Validation of sea ice concentration - Asian sector
Bulletin date: 2025-07-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-25:
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 |
3654 |
5891 |
50 |
6 |
5 |
0 |
0 |
0 |
OW |
19 |
2995 |
480 |
439 |
53 |
1 |
0 |
0 |
VODI |
0 |
371 |
331 |
1398 |
880 |
4 |
0 |
0 |
ODI |
0 |
0 |
13 |
329 |
2804 |
608 |
0 |
0 |
CDI |
0 |
0 |
0 |
0 |
2548 |
9199 |
0 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-27:
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 |
4561 |
5633 |
30 |
12 |
0 |
0 |
0 |
0 |
OW |
197 |
2906 |
427 |
467 |
41 |
0 |
0 |
0 |
VODI |
0 |
513 |
317 |
1181 |
1023 |
18 |
0 |
0 |
ODI |
0 |
15 |
25 |
327 |
2426 |
779 |
0 |
0 |
CDI |
0 |
0 |
0 |
0 |
2756 |
8272 |
0 |
0 |
VCDI |
0 |
0 |
0 |
0 |
1 |
155 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-29:
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 |
5012 |
6923 |
59 |
26 |
1 |
0 |
0 |
0 |
OW |
2 |
2193 |
585 |
375 |
20 |
3 |
0 |
0 |
VODI |
0 |
30 |
186 |
1431 |
608 |
1 |
0 |
0 |
ODI |
0 |
0 |
1 |
153 |
3694 |
1340 |
0 |
0 |
CDI |
0 |
0 |
0 |
0 |
1413 |
7961 |
65 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-31:
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 |
5064 |
7105 |
77 |
20 |
0 |
0 |
0 |
0 |
OW |
0 |
2139 |
442 |
358 |
27 |
3 |
0 |
0 |
VODI |
0 |
135 |
241 |
1394 |
553 |
11 |
0 |
0 |
ODI |
0 |
3 |
4 |
238 |
3736 |
3258 |
0 |
0 |
CDI |
0 |
0 |
0 |
6 |
1458 |
5614 |
196 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
5063 |
7135 |
96 |
28 |
0 |
0 |
0 |
0 |
OW |
1 |
2111 |
424 |
409 |
28 |
3 |
0 |
0 |
VODI |
0 |
134 |
243 |
1317 |
590 |
19 |
0 |
0 |
ODI |
0 |
2 |
1 |
256 |
3563 |
3256 |
0 |
0 |
CDI |
0 |
0 |
0 |
6 |
1593 |
5608 |
196 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2025-08-02:
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 |
5850 |
6212 |
65 |
18 |
1 |
0 |
0 |
0 |
OW |
115 |
2132 |
403 |
284 |
25 |
0 |
0 |
0 |
VODI |
0 |
282 |
301 |
1425 |
553 |
33 |
0 |
0 |
ODI |
0 |
3 |
11 |
365 |
3131 |
5157 |
45 |
0 |
CDI |
0 |
0 |
0 |
31 |
1123 |
4344 |
173 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
5853 |
6282 |
85 |
20 |
1 |
0 |
0 |
0 |
OW |
112 |
2075 |
412 |
363 |
24 |
0 |
0 |
0 |
VODI |
0 |
271 |
277 |
1378 |
665 |
49 |
0 |
0 |
ODI |
0 |
1 |
6 |
331 |
2952 |
4680 |
79 |
0 |
CDI |
0 |
0 |
0 |
31 |
1191 |
4805 |
139 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2025-08-04:
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 |
6579 |
6671 |
35 |
11 |
3 |
0 |
0 |
0 |
OW |
24 |
1831 |
588 |
307 |
5 |
0 |
0 |
0 |
VODI |
0 |
13 |
95 |
1343 |
411 |
0 |
0 |
0 |
ODI |
0 |
0 |
0 |
197 |
3318 |
445 |
0 |
0 |
CDI |
0 |
0 |
0 |
5 |
1484 |
8212 |
36 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
188 |
281 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
6525 |
5657 |
30 |
11 |
1 |
0 |
0 |
0 |
OW |
78 |
2296 |
314 |
278 |
21 |
0 |
0 |
0 |
VODI |
0 |
540 |
352 |
1116 |
778 |
80 |
0 |
0 |
ODI |
0 |
22 |
22 |
400 |
3115 |
4840 |
213 |
0 |
CDI |
0 |
0 |
0 |
58 |
1306 |
3925 |
104 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2025-08-06:
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 |
6683 |
6656 |
44 |
12 |
2 |
1 |
0 |
0 |
OW |
16 |
1783 |
436 |
345 |
21 |
0 |
0 |
0 |
VODI |
0 |
114 |
198 |
1090 |
500 |
37 |
5 |
0 |
ODI |
0 |
0 |
6 |
281 |
2125 |
1383 |
518 |
0 |
CDI |
0 |
0 |
0 |
34 |
1741 |
7469 |
399 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
161 |
22 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
6640 |
5464 |
33 |
16 |
2 |
1 |
0 |
0 |
OW |
59 |
2423 |
276 |
287 |
58 |
0 |
0 |
0 |
VODI |
0 |
640 |
330 |
1012 |
787 |
168 |
0 |
0 |
ODI |
0 |
26 |
41 |
362 |
2686 |
5459 |
254 |
0 |
CDI |
0 |
0 |
4 |
85 |
856 |
3423 |
690 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2025-08-08:
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 |
6939 |
6521 |
28 |
8 |
3 |
0 |
0 |
0 |
OW |
2 |
1896 |
327 |
305 |
26 |
0 |
0 |
0 |
VODI |
0 |
270 |
273 |
1076 |
448 |
7 |
0 |
0 |
ODI |
0 |
9 |
16 |
364 |
2514 |
1248 |
2 |
0 |
CDI |
0 |
0 |
6 |
100 |
2128 |
6970 |
569 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
26 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
6880 |
5273 |
40 |
23 |
3 |
0 |
0 |
0 |
OW |
61 |
2484 |
236 |
324 |
74 |
0 |
0 |
0 |
VODI |
0 |
874 |
295 |
953 |
729 |
130 |
0 |
0 |
ODI |
0 |
65 |
68 |
418 |
2824 |
5039 |
415 |
0 |
CDI |
0 |
0 |
11 |
135 |
1489 |
3057 |
182 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5sector.sh Fri Aug 15 02:14:08 UTC 2025 on arcval2