500 |
0 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICmultiWebPage5sector.sh Fri Jul 18 02:48:05 UTC 2025 on arcval2