Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-02:
| 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 |
7764 |
4351 |
12 |
1 |
0 |
0 |
0 |
0 |
| OW |
63 |
1622 |
184 |
55 |
4 |
0 |
0 |
0 |
| VODI |
3 |
424 |
470 |
1860 |
650 |
2 |
0 |
0 |
| ODI |
0 |
1 |
4 |
737 |
4201 |
906 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
1877 |
6744 |
88 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
52 |
2 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-04:
| 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 |
7598 |
4540 |
14 |
6 |
0 |
0 |
0 |
0 |
| OW |
25 |
1622 |
185 |
86 |
6 |
0 |
0 |
0 |
| VODI |
0 |
521 |
430 |
1842 |
891 |
38 |
0 |
0 |
| ODI |
0 |
0 |
1 |
683 |
3885 |
1169 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
2055 |
6440 |
40 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-06:
| 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 |
7994 |
4928 |
23 |
5 |
1 |
0 |
0 |
0 |
| OW |
0 |
1454 |
262 |
127 |
1 |
0 |
0 |
0 |
| VODI |
0 |
149 |
331 |
2080 |
650 |
8 |
0 |
0 |
| ODI |
0 |
0 |
2 |
520 |
4561 |
2588 |
5 |
0 |
| CDI |
0 |
0 |
0 |
4 |
681 |
5418 |
290 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-08:
| 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 |
8118 |
5045 |
8 |
3 |
1 |
0 |
0 |
0 |
| OW |
0 |
1370 |
264 |
139 |
7 |
0 |
0 |
0 |
| VODI |
0 |
188 |
342 |
2150 |
659 |
31 |
0 |
0 |
| ODI |
0 |
0 |
4 |
532 |
4662 |
2422 |
7 |
0 |
| CDI |
0 |
0 |
0 |
2 |
566 |
4529 |
1033 |
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 |
8118 |
5061 |
6 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1355 |
273 |
131 |
8 |
0 |
0 |
0 |
| VODI |
0 |
187 |
334 |
2206 |
682 |
39 |
0 |
0 |
| ODI |
0 |
0 |
5 |
485 |
4456 |
2710 |
12 |
0 |
| CDI |
0 |
0 |
0 |
4 |
749 |
4233 |
1028 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-10:
| 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 |
8964 |
4316 |
11 |
3 |
0 |
0 |
0 |
0 |
| OW |
27 |
1446 |
202 |
107 |
6 |
0 |
0 |
0 |
| VODI |
0 |
446 |
446 |
2058 |
613 |
21 |
0 |
0 |
| ODI |
0 |
1 |
5 |
489 |
5103 |
2379 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
536 |
4464 |
439 |
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 |
8922 |
4245 |
13 |
1 |
0 |
0 |
0 |
0 |
| OW |
69 |
1516 |
176 |
93 |
3 |
0 |
0 |
0 |
| VODI |
0 |
447 |
465 |
2077 |
789 |
29 |
0 |
0 |
| ODI |
0 |
1 |
10 |
482 |
4641 |
2884 |
5 |
0 |
| CDI |
0 |
0 |
0 |
4 |
825 |
3951 |
434 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-12:
| 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 |
9066 |
4727 |
11 |
5 |
1 |
0 |
0 |
0 |
| OW |
0 |
1443 |
349 |
180 |
1 |
0 |
0 |
0 |
| VODI |
0 |
190 |
332 |
2223 |
549 |
15 |
0 |
0 |
| ODI |
0 |
0 |
2 |
415 |
5569 |
979 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
683 |
5159 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
5 |
43 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9050 |
4030 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
16 |
1645 |
169 |
125 |
8 |
0 |
0 |
0 |
| VODI |
0 |
673 |
500 |
2139 |
1020 |
69 |
0 |
0 |
| ODI |
0 |
12 |
22 |
557 |
4140 |
2352 |
11 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1635 |
3737 |
167 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-14:
| 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 |
9641 |
4085 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1611 |
193 |
92 |
0 |
0 |
0 |
0 |
| VODI |
0 |
424 |
511 |
2450 |
397 |
12 |
0 |
0 |
| ODI |
0 |
24 |
15 |
700 |
5002 |
904 |
0 |
0 |
| CDI |
0 |
0 |
1 |
15 |
994 |
4862 |
146 |
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 |
9633 |
3262 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
8 |
1787 |
127 |
110 |
28 |
0 |
0 |
0 |
| VODI |
0 |
1034 |
542 |
2305 |
820 |
62 |
0 |
0 |
| ODI |
0 |
61 |
52 |
814 |
3848 |
2011 |
41 |
0 |
| CDI |
0 |
0 |
1 |
27 |
1697 |
3705 |
105 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-16:
| 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 |
9858 |
3811 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
1686 |
193 |
103 |
0 |
0 |
0 |
0 |
| VODI |
0 |
594 |
510 |
2392 |
389 |
8 |
0 |
0 |
| ODI |
0 |
52 |
27 |
760 |
4987 |
1117 |
1 |
0 |
| CDI |
0 |
3 |
8 |
21 |
1257 |
3956 |
347 |
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 |
9843 |
2991 |
2 |
2 |
0 |
0 |
0 |
0 |
| OW |
16 |
1840 |
126 |
119 |
39 |
0 |
0 |
0 |
| VODI |
0 |
1201 |
562 |
2373 |
758 |
63 |
0 |
0 |
| ODI |
0 |
112 |
45 |
737 |
3900 |
2139 |
27 |
0 |
| CDI |
0 |
2 |
4 |
45 |
1936 |
2879 |
321 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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