Validation of sea ice concentration - Asian sector
Bulletin date: 2025-08-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-01:
| 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 |
6680 |
6117 |
57 |
16 |
2 |
0 |
0 |
0 |
| OW |
139 |
1956 |
411 |
611 |
10 |
0 |
0 |
0 |
| VODI |
0 |
125 |
127 |
1760 |
538 |
0 |
0 |
0 |
| ODI |
0 |
2 |
1 |
163 |
3558 |
4617 |
70 |
0 |
| CDI |
0 |
0 |
0 |
0 |
912 |
4946 |
278 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-03:
| 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 |
6784 |
6020 |
30 |
33 |
1 |
0 |
0 |
0 |
| OW |
90 |
2153 |
361 |
524 |
9 |
0 |
0 |
0 |
| VODI |
0 |
211 |
228 |
1783 |
607 |
0 |
0 |
0 |
| ODI |
0 |
4 |
2 |
271 |
3583 |
5299 |
24 |
0 |
| CDI |
0 |
0 |
0 |
0 |
877 |
4153 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-05:
| 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 |
6670 |
7405 |
63 |
26 |
0 |
0 |
0 |
0 |
| OW |
21 |
1715 |
453 |
616 |
6 |
0 |
0 |
0 |
| VODI |
0 |
55 |
66 |
1386 |
470 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
93 |
3411 |
596 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1601 |
7978 |
71 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
230 |
164 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-07:
| 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 |
7358 |
6806 |
38 |
24 |
0 |
0 |
0 |
0 |
| OW |
48 |
1789 |
376 |
493 |
6 |
0 |
0 |
0 |
| VODI |
0 |
128 |
96 |
1370 |
465 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
153 |
2681 |
1300 |
108 |
0 |
| CDI |
0 |
0 |
0 |
1 |
2110 |
7596 |
50 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
85 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7371 |
7031 |
69 |
35 |
0 |
0 |
0 |
0 |
| OW |
35 |
1576 |
346 |
576 |
19 |
0 |
0 |
0 |
| VODI |
0 |
116 |
94 |
1262 |
512 |
28 |
0 |
0 |
| ODI |
0 |
0 |
1 |
165 |
2768 |
1167 |
103 |
0 |
| CDI |
0 |
0 |
0 |
3 |
1963 |
7531 |
55 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
270 |
0 |
0 |
|
Date: 2025-08-09:
| 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 |
7882 |
6323 |
16 |
4 |
0 |
0 |
0 |
0 |
| OW |
58 |
2000 |
322 |
371 |
0 |
0 |
0 |
0 |
| VODI |
0 |
221 |
183 |
1445 |
362 |
0 |
0 |
0 |
| ODI |
0 |
6 |
6 |
338 |
2944 |
1077 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
3463 |
5765 |
272 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
33 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7900 |
6560 |
47 |
14 |
0 |
0 |
0 |
0 |
| OW |
40 |
1775 |
317 |
513 |
4 |
0 |
0 |
0 |
| VODI |
0 |
208 |
156 |
1304 |
450 |
0 |
0 |
0 |
| ODI |
0 |
7 |
7 |
325 |
2635 |
1152 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
3680 |
5600 |
146 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
90 |
159 |
0 |
|
Date: 2025-08-11:
| 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 |
8995 |
5453 |
37 |
5 |
0 |
0 |
0 |
0 |
| OW |
392 |
1560 |
319 |
343 |
8 |
0 |
0 |
0 |
| VODI |
58 |
255 |
166 |
1338 |
379 |
8 |
0 |
0 |
| ODI |
0 |
15 |
10 |
387 |
2556 |
1012 |
0 |
0 |
| CDI |
0 |
0 |
0 |
51 |
3949 |
5459 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
238 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8934 |
5329 |
30 |
4 |
0 |
0 |
0 |
0 |
| OW |
463 |
1684 |
319 |
382 |
6 |
0 |
0 |
0 |
| VODI |
48 |
257 |
172 |
1294 |
422 |
7 |
0 |
0 |
| ODI |
0 |
13 |
11 |
402 |
2554 |
1219 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
3910 |
5210 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
281 |
0 |
0 |
|
Date: 2025-08-13:
| 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 |
9988 |
4921 |
34 |
7 |
0 |
0 |
0 |
0 |
| OW |
387 |
1405 |
416 |
437 |
0 |
0 |
0 |
0 |
| VODI |
4 |
53 |
88 |
1575 |
346 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
155 |
4520 |
657 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1951 |
6061 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
62 |
15 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9669 |
4370 |
24 |
4 |
0 |
0 |
0 |
0 |
| OW |
660 |
1737 |
294 |
356 |
3 |
0 |
0 |
0 |
| VODI |
50 |
266 |
207 |
1294 |
477 |
55 |
0 |
0 |
| ODI |
0 |
6 |
13 |
429 |
2653 |
1003 |
0 |
0 |
| CDI |
0 |
0 |
0 |
91 |
3684 |
5490 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
232 |
0 |
0 |
|
Date: 2025-08-15:
| 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 |
-14919 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
-2600 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
-2277 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
-5835 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
-7465 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICmultiWebPage5sector.sh Fri Aug 15 02:30:30 UTC 2025 on arcval2